Tektronix tektronix cfg253 3 mhz function generator sm free download

File name tektronix_cfg253_3_mhz_function_generator_sm.pdf

p Service Procedures Product: CFG253 3 Mhz Function Generator Title: Performance Verification & Adjustment Procedure #: CP1005 Revision: A Prepared By: Roy Lindley Measurement Business Service Support REVISION LEVEL SUMMARY: Revision # Date Initiator Level Change Description From: To: A 5/16/97 Roy Lindley n/a Initial release CFG253 Performance Verification & Adjustment Procedures Page 1 of 19 Procedure #: CP1005 Revision: A CFG253 PERFORMANCE VERIFICATION PROCEDURE CONTENTS: Preparation 3 Check DC Offset 3 Check Main Output Amplitudes 4 Square Wave Overshoot, Rise/Fall Time 6 Check Square Wave Duty Cycle 7 Sync (TTL) Output 8 Sine Wave Distortion 9 Frequency Dial Accuracy 9 INTRODUCTION To ensure instrument accuracy, check its performance after every 2000 hours of operation or once each year if used infrequently. The instrument case does not have to be removed for the Performance Check procedure. All necessary controls and connectors are accessible from the outside. Test Equipment: Requirement: Example: Test Oscilloscope 5mV-5V/Div, 50nS/Div Tek TDS210 Frequency Counter > 3MHz, < 1 % Tek CMC251 Distortion Analyzer 100KHz AA501A Coax Cable 50 ohm P/N 012-0057-01 50 Ohm Terminator P/N 011-0049-01 CFG253 Performance Verification & Adjustment Procedures Page 2 of 19 Procedure #: CP1005 Revision: A PREPARATION Connect the instrument and test equipment to an appropriate power source and allow 20 minutes for warm up and stabilization. Set the controls as listed below during warm up. Initial CFG253 Set-Up: AMPLITUDE Mid Range DC OFFSET Pushed In SYMMETRY Midrange Detent RANGE 1K FUNCTION All Buttons Out VOLTS OUT Button Out FREQ/10 Button Out SWEEP Button Out SWEEP RATE Midrange SWEEP WIDTH Midrange FREQ DIAL 0.3 1. CHECK DC Offset a. Pull out the DC OFFSET knob.