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User Manual

AFG310 and AFG320 Arbitrary Function Generator 071-0175-07

Copyright © Tektronix, Inc. All rights reserved. Copyright © Sony/Tektronix Corporation. All rights reserved. Printed in Japan. Sony/Tektronix Corporation, 5­9­31 Kitashinagawa, Shinagawa­ku, Tokyo 141­0001 Japan Tektronix, Inc., P.O. Box 500, Beaverton, OR 97077 TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.

WARRANTY
Tektronix warrants that the products that it manufactures and sells will be free from defects in materials and workmanship for a period of three (3) years from the date of shipment. If a product proves defective during this warranty period, Tektronix, at its option, either will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the defective product. In order to obtain service under this warranty, Customer must notify Tektronix of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service. Customer shall be responsible for packaging and shipping the defective product to the service center designated by Tektronix, with shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located. Customer shall be responsible for paying all shipping charges, duties, taxes, and any other charges for products returned to any other locations. This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate maintenance and care. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage resulting from attempts by personnel other than Tektronix representatives to install, repair or service the product; b) to repair damage resulting from improper use or connection to incompatible equipment; c) to repair any damage or malfunction caused by the use of non-Tektronix supplies; or d) to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product. THIS WARRANTY IS GIVEN BY TEKTRONIX IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. TEKTRONIX' RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY. TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.

Table of Contents
General Safety Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix xi

Getting Started
Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Initial Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power Cord Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Repackaging for Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1­1 1­2 1­2 1­3 1­4 1­4 1­12

Operating Basics
Operating Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Controls and Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Basic Menu Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tutorials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2­1
2­2 2­6 2­27

Reference
Menu Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Menu Button Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3­1 3­8

Syntax and Commands
Remote Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Command Syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Command Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Command Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Programming Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4­1 4­5 4­16 4­28 4­76

Status and Events
Error and Event Status Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Event Codes and Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5­1 5­3 5­10

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Appendices
Appendix A: Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Appendix B: Self Test and Calibration Procedure . . . . . . . . . . . . . . . . Appendix C: Inspection and Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . Appendix D: Floating Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . Appendix E: Miscellaneous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A­1 B­1 C­1 D­1 E­1

Index

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List of Figures
Figure 1­1: Rack Mount Kit (EIA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 1­2: Cooling for rackmaunted instrument(s) . . . . . . . . . . . . . . Figure 1­3: Bench Top Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 1­4: Rear Panel Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 1­5: POWER Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 1­6: The LCD Display at Power On . . . . . . . . . . . . . . . . . . . . . Figure 1­7: The LCD Display When Error is Found . . . . . . . . . . . . . Figure 2­1: Front Panel Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 2­2: Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 2­3: Default Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 2­4: Menu Item Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 2­5: Item Buttons and Main Menu Buttons . . . . . . . . . . . . . . . Figure 2­6: Display Example for a Main Menu Selected . . . . . . . . . . Figure 2­7: Display Example for a Numeric Item Selected . . . . . . . . Figure 2­8: Buttons and Keys for Inputting Numeric Value . . . . . . . Figure 2­9: Example for Inputting Numeric Value . . . . . . . . . . . . . . . Figure 2­10: Buttons for Changing Numeric Value . . . . . . . . . . . . . . . Figure 2­11: CH Button and Channel Indicators . . . . . . . . . . . . . . . . Figure 2­12: Sin(X)/X Pulse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 2­13: Double Exponential Pulse . . . . . . . . . . . . . . . . . . . . . . . . Figure 2­14: Damped Sine Wave . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 2­15: Pseudo-random Signals Generated with Shift Register Figure 2­16: NRZ Random Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 2­17: Hookup for Observing Output Waveforms . . . . . . . . . . Figure 2­18: OUTPUT Switches and Indicators on the Front Panel . Figure 2­19: MANUAL Button on the Front Panel . . . . . . . . . . . . . . . Figure 2­20: Setup for Sweep Parameters . . . . . . . . . . . . . . . . . . . . . . Figure 2­21: Hookup for Observing Output Waveforms . . . . . . . . . . Figure 2­22: User Waveform to be Created . . . . . . . . . . . . . . . . . . . . . Figure 2­23: Hookup for Observing Output Waveforms . . . . . . . . . . Figure 2­24: Fixed points (one period signal) User Waveform when Output Frequncy = Display Frequency = 32 kHz. . . . . . . . . . . . . . Figure 2­25: Fixed points (one period signal) User Waveform when Output Frequncy = Display Frequency = 16 kHz. . . . . . . . . . . . . . 1­4 1­5 1­5 1­6 1­10 1­10 1­11 2­2 2­4 2­7 2­8 2­8 2­9 2­10 2­11 2­11 2­12 2­14 2­20 2­21 2­21 2­22 2­22 2­28 2­32 2­33 2­33 2­34 2­38 2­38 2­45 2­45

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Figure 2­26: Fixed points (one period signal) User Waveform when Output Frequncy = Display Frequency = 8 kHz. . . . . . . . . . . . . . . Figure 2­27: Variable points (one period signal) User Waveform when Output Frequncy = Display Frequency = 16 kHz , 256 kHz Internal clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 2­28: Variable points (one period signal) User Waveform when Output Frequncy = Display Frequency = 16 kHz , 512 kHz Internal clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 2­29: Fixed point (one period signal) User Waveform when Output Frequncy = Display Frequency = 32 kHz. . . . . . . . . . . . . . Figure 2­30: Fixed point User Waveform when (two period signal) Display Frequency = 32 kHz, (one period signal) Output Frequncy = 64 kHz. . . . . . . . . . . . . . . Figure 2­31: Hookup for Importing Waveform . . . . . . . . . . . . . . . . . . Figure 3­1: Setting Menu Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 3­2: Parameter Menu Structure . . . . . . . . . . . . . . . . . . . . . . . . Figure 3­3: Edit Menu Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 3­4: Recall and Save Menu Structure . . . . . . . . . . . . . . . . . . . . Figure 3­5: System Menu Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 3­6: Location of the SHIFT Button and Indicator . . . . . . . . . Figure 3­7: Channel Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 3­8: Pulse Duty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 3­9: Timing Chart in the Triggered Mode . . . . . . . . . . . . . . . . Figure 3­10: Timing Chart in the Burst Mode . . . . . . . . . . . . . . . . . . . Figure 3­11: Timing Chart of Dual Channel Instrument . . . . . . . . . . Figure 3­12: Relationship between External Modulating Wave and AM Modulated Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 3­13: Frequency Sweep in Case of "START < STOP" . . . . . . Figure 3­14: Spacing Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 3­15: FSK Modulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 3­16: Add or Delete Data by Changing Number of Points . . . Figure 3­17: Append a Waveform at the End of the Edit Waveform Figure 3­18: Append a Waveform to the Front of the Edit Waveform Figure 3­19: LCD Display When LINE Item is Selected and Confirmed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 3­20: Example of LINE Editing on the Three Points . . . . . . . Figure 3­21: LCD Display When CUT Item is Selected and Confirmed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 3­22: Example of Cutting Data Between Specified Points . . . Figure 3­23: Error Display When Errors Were Detected . . . . . . . . . .

2­45

2­46

2­46 2­47

2­47 2­48 3­2 3­4 3­5 3­6 3­7 3­8 3­8 3­14 3­14 3­15 3­16 3­18 3­19 3­20 3­22 3­23 3­24 3­25 3­26 3­26 3­27 3­28 3­36

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Figure 3­24: Error Display When Errors Were Detected . . . . . . . . . . Figure 4­1: IEEE STD 488 Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 4­2: GPIB System Configurations . . . . . . . . . . . . . . . . . . . . . . . Figure 4­3: LCD Display When GPIB ADDRESS Item is Displayed Figure 4­4: LCD Display When GPIB CONFIG Item is Displayed . Figure 4­5: Program Messages and Response Messages . . . . . . . . . . . Figure 4­6: GPIB: Retrieving Response Messages . . . . . . . . . . . . . . . Figure 5­1: Error and Event Handling Process Overview . . . . . . . . . Figure B­1: Initial Test Hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure B­2: Initial Test Hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure B­3: Initial Test Hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure B­4: Initial Test Hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure B­5: 1 cycle, ±180° phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure B­6: 1 cycle, 0° phase (±360°) . . . . . . . . . . . . . . . . . . . . . . . . . . Figure B­7: 1 cycle, +270° phase (­90°) . . . . . . . . . . . . . . . . . . . . . . . . Figure B­8: 1 cycle, +90° phase (­270°) . . . . . . . . . . . . . . . . . . . . . . . . Figure B­9: 3 cycle, 0° phase (±360) . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure B­10: 3 cycle, +90° phase (­270) . . . . . . . . . . . . . . . . . . . . . . . . Figure B­11: 3 cycle, +180° phase (­180) . . . . . . . . . . . . . . . . . . . . . . . Figure B­12: 3 cycle, +270° phase (­90) . . . . . . . . . . . . . . . . . . . . . . . . Figure B­13: Initial Test Hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3­37 4­2 4­2 4­3 4­4 4­6 4­14 5­2 B­6 B­9 B­11 B­19 B­22 B­22 B­23 B­23 B­24 B­24 B­25 B­25 B­27

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List of Tables
Table 1­1: Power Cord Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 1­2: Fuse And Fuse Cap Part Numbers . . . . . . . . . . . . . . . . . . . Table 1­3: Instrument Voltage Settings . . . . . . . . . . . . . . . . . . . . . . . . Table 1­4: AC Line Power Requirements . . . . . . . . . . . . . . . . . . . . . . Table 1­5: Voltage Ranges and Switch Settings . . . . . . . . . . . . . . . . . . Table 1­6: Power Cord Identification . . . . . . . . . . . . . . . . . . . . . . . . . Table 2­1: Numeric Value Input Example 1 . . . . . . . . . . . . . . . . . . . . . Table 2­2: Numeric Value Input Example 2 . . . . . . . . . . . . . . . . . . . . . Table 2­3: Case 1: Fixed points (one period signal) . . . . . . . . . . . . . . . Table 2­4: Case 2: Variable points (one period signal) . . . . . . . . . . . . Table 2­5: Case 3: Fixed points (including M period signal) . . . . . . . Table 3­1: Frequency Setting Range . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 3­2: Phase Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 3­3: Setting Range for the Frequency Deviation . . . . . . . . . . . . Table 3­4: Combination of Key Click and Beep . . . . . . . . . . . . . . . . . . Table 4­1: BNF Symbols and Meanings . . . . . . . . . . . . . . . . . . . . . . . . Table 4­2: Decimal Numeric Notation . . . . . . . . . . . . . . . . . . . . . . . . . Table 4­3: Query Responses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 4­4: CALibration Subsystem Commands . . . . . . . . . . . . . . . . . Table 4­5: FORMat Subsystem Commands . . . . . . . . . . . . . . . . . . . . Table 4­6: INSTrument Subsystem Commands . . . . . . . . . . . . . . . . . Table 4­7: MODE Subsystem Commands . . . . . . . . . . . . . . . . . . . . . . Table 4­8: OUTPut Subsystem Commands . . . . . . . . . . . . . . . . . . . . . Table 4­9: SOURce Subsystem Commands . . . . . . . . . . . . . . . . . . . . . Table 4­10: STATus Subsystem Commands . . . . . . . . . . . . . . . . . . . . Table 4­11: SYSTem Subsystem Commands . . . . . . . . . . . . . . . . . . . . Table 4­12: TRACe|DATA Subsystem Commands . . . . . . . . . . . . . . . Table 4­13: IEEE-488.2 Common Commands . . . . . . . . . . . . . . . . . . Table 5­1: SBR Bit Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 5­2: SESR Bit Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 5­3: OCR Bit Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 5­4: QCR Bit Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1­2 1­6 1­7 1­8 1­8 1­9 2­13 2­14 2­44 2­46 2­47 3­10 3­12 3­21 3­33 4­5 4­9 4­13 4­16 4­17 4­18 4­18 4­19 4­21 4­23 4­25 4­26 4­27 5­4 5­5 5­6 5­7

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Table 5­5: Definition of Event Codes . . . . . . . . . . . . . . . . . . . . . . . . . . Table 5­6: Normal Condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table 5­7: Command Errors (CME Bit:5) . . . . . . . . . . . . . . . . . . . . . Table 5­8: Execution Errors (EXE Bit:4) . . . . . . . . . . . . . . . . . . . . . . Table 5­9: Internal Device Errors (DDE Bit:3) . . . . . . . . . . . . . . . . . . Table 5­10: Query Errors (QYE Bit:2) . . . . . . . . . . . . . . . . . . . . . . . . Table 5­11: Device Dependent Device Errors (DDE Bit:3) . . . . . . . . Table 5­12: Device Dependent Device Errors (DDE Bit:3) . . . . . . . . Table 5­13: Device Dependent Device Errors (DDE Bit:3) . . . . . . . . Table A­1: Operating Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table A­2: Burst Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table A­3: Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table A­4: Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table A­5: Amplitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table A­6: Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table A­7: Phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table A­8: Main Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table A­9: Modulation and Sweep . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table A­10: Auxiliary Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table A­11: Auxiliary Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table A­12: Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table A­13: Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table A­14: AC Line Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table A­15: Mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table A­16: Environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table A­17: Installation Requirements . . . . . . . . . . . . . . . . . . . . . . . . Table A­18: Certifications and compliances . . . . . . . . . . . . . . . . . . . . Table B­1: Self Test Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table B­2: Calibration Test Requirements . . . . . . . . . . . . . . . . . . . . . Table B­3: Test Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table B­4: Output Waveform Test Requirements . . . . . . . . . . . . . . . Table B­5: Oscilloscope settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table B­6: AFG320 Output Waveform . . . . . . . . . . . . . . . . . . . . . . . . Table B­7: Frequency Accuracy Test Requirements . . . . . . . . . . . . . Table B­8: Amplitude Accuracy Test Requirements . . . . . . . . . . . . . Table B­9: DC Voltage Accuracy Test Requirements . . . . . . . . . . . . . Table B­10: Operating Mode and Phase Test Requirements . . . . . . .

5­10 5­11 5­11 5­12 5­14 5­14 5­14 5­15 5­15 A­1 A­1 A­2 A­2 A­2 A­3 A­3 A­4 A­5 A­5 A­6 A­6 A­6 A­7 A­7 A­8 A­8 A­9 B­2 B­3 B­5 B­6 B­7 B­8 B­9 B­11 B­16 B­19

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Table B­11: Oscilloscope settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table B­12: Signal generator settings . . . . . . . . . . . . . . . . . . . . . . . . . Table B­13: Modulation Function Test Requirements . . . . . . . . . . . . Table B­14: Oscilloscope settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table C­1: External Inspection Check List . . . . . . . . . . . . . . . . . . . . . Table E­1: Initial Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table E­2: Secure Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Table E­3: Initial Value for the Command Argument . . . . . . . . . . . . Table E­4: The Arbitrary Function Generator Character Set . . . . . . Table E­5: ASCII and GPIB Code Chart . . . . . . . . . . . . . . . . . . . . . . . Table E­6: GPIB Interface Function Implementation . . . . . . . . . . . . Table E­7: GPIB Interface Messages . . . . . . . . . . . . . . . . . . . . . . . . . .

B­19 B­21 B­26 B­27 C­1 E­3 E­4 E­5 E­6 E­7 E­10 E­12

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General Safety Summary
Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. To avoid potential hazards, use this product only as specified. Only qualified personnel should perform service procedures. While using this product, you may need to access other parts of the system. Read the General Safety Summary in other system manuals for warnings and cautions related to operating the system.

To Avoid Fire or Personal Injury

Use Proper Power Cord. Use only the power cord specified for this product and certified for the country of use. Use Proper Voltage Setting. Before applying power, ensure that the line selector is in the proper position for the power source being used. Connect and Disconnect Properly. Do not connect or disconnect probes or test leads while they are connected to a voltage source. Ground the Product. This product is grounded through the grounding conductor of the power cord. To avoid electric shock, the grounding conductor must be connected to earth ground. Before making connections to the input or output terminals of the product, ensure that the product is properly grounded. Observe All Terminal Ratings. To avoid fire or shock hazard, observe all ratings and markings on the product. Consult the product manual for further ratings information before making connections to the product. Do not apply a potential to any terminal, including the common terminal, that exceeds the maximum rating of that terminal. Do Not Operate Without Covers. Do not operate this product with covers or panels removed. Use Proper Fuse. Use only the fuse type and rating specified for this product. Avoid Exposed Circuitry. Do not touch exposed connections and components when power is present. Do Not Operate With Suspected Failures. If you suspect there is damage to this product, have it inspected by qualified service personnel. Do Not Operate in Wet/Damp Conditions. Do Not Operate in an Explosive Atmosphere. Keep Product Surfaces Clean and Dry.

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Provide Proper Ventilation. Refer to the manual's installation instructions for details on installing the product so it has proper ventilation.

Symbols and Terms

Terms in this Manual. These terms may appear in this manual: WARNING. Warning statements identify conditions or practices that could result in injury or loss of life.

CAUTION. Caution statements identify conditions or practices that could result in damage to this product or other property.

Terms on the Product. These terms may appear on the product: DANGER indicates an injury hazard immediately accessible as you read the marking. WARNING indicates an injury hazard not immediately accessible as you read the marking. CAUTION indicates a hazard to property including the product. Symbols on the Product. The following symbols may appear on the product:

CAUTION Refer to Manual

WARNING High Voltage

Protective Ground (Earth) Terminal

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Preface
This is the user manual for the AFG310 and AFG320 Arbitrary Function Generators. The Getting Started section briefly describes the Arbitrary Function Generators, provides installation instructions, options listing, accessories listing, and power on instructions. The Operating Basics section covers the basic operation principles of the generator. The operating procedures and examples help you understand how your generator operates. The Reference section provides detailed information about the specific functions for each menu. The Syntax and Commands section defines the command syntax and processing conventions, describes command notation, and explains how to connect and set up for a remote operation. The Status and Events section explains the status information and event messages reported by the Arbitrary Function Generators. The Appendices provide specifications, functional check procedures, and other useful information.

Conventions
In this manual you will find various procedures which contain steps of instructions for you to perform. Appendix B: Self Test and Calibration Procedure section uses the following conventions: H H H Names appear in the same case (all uppercase) and the same abbreviation as is used on the Arbitrary Function Generator front panel, buttons, and menus. Instruction steps are numbered. The number is omitted if there is only one step. Some instruction steps have substeps listed in alphabetical order. When steps require that you make a sequence of selections using front panel buttons, an arrow ( Þ ) marks each transition between front panel buttons: CH Þ FUNC Þ > to display TRIA Using the convention just described results in instructions that are graphically intuitive and simplifies procedures. For example, the instruction just given replaces these three steps:

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1. Press the front panel button CH. 2. Press the front panel button FUNC. 3. Repeatedly press the front panel button > until TRIA is displayed on the LCD (liquid crystal display). This manual also shows instrument setups using tables. For example, Operating Basics section uses tables to show specific setups. The header of each table contains names of button groups that represent the controls, menus, and items used to set up the instrument. To make a specific setup, read the table from left to right and then from top to bottom as shown below. The table contains the symbol " " if no action is required.
Control Button Or Numeric Input Key Main Button
1. Press Menu or Item Button on the front panel.

First Level in the Menu Layers
2. Press < or > button several times to display desired item. 3. Press ENTER button to confirm your selection.

Second Level in the Menu Layers
4. For the selection, press or button several times to display desired selec tion. 5. For the numeral, press numeric keys to input value. 6. Press ENTER or Unit button to confirm your selection or numeric input.

7

8. 10.

9. 11. 12. Press EXIT button to move to upper level in the menu layer.

13. Press EXIT button to move to default display.

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Main Buttons

Numeric Input Keys

Control Buttons

Default Model
This manual documents the Arbitrary Function Generators. However, the AFG320 display (LCD and channel indicators) appears as the default display wherever a display is illustrated in this manual.

Contacting Tektronix
Product Support For application-oriented questions about a Tektronix measurement product, call toll free in North America: 1-800-TEK-WIDE (1-800-835-9433 ext. 2400) 6:00 a.m. ­ 5:00 p.m. Pacific time Or contact us by e-mail: [email protected] For product support outside of North America, contact your local Tektronix distributor or sales office. Service Support Contact your local Tektronix distributor or sales office. Or visit our web site for a listing of worldwide service locations. http://www.tek.com For other information To write us In North America: 1-800-TEK-WIDE (1-800-835-9433) An operator will direct your call. Tektronix, Inc. P.O. Box 500 Beaverton, OR 97077

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Getting Started

Getting Started
This section provides the following information: H H H H H H Description and features of the Arbitrary Function Generators Initial inspection Power cord options Standard and optional accessories Installation procedures Repackaging information

Product Description
The Arbitrary Function Generators are portable waveform generators equipped with both arbitrary waveform editing functions and standard waveform generator functions. The AFG310 Arbitrary Function Generator is a single-channel output model, and the AFG320 Arbitrary Function Generator is two-channel output model.

Main Features

H H H H H H H

Seven types of standard function waveforms: Sine, Square, Triangle, Ramp, Pulse, DC, and Noise Maximum output frequency is 16 MHz 50 W impedance floating output Three operating modes: Continuous, Triggered, and Burst Four types of modulation functions: Sweep function, FM modulation, FSK modulation, and AM modulation Creating and editing waveforms by edit functions and equipped with four user waveform memories 20 setup memories Saving and recalling setup in the memory; step recall mode is selectable for recalling Standard GPIB interface is: You can control the instrument through this interface and import waveforms from other instruments

H

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Initial Inspection
Inspect the Arbitrary Function Generators carton for external damage. If the carton is damaged, notify the carrier. Remove the Arbitrary Function Generator from its package and check that it has not been damaged in transit. Verify that the carton contains the basic instrument and its standard accessories. Refer to Accessories on page 1­3. This instrument was thoroughly inspected for mechanical and electrical defects before shipment. It should be free of scratches and meet or exceed all electrical specifications. To confirm this, inspect the instrument for physical damage incurred in transit and test the electrical performance by following the procedures in Appendix B: Self Test and Calibration. Contact your distributor if a discrepancy is found. NOTE. Save the shipping carton and packaging materials for repackaging in case shipment becomes necessary.

Power Cord Options
The following power cords are available with this instrument. Table 1-1: Power Cord Options
Option A1 A2 A3 A4 A5 Description Europe, 220 V/6A United Kingdom, 240 V/6A Australia, 240 V/6A North America, 240 V/6A Switzerland, 220 V/6A Tektronix Part Number 161 0104 06 161 0104 07 161 0104 05 161 0104 08 161 0167 00

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Accessories
Standard Accessories
The Arbitrary Function Generators include the following standard accessories:
Description AFG310 and AFG320 Arbitrary Function Generator User Manual Power Cord 125 V/6A Part Number 071 0175 XX 161 0230 01

Optional Accessories

The following optional accessories are recommended for use with the instrument.
Description AFG310 and AFG320 Arbitrary Function Generator Service Manual Wavewriter (Waveform Capture and Editing Software) GPIB Cable 50 W BNC Cable 50 W BNC Cable (double shielded) Rack Mount Kit (EIA) Part Number 071 0176 XX S3FT400 012 0991 00 012 1342 00 012 1256 00 016 1674 00

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463.6 mm (18.2658 Inches)

44.5 mm (1.7533 Inches)

Figure 1-1: Rack Mount Kit (EIA)

Installation
Before you begin, refer to the General Safety Summary at the front of this manual for power source, grounding, and other safety information.

Environment

Verify that you have the correct operating environment. The instrument operates correctly in ambient temperatures from 0_ C to +40_ C and relative humidity from 0% to 95% and also in ambient temperatures from 40_ C to +50_ C and relative humidity from 0% to 75%. CAUTION. Damage to the instrument can occur if this instrument is powered on at temperatures outside the usage temperature range. For more information on the operating environment, refer to Appendix A:Specifications.

Cooling
The cooling air goes inside from the air intakes at top and goes outside from the rear. Leave space for cooling. Verify that the air intake holes on the top of the cabinet

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Getting Started

and exhaust holes on the rear of the instrument are not obstructed. Allow at least 5 cm (2 inches) of clearance on top and rear. Leave at least 5 cm(2 inches) free on top when you install the another rackmounted instrument above the instrument. See Figure 1­2.

At least the space of 2 inches(5 cm) is necessary.

Figure 1-2: Cooling for rackmaunted instrument(s)

Installation Set Up

This instrument must be placed in a horizontal position or with the front stand pulled forward until it locks in place. See Figure 1­3.

Stand

Figure 1-3: Bench Top Installation Install the instrument on a flat, sturdy desk or table. CAUTION. Do not use the instrument standing vertically balanced on its rear panel. This position is unstable and the instrument will be damaged if it falls over.

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If you are installing this instrument in a dedicated rack, refer to the instruction sheet that comes with the rack mounting kit.

Check Fuse

Check the fuse to be sure it is the proper type and rating. WARNING. To avoid electrical shock, be sure that the power cord is disconnected before checking the fuse. To remove the fuse, push in and turn the fuse holder cap counterclockwise with a screwdriver. See Figure 1­4 for the fuse location. The instrument order specified either a UL approved or an IEC approved fuse. Each fuse requires its own cap. See Table 1­2. Table 1-2: Fuse And Fuse Cap Part Numbers
Fuse 0.25 inch × 1.25 inch (UL 198.6, 3 AG): 1 A fast, 250 V 5 mm × 20 mm (IEC 127): 0.5 A (T), 250 V Tektronix Fuse Part Number 159 0022 01 159 0413\ 00 Fuse Cap Part Number 200 2264 00 200 2265 00

The fuse approved under the IEC standards is used in equipment sold in the European market.
115 / 230 V Slide Switch

Fuse Holder

Power Cable Connector

High / Low Slide Switch

Figure 1-4: Rear Panel Controls

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Check Voltage Settings

Check that you have the proper electrical connections. The instrument requires 90 to 250 VACRMS, 48 Hz to 440 Hz, and may require up to 70 W. The instrument voltage setting must be adapted to power source voltage. See Table 1­3 for switch settings. Table 1-3: Instrument Voltage Settings
115/230 Switch 115 V 115 V 230 V 230 V High/Low Switch Low High Low High Power Source 90 V to 110 V 108 V to 132 V 180 V to 220 V 216 V to 250 V

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Table 1­4 contains information for the Arbitrary Function Generators power requirements. Table 1-4: AC Line Power Requirements
Name Line Frequency Range: 48.0 Hz to 63.0 Hz 48.0 Hz to 440 Hz Maximum Power Consumption Maximum Current Description VACRMS: 127 V to 250 V 90 V to 127 V 70 W 2A

CAUTION. To avoid damaging the instrument, be sure that the power cord is disconnected before changing the voltage setting. Check the voltage settings on the two slide switches on the rear panel. The correspondence between the voltage ranges and the switch settings for those ranges is shown in Table 1­5. Table 1-5: Voltage Ranges and Switch Settings
Voltage Range 115 V / 230 V Voltage Switch High / Low Range Switch 90 V 110 V
230 V 115 V High Low

108 V 132 V
230 V 115 V High Low

180 V 220 V
230 V 115 V High Low

216 V 250 V
230 V 115 V High Low

Connect Cable

Connect the proper power cord from the rear panel power connector to the power system. See Table 1­6. CAUTION. The instrument is shipped with a power cord appropriate for use with your power systems (normal 115 V power system or 230 V power system). If the instrument is to be used with a power system other than what the order specified, the power cord must be replaced with one appropriate for the power source used. See Power Cord Options in this section, for the available power cord types.

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Table 1-6: Power Cord Identification
Plug configuration Normal usage North America 125 V Option number Standard

Europe 230 V

A1

United Kingdom 230 V

A2

Australia 230 V

A3

North America 230 V Switzerland 230 V

A4

A5

Power On

The LCD display is blank when the instrument is turned off. Push the front panel switch labeled POWER to power on the instrument. See Figure 1­5. Make sure that the fan is turning.

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POWER Switch

Figure 1-5: POWER Switch

Self Test

Check the results of the startup self test. Power-on tests occur automatically each time you power on the instrument. See Figure 1­6 for the LCD display.
Type of Instrument

CH 1
BOTH

CH 2

>>> AFG320 <<< VERSION: 1.0
Version Number

Figure 1-6: The LCD Display at Power On The system continues to the default display after the start-up tests are complete. NOTE. Allow a 20-minute warm-up for the instrument to operate at its optimum precision. If an error is detected (see Figure 1­7), an error message is displayed on the first line, and the test item is displayed on the second line. When multiple errors are detected, use the and buttons to scroll through the failed test items. Although you can clear the error display state and use the instrument, waveform output will not be reliable until you resolve the errors.

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CH 1
BOTH

CH 2

SELF TEST ERROR: CH1 WAVEFORM MEMORY

Error Message Failed Test Item

Figure 1-7: The LCD Display When Error is Found To exit the error display, press the CANCEL/EXIT button. If the self test fails, contact your distributor about details of warranty and service. NOTE. The power-on self test consists of a subset of the tests performed by the SYSTEM menu SELF TEST item. Instrument calibration is not performed at power on unless an error is found in the internally stored calibration data. Use the SYSTEM menu self test and calibration items for more thorough self testing and calibration. This instrument uses flash memory as its internal nonvolatile memory. After this memory has been written about 1000 times, the instrument rewrites the whole chip. This provides wear leveling (distributed writing and periodic deletion/rewriting). This operation causes the time required between power on and the point the instrument can be used to be about ten seconds longer than usual.

Power Off

To power off the instrument, press the POWER switch. NOTE. The instruments current settings are not automatically stored at power off. To store instrument settings for the next power on, use the SAVE menu before powering off.

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Getting Started

Repackaging for Shipment
If this instrument is shipped by commercial transportation, use the original packaging material. If the original packaging is unfit for use or is not available, repackage the instrument as follows: 1. Obtain a corrugated cardboard shipping carton having inside dimensions at least six inches greater than the instrument dimensions and having a carton test strength of at least 124.74 kg (275 pounds). 2. If the instrument is being shipped to a Tektronix Service Center for repair or calibration, attach a tag to the instrument showing the following: owner of the instrument (with address), the name of a person at your firm who may be contacted if additional information is needed, complete instrument type and serial number, and a description of the service required. 3. Wrap the instrument with polyethylene sheeting or equivalent to protect the outside finish and prevent entry of packing materials into the instrument. 4. Cushion the instrument on all sides by tightly packing dunnage or urethane foam between the carton and the instrument, allowing for three inches of padding on each side (including top and bottom). 5. Seal the carton with shipping tape or with an industrial stapler. 6. Mark the address of the Tektronix Service Center and your return address on the carton in one or more prominent locations.

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Operating Basics

Operating Basics
This section provides the following information: H H H H H H H H Provides an overview of the instrument controls and their functions Provides an LCD display example Describes basic operating procedures grouped by function Explains how to enter numbers Explains how to output a waveform Explains how to edit, save, and input waveforms Describes the terminology and content of representative screen displays Provides tutorials covering basic procedures for waveform output and basic settings on the AFG320

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Controls and Connectors
Front Panel
Channel Indicators ( AFG320 only) Indicates current target channel. Both on indicate that the system is in the both input mode.

Figure 2­1 shows the locations of the front-panel controls and connectors.

LCD Display Displays item, selection, numeric, and message within 20 characters in two lines.

POWER Switch Toggle power on and off. Numeric Input Keys and Button Numeric Keys Unit Keys Delete Button

CH1 OUTPUT Connector

CH2 OUTPUT Connector

(CH2 for AFG320 ) Floating waveform output connector. The output impedance is 50 W. CH2 output connector is not installed in AFG310.

TRIGGER EXT IN Connector TTL level external trigger input connector. The input impedance is 10 kW.

Deletes one digit, decimal point, or sign at the left of the block cursor. Inputs numeric values, decimal point, sign, and INF. Confirms the input value with designated unit.

Figure 2-1: Front Panel Controls

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CH / BOTH Button ( AFG320 only)

Item and Menu Buttons

SHIFT Button and Indicator

Changes the operating target channel. Turns both input mode on or off combining with SHIFT button.

Selects setting menu item, and also selects main menu after pressing SHIFT button.

SHIFT button enables you to select a function displayed in blue nomenclature on the front panel. Indicator is on when in shift state.

Main Buttons

Control Buttons CANCEL / EXIT Button ENTER / SELECT Button PREV / NEXT Button INC / DEC Button

Main Buttons OUTPUT Switch and Indicators (CH2 for AFG320 ) TRIGGER MANUAL Button

Cancels selecting item or selection or inputting value, and restores the previous state when block cursor is displayed. Shifts operating level in menu layers when underscore cursor is displayed.

Confirms selected item and selection. Confirms numeric value with same unit.

Changes items. Moves cursor on the numeric.

Changes selections. Increases or decreases numeric value.

The switch toggles waveform output on and off. The indicator is on when corresponding output switch is on state. CH2 output switch and indicator are not installed in AFG310.

When pressing, generates trigger signal.

Figure 2-1 : Front Panel Controls (cont.)

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Rear Panel

Figure 2­2 shows the rear panel controls and connectors.
Fuse Holder Fast blow fuse is installed in this holder. 1 A for 115 V line. 0.5 A for 230 V line. 115 V / 230 V Slide Switch Toggles voltage setting between 115 V and 230 V line.

IEEE STD 488 GPIB Connector Connects GPIB interface cable.

AM IN Connector An external Amplitude Modulation (AM) modulating signal is input for CH1 modulation. The input impedance is 10 kW and the maximum input voltage is ±10 V (DC + Peak AC).

Chassis Ground Screw Used to ground this instrument.

SYNC OUT Connector TTL level pulse is output synchronizing with CH1 output. The output impedance is 50 W.

Power Cable Connector Connects the attached power cable.

High / Low Slide Switch Toggles voltage setting between High and Low in the 115 V or 230 V line.

Figure 2-2: Rear Panel

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Input and Output Connectors

This instrument provides an OUTPUT, SYNC OUT, TRIGGER EXT IN, and AM IN connector. These are floating outputs or floating inputs. The note "42 VpkMAX FLOAT" appears on the panel adjacent to each of these connectors to indicate that they are floating connections. For examples of floating connections, refer to Appendix D: Floating Connections. WARNING. To prevent electrical shocks, do not apply voltages in excess of 42 Vpk to any BNC connector ground or to the chassis ground. All BNC commons must be at the same potential.

OUTPUT Connector. The output connector outputs the waveforms generated by the instrument. The AFG310 provides a CH1 connector and the AFG320 provides a CH1 and a CH2 connector. H The output impedance is 50 W. The voltage displayed on the LCD is the voltage output when a 50 W termination is provided. When the output is open, a voltage twice that displayed on the LCD is output from the OUTPUT connector(s).

CAUTION. To prevent damage to the instrument, do not short output pins or apply external voltages could result.

SYNC OUT Connector. This connector outputs a TTL level pulse synchronized with the CH1 output. See Appendix D: Sync Signal Output on page E­1, for details on signal output timing. H The output impedance is 50 W.

CAUTION. Do not short output pins or apply external voltages. Damage to the instrument could result.

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TRIGGER EXT IN Connector. The EXT IN connector inputs a TTL level external trigger signal. H The input impedance is 10 kW.

CAUTION. Do not apply excessive inputs over +5 V. Damage to the instrument could result.

AM IN Connector. The AM IN connector inputs an external AM modulation signal. See page 3­17, AM (AM) Modulation, for details on input level and modulation depth. H The input impedance is 10 kW.

CAUTION. Do not apply excessive inputs over ± 5 V. Damage to the instrument could result.

Basic Menu Operations
Basic Menu Operations contains the following information: H H H H H H H H H H H Reading an LCD display Moving between menus Entering Numeric input Outputting a waveform Setting the waveform parameters Setting the operation mode Applying modulation/sweep to the output waveform Recalling a setting Saving setups Editing, saving, and importing waveforms Setting the instrument system

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LCD Display

The LCD (liquid crystal display), shows the Default Display or the Menu Item Display. Refer to Figure 2­1 for the location of the LCD Display on the front panel. For an example of the Default Display, refer to Figure 2­3. For an example of the Menu Item Display, refer to Figure 2­4. Default Display. In this state, the current CH1 values for the setting menu items (FUNC, FREQ, AMPL, OFFSET, MODUL, MODE, and PHASE) are displayed. The instrument goes to the default display state after power on, after executing the initialization procedure, and after executing the secure operation. Press the EXIT (CANCEL) button repeatedly to return to the default display from states in which menu items are displayed. Also, pressing any one of the OFFSET, MODE, MODUL, or PHASE buttons returns to the default display.
CH1 Indicator light up Type of Waveform selected Frequency Value

Prefix of Unit

BOTH

CH 1 CH 2

Amplitude Value Phase Value

Offset Value

Operating Mode selected

Modulation Type selected

Figure 2-3: Default Display Menu Item Display. When the SHIFT button and then one of the EDIT, SYSTEM, FUNC PARAMETER, MODE PARAMETER, MODUL PARAMETER, or RECALL buttons are pressed sequentially, or when the SAVE button is pressed, the corresponding menu item will be displayed in the second line of the LCD. The display example shown below occurs when the FUNC PARAMETER menu has been selected. In some cases the FUNC PARAMETER, MODE PARAMETER, or MODUL PARAMETER, shown in the second line of the LCD, is not a valid parameter for the FUNC displayed in the first line of the LCD. For example, the FUNC PARAMETER Pulse Duty has no effect on the FUNC SINE as displayed in Figure 2­4.

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Operating Basics

BOTH

CH 1 CH 2

Display of Menu Item selected

Setting Value of Menu Item

Figure 2-4: Menu Item Display

Moving Between Menus

The buttons used for selecting main menus and items from the setting menu are located in the upper right of the front panel. Refer to Figure 2­5. H Item buttons in the Setting menu (seven items) FREQ, AMPL, OFFSET, PHASE, FUNC, MODE, MODUL H Main menu buttons (seven types) EDIT, SYSTEM, FUNC­PARAMETER, MODE­PARAMETER, MODUL­PARAMETER, RECALL, SAVE

Figure 2-5: Item Buttons and Main Menu Buttons Operation for Setting the Menu Items. Follow the steps below for setting the menu items: 1. Select the desired item using the front panel item buttons. Depending on the item selected, the underscore cursor will be displayed at either numeric value or at selection on the LCD display.

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2. Enter the numeric value, or make the selection. H Numeric values can be changed with the and buttons. Alternatively, the value can be entered with the numeric keys and confirmed by pressing a unit key or the ENTER button. Use the and buttons to change a selection. Confirm the selection with the ENTER button.

H

Prior to confirmation (when the block cursor is blinking), numeric values and selections can be restored to their original states by pressing the CANCEL button. Operation for the Main Menus. Follow the steps below for main menu operation: 1. Select the desired menu using the front panel menu buttons. One of the items included in the selected menu will appear to the left of the colon in the second row on the LCD screen, and one numeric value or selection for that item is displayed to the right of the colon. See Figure 2­6.

Cursor

SINE 100.0000k 1.000 FM FREQ: 10.00k
Menu Item Numeric Value or Selection

Figure 2-6: Display Example for a Main Menu Selected The underscore cursor will appear either in the item to the left of the colon or in the selection area or numerical value to the right of the colon. For menus with only one item, the cursor will be displayed immediately at the selection or numeric value. The procedure from this point will depend on whether the cursor is displayed to the left or right of the colon: H H If the cursor is displayed on the item (to the left of the colon), proceed to Step 2. If the cursor is displayed in the selection area or number (to the right of the colon), proceed to Step 3, or press the EXIT (CANCEL) button to go to the item selection level and then proceed to Step 2.

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2. Use the < and > buttons to change items until the desired item is displayed. Then confirm the selected item with the ENTER button. The cursor moves to selection or numeric value to the right of the colon. 3. Enter the numeric value, or make the selection. H Numeric values can be changed with the and buttons. Alternatively, the value can be entered with the numeric keys and confirmed by pressing a unit key or the ENTER button. Use the and buttons to change a selection. Then confirm the selection with the ENTER button.

H

Prior to confirmation (when the block cursor is blinking), numeric values and selections can be restored to their original states by pressing the CANCEL button. 4. Press the EXIT (CANCEL) button to switch to the higher level (to the item selection level) and to make it possible to repeat Steps 2 through 4. It is possible to select another menu or setting item at any time while the underscore cursor is displayed. When a menu is selected, the same item and its selection will be displayed with same cursor location as they were the last time that menu was selected. Each time the EXIT (CANCEL) button is pressed, the system switches to the next higher level, and finally returns to the default display. In addition to the EXIT (CANCEL) button, the OFFSET, PHASE, MODE, and MODUL buttons can also be used to return to the default display.

Numeric Input

An underscore is displayed at one of the digits in the numeric value on the LCD display when numeric input is required. See Figure 2­7.

Selected Numeric Item

SINE 100.0000k 1.000 0.000 CONT OFF 0

Figure 2-7: Display Example for a Numeric Item Selected The numeric keys and control buttons are used for numeric input. The following describes the techniques for entering numeric values.

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Using the Numeric Buttons. Follow the steps below to input numeric values. Use the buttons and keys, shown in Figure 2­8, to input numeric values with the numeric keys.
7 4 1 0 8 5 2 . 9
MHz/ms X CANCEL kHz/ms/mV

Delete Button CANCEL Button

6 3
INF Hz/s/V

ENTER

+/-

Numeric Keys

Unit Keys

ENTER Button

Figure 2-8: Buttons and Keys for Inputting Numeric Value 1. Input the target value using the numeric keys. Figure 2­9 shows the input of the value ­1.0. When the numeric keys are used for input, a block cursor is displayed as shown in the figure.

Numeric Value During Input

SINE 100.0000k 1.000 ­1.0 CONT OFF 0

Figure 2-9: Example for Inputting Numeric Value Use either the delete key or the CANCEL button to correct an input. H Delete Button. This button deletes one digit, decimal point, or the +/­ character at the left of the block cursor. If the delete button is pressed and held down; the delete operation is repeated. CANCEL Button. The value input is cancelled, and the original value is redisplayed.

H

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2. The input numeric value is confirmed by pressing a unit key or the ENTER button. NOTE. The +/­ character can be input at any point prior to confirming the numeric value for numeric items that allow a negative value. If a value outside the valid range for a numeric item is entered, the value will be replaced by the smallest or largest value in that range when the value is confirmed. If a value is entered to greater precision than the resolution of the numeric item, the value will be rounded off when confirmed.

Using the Control Buttons. Follow the steps below to change the numeric value. Use the buttons shown in Figure 2­10 to change numeric values.
EXIT CANCEL SELECT

CANCEL Button

INC/DEC Buttons
PREV NEXT

ENTER

ENTER Button

PREV/NEXT Buttons

Figure 2-10: Buttons for Changing Numeric Value 1. Place the cursor on the digit that will be changed by pressing the < or > button. 2. Use the and buttons to change the numeric value. Use the CANCEL button to correct an input. Note that this operation is valid when the block cursor is displayed. The CANCEL button cancels the input value and redisplays the original value. If the cursor is placed on the highest digit and the digit is reduced to 1, the value will not change if the button is pressed again. At this point the value can be reduced by moving the cursor to the next lower digit. Amplitude and offset values are the exception. H Amplitude. The value to the left starting at the position of the cursor can be reduced to 1 (in the case of values like 1.030 and 0.120) or 0 (in the case of values like 0.235 and 0.080). Then pressing the button reduces the value to the minimum value of 0.050.

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H

Offset. If the current offset value is positive, pressing the button reduces the value to the left starting at the position of the cursor to 0. Pressing this button again reduces the value in the minus region. If the current offset value is negative, pressing the button increases the value across 0 as well.

Phase values can be negative as well. However, to change the value above or below zero, the cursor must be moved temporarily to the least significant digit. 3. After a value has been changed, the value can be confirmed by pressing a unit key or the ENTER button if the block cursor is blinking. When a value has been changed, some items require that the front panel ENTER button be pressed. If an underscore cursor is displayed after a value has been changed, that item is already confirmed. If the block cursor is blinking after the value has been changed, either a unit key or the ENTER button must be pressed to confirm that value. See Tables 2­1 and 2­2. When the underscore cursor is displayed, it is not necessary to press the ENTER button. The numeric values for the FREQ, AMPL, OFFSET, and PHASE items in the setting menu have the characteristics of the numeric values in setting Example 1. Table 2-1: Numeric Value Input Example 1
Buttons for Input > LCD Display 1.00 1.00 0.90 0.80 Numeric Value Status Before input During input Entered

When the underscore cursor has changed to the block cursor, either a unit key or the ENTER button must be pressed to confirm the value. If a unit key or the ENTER button is not pressed, the value will revert to the previously set value after exiting from the menu. The numeric values for other than the FREQ, AMPL, OFFSET, and PHASE items in the setting menu have the characteristics of the numeric values in setting Example 2.

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Table 2-2: Numeric Value Input Example 2
Buttons for Input < < ENTER LCD Display 121.0 k 121.0 k 120.0 k 120.0 k 110.0 k 100.0 k 90.00 k 90.00 k Entered During input Numeric Value Status Before input

Outputting the Waveform

Follow the steps below to output a waveform: 1. Connect an oscilloscope to the Arbitrary Function Generator to observe the output waveform. 2. Select a target channel for operation. The settings can be set for each channel independently. Select the desired channel before setting each item. The CH indicator displays the selected channel. Press the CH button to change the channel.

Channel Indicators

CH Button

Figure 2-11: CH Button and Channel Indicators 3. Select one of the standard waveforms. a. Press the FUNC button on the front panel.

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b. Use the and buttons to scroll through the waveform names until the desired standard waveform is displayed in the LCD. c. Press the ENTER button to confirm the selected waveform. 4. Press the OUTPUT switch to start the waveform output. The OUTPUT switch opens and closes the line that connects the instruments internal output circuit to the output connector. When this switch is on a waveform corresponding to the currently set output mode (continuous, triggered, or burst mode), the waveform will be output from the OUTPUT connector.

Setting Waveform Parameters

The following procedure provides information on setting waveform parameters. Frequency, Amplitude, Offset, Phase. Follow the steps below to set the parameters (frequency, amplitude, offset, and phase): 1. Press the FREQ, AMPL, OFFSET, or PHASE button according to the parameter type to be set. 2. Input the target value using the numeric keys or control buttons. Setting the Both Input Mode Follow the steps below to set the BOTH input mode. NOTE. The BOTH input mode is available for the AFG320 only. 1. Press the FREQ, AMPL, OFFSET, or PHASE button according to the parameter type to be set. 2. Press the SHIFT button, and then press the CH button. At this point the value of the selected parameter for both CH1 and CH2 will be changed to the value currently displayed. However, if the channel that is not displayed exceeds the maximum value, both channels will be set to that maximum value. 3. Input the target value using the numeric keys or control buttons. Cancel the Both Input Mode. Follow the steps below to cancel the Both input mode. 1. Press the parameter item button for which BOTH input has been set. 2. Press the SHIFT button, and then press the CH button.

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Duty. Follow the steps below to change the duty of the standard function pulse waveform: 1. Press the SHIFT button and then press the FUNC button. This will result in the following display.

CH 1
BOTH

CH 2

SINE 100.0000k 1.000 PULSE DUTY: 50%

2. Change the duty value using the numeric keys or control buttons. 3. Press the ENTER button to confirm the changed value.

Setting Operation Mode

The following procedures provide information on setting operation mode. Selecting the Operation Mode. Follow the steps below to select the operation mode: 1. Press the MODE button on the front panel. 2. Use the and buttons to scroll through the mode names until the desired mode is displayed in the LCD. 3. Press the ENTER button to confirm the selected mode. Burst Count. The burst count is only valid when burst mode has been selected. The burst count can be input at any time. Follow the steps below to change the burst count: 1. Press the SHIFT button and then press the MODE button. This will result in the following display.

CH 1
BOTH

CH 2

SINE 100.0000k 1.000 BURST COUNT: 10

2. Change the burst count. The burst count can be set to an arbitrary value from 1 to 60,000 or to infinity.

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To set a numeric value, change the value using the numeric keys or the control buttons, and then press the ENTER button. To set an unlimited number of counts, press the SHIFT button, and then press the INF (+/­) key.

Apply Modulation/Sweep to the Output Waveform

The following procedures provide information on modulation/sweep to the output waveform. Selecting Modulation Sweep. Follow the steps below to select Modulation/Sweep: 1. Press the MODUL button on the front panel. 2. Use the and buttons to scroll through the modulation/sweep names until the desired modulation/sweep is displayed in the LCD. 3. Press the ENTER button to confirm the selected modulation/sweep. Modify Modulation/Sweep. Follow the steps below to modify Modulation/Sweep: 1. Press the SHIFT button and then press the MODUL button. This will result in the following display.

CH 1
BOTH

CH 2

SINE 100.0000k 1.000 SWP START: 1.0000k

The sweep, FM modulation, and FSK modulation can be customized. 2. Select a target parameter of the sweep or modulation for customizing using the and buttons to scroll through the modulation/sweep parameter names until the desired parameter name is displayed in the LCD. 3. Press the ENTER button to confirm the selected parameter. 4. Enter the numeric value or make the selection. Parameters are either set to a numeric value or selected from a set of selections. Follow the steps below to select a parameter selection: 5. Use the and buttons to scroll through the set of selections until the desired selection is displayed in the LCD. 6. Press the ENTER button to confirm the selection.

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Follow the steps below to input numeric values: 7. Change the value using the numeric keys or control buttons. 8. Press the ENTER button or unit key to confirm the numeric value.

Recall a Setting

The following procedures provide information on recalling a setting. Recall by Designating Memory Number. Follow the steps below to recall by designating Memory Number: 1. Press the RECALL button on the front panel. 2. Use the and buttons to scroll through the memory numbers until the desired Memory Number is displayed in the LCD. 3. Press the ENTER button to confirm the selected number. Recall by the Step Recall. Follow the steps below to recall by using Step Recall: 1. Set the step recall mode to ON state in the SYSTEM menu. 2. Set the value for the LAST RECALL STEP in the SYSTEM menu. This value is the last setting memory number recalled. Once the STEP RECALL and LAST RECALL STEP items have been set, there is no need to perform Steps 1 and 2 in this procedure again. Since these settings are stored in nonvolatile memory, they are not reset when the power is turned on or off or when the instrument is initialized. 3. Press the RECALL button on the front panel. 4. Use the and buttons to scroll through the memory numbers until the memory number to be recalled first is displayed in the LCD. 5. Press the ENTER button to confirm the selected number. The setup for the displayed memory number can be recalled by pressing the ENTER button. At the same time, the displayed memory number will be increased.

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NOTE. In step 4 if you selected a memory number that was equal to or greater than the value of the LAST RECALL STEP, the following actions occur when you press ENTER: H H The selected memory number is recalled. The memory number is then referred to zero.

6. To intermit recall under step recall mode, exit from the RECALL menu with the