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1 ST F t U CT10
U A L Serial Number 4/o -~-, -'
7 13
A MPL I F I ER
Te k tronix, Inc .
.rte S . W. M illi k an Way " . . Box 500 " B eaverto n , Oregon 97005 " Ph o n e 644-0161 " Ca b les : Te k tronix
070-0978-00 1069
WARRANTY
All Tektronix instruments are warranted
against defective materials and workman-
ship for one year. 7i ktronix transformers,
manufactured in our plant, are warranted
for the life of the instrument .
Any questions with respect to the war-
ranty mentioned above should be taken
up with your Tektronix Field Engineer .
Tektronix repair and replacement-part
service is geared directly to the field,
therefore all requests for repairs and re-
placement parts should be directed to the
Tektronix Field Office or representative
in your area . This procedure will assure
you the fastest possible service. Please
include the instrument Type and Serial or
Model Number with all requests for parts
or service .
Specifications and price change privi-
leges reserved .
Copyright '0' 1969 by Tektronix, Inc.,
Beaverton, Oregon . Printed in the United
States of America . All rights reserved .
Contents of this publication may not be
reproduced in any form without permis-
sion of the copyright owner.
Typ e 7 13
TA BLE OF CO N T EN TS
S ECTION 1 S PE CI F ICATIO N Page S ECTION 3 CIRC U IT DESCRIPTIO N Page
d u ctio n
Intro1 -1 Introd u ction 3-1
E lectrical C h aracteristics 1-1 B loc k Diagram Descri p tion 3-1
Deflection Factor 1-1 In p u t Mode Switc h es 3-1
Commo n M ode Sig n al R ange 1-1 In pu t Atten u ators 3-1
Differential Signal R ange 1-1 In pu t So u rce and E mitter F ollowers 3-1
F re q u ency R es p onse 1-1 Differential a n d Common M od e Signal Clam p s 3-1
Overd rive Recovery 1-1 Differe n tial Com p arator 3-1
Common Mode Re j ection R atio 1-1 1 an d 10 Gai n -Switc h ing Am p lifier 3-1
Maxim u m In p u t V oltage 1-2 1 , 2 a n d 5 Gain-Switc h i n g Am p lifier 3-1
In p u t R an d C 1-2
Driver Am p lifier 3-1
M axim u m Gate C u rrent 1-2
O u t p u t Am p lifier 3-1
DC Drift 1_2
Trigger Am p lifier 3-1
Dis p laye d N oise 1-2
Fee d bac k L imiter 3-3
Com p arison V oltage 1-2
R eado u t L ogic 3-3
System C h a r acteristics 1-2
E nviro n mental C h aracteristics V c Decimal L am p Driver 3-3
1-2
3-3 Detailed Circ u it Descri p tio n
Altit u d e 1-2
3-3
Tra n s p ortation 1-2 In p u t M ode Switc h
In p u t Atten u ators 3-3
SE CTIO N 2 O PER ATI N G I N ST RU CTIO N S In p u t So u rce and E mitter F ollowers 3-3
Intro du ction 2-1 Differe n tial Sig n al an d Common M ode Signal 3-4
F ront- P anel Descri p tion Clam p s
2-1
Test Set u p C h art 2-1 Differential Com p arator 3-4
F amiliarization P roce d u re 2-2 1 and X10 Gain-Switc h ing Am p lifier 3-4
First-Time O p eration 2-2 1, 2 an d 5 Gain-Switc h ing Am p lifier 3-5
F ront P a n el A d ju stments 2-3 Driver Am p lifier 3-5
E xam p les of Voltage/Signal M eas u rements 2-3 Ou t p u t Am p lifier 3-5
Single-en d e d o p eration DC M eas u rement 2-3 Trigger Am p lifier 3-5
Differential Com p arator O p eration, DC 2-4 F eed bac k L imiter 3-5
Meas u rement
R ea d o u t L ogic and Vc Decimal Lam p Driver 3-5
Single- E n d ed O p eration, Waveform 2-4
M eas u rement L ow V oltage P ower S u pp lies 3-5
Differential Am p lifier O p eration 2-4 Com p arison Voltage Ge n erators 3-5
U se of Vc O U T 0-10 V Ti p J ac k
2-4
General Disc u ssion 2-5 S ECTIO N 4 MAI N T EN A N C E
Common Mode Re j ection 2-6 P reventive Maintenance 4-1
Am p lit u d e an d Commo n M o d e R e j ection 2-9 General 4-1
Factors Wh ic h Affect C MRR 2-9 Cleaning t h e Fro n t P anel 4-1
Differential Am p lifier A pp lications 2-11 Cleaning t h e Interior 4-1
- A p p lications 2-11 V is u al Ins p ection 4-1
P assive Signal Co u p ling M et h o d s 2-11 Tra n sistor C h ec k s 4-1
Ty p e 7A13
TA BLE OF CO N TEN TS (Cont)
Page Page
Calibration 4-1 C h ec k /Ad ju st Ste p Atten u ator DC B alance 5-8
Corrective M aintenance 4-1 C h ec k /Ad ju st Position Cen ter 5-8
General 4-1 C h ec k /Ad ju st Trigger DC B alance 5-9
Obtaining Re p lacement P arts 4-1 C h ec k /Ad ju st Sig n al O u t p u t DC L evel 5-9
S p ecial Parts 4-2 Ch ec k /Ad ju st Trigger Ou t p u t DC L evel 5-9
Soldering Tec h ni q u es 4-2 Ch ec k /Ad ju st Gain 5-9
Switc h R e p lacement 4-4 C h ec k Gate Cu rrent 5-9
L am p R e p lacement 4-5 P reliminary Com p arison Voltage C h ec k & 5-10
Tro u bles h ooting Th ermal Com p ensation Ad ju stment
4-5
Intro d u ction C h ec k Com p arison V oltage 5-10
4-5
General 4-5
Ch ec k /Ad ju st Common Mode T h ermal 5-10
Com pensation
In d icator Oscillosco p e 4-5 I n p u t R esistance & DC Atten u ation R atio 5-11
Op erating P roced u res a n d Control Settings 4-5 Ad ju stments
Tro u ble Sym ptoms 4-5 C h ec k /Ad ju st +In p u t 10 DC 5-11
Atten u ation R atio
V is u al Ins p ection 4-6
C h ec k /A d ju st +I n p u t 1 DC In p u t 5-12
Calibratio n C h ec k
4-6 R esistance
Detaile d Tro u bles h ooting 4-6 C h ec k/Ad ju st +In p u t 100 DC 5-13
General 4- 6 Atten u ation Ratio
Test E q u i p ment R ecommended
4-6 C h ec k/Ad ju st -In p u t 10 DC 5-13
Atten u ation Ratio
Tro u bles h ooting by Direct Re p laceme n t 4-6
Check/Adjust -I n p u t 1 DC In p u t 5-14
Tro u bles h ooting Ai d s 4-6 R esistance
Tro u bles h ooti n g Tec h ni q u es 4-7 H ig h - F re q u ency Com p ensatio n Ad ju stments 5-15
Com ponent Ch ec k s 4-8 C h ec k /Ad ju st H ig h - F req u ency 5-15
Instr u ment Com p ensation
R e p ac k aging 4-9
Atten u ator Com p ensation Ad ju stments 5-20
SECTIO N 5 PERFORMANC E CHECK/ C h ec k /Ad ju st +I npu t Atten u ator 5-20
Com p ensation
CA LI BRATIO N
C h ec k /A d ju st -I n p u t Atten u ator 5-23
Intro d u ction 5-1 Com p ensatio n
Test Eq u i p ment R e q u ire d
5-1 Commo n Mode R e j ection Ad ju stments 5-25
Ge n eral 5-1 C h ec k /A d ju st Am p lifier Hig h - F re qu ency 5-25
Test E q ui p me n t 5-1 Commo n M od e R e j ection
S h ort- Form P erformance C h ec k /Calibration 5-3 C h ec k /A d ju st Atten u ator Common Mo d e 5-27
P roced u re R e j ection at 100 Hz
P erformance C h ec k /Calibration P roced u re 5-5 C h ec k /Ad ju st Atten u ator Common Mode 5-28
R e j ectio n at 10 kH z
General 5-5
Preliminary P roced u re
Trigger & Signal Am p lifier R es p onse C h ec k s 5-28
5-6
5-28
DC an d Gain Ad ju stments 5-7 C h ec k Trigger Am p lifier Gain an d Ste p
R es p onse
C h ec k /Ad ju st P osition Center & DC B ala n ce 5-7
C h ec k Trigger Am p lifier Hig h - F re q u ency 5-30
C h ec k /A d ju st 10 DC B ala n ce 5-8 Si n e Wave R es p onse
Ty p e 7 13
TA BLE OF CONTEN TS (Cont)
Page Page
C h ec k Signal Am p lifier Hig h - F re q u ency 5-31 S ECTIO N 6 ELE CT R ICA L PA R TS L IST
R es p onse
Abbreviations & Symbols
C h ec k Signal Am p lifier 5-MHz B andwi d th 5-31
Sine Wave R es p onse P arts Ord eri n g Information
Com p a rison V oltage Ad ju stments 5-31
C h ec k /Ad just 10- Volt Calibration 5-32 SE CTIO N 7 DIAG RAMS A ND ME C HA N ICA L
C h ec k /A d ju st 1- V olt Calibratio n
5-33 P A RTS I LLU ST R ATIO NS
C h ec k Com p arison Voltage L inearity 5-33 Diagrams
M ec h a n ical Parts Ill u strations
C h ec k V olts Co u nter Mec h a n ical B ac k las h 5-33
Ch ec k E lectrical Zero 5-34 S E CTIO N 8 ME C H A N ICA L PA RTS LIST
Noise & Overdrive Recovery C h ec k s 5-34 Mec h anical P arts List Information
I n dex of M ec h anical P arts Ill u st ratio n s
C h eck N oise 5-35
M ec h a n ical P arts L ist
C h ec k Over d rive Recovery Time 5-36 Accessories
1-1 Type 7 Differential Comparator
Fig. . 13 .
Typ e 7 13
SECTION I
SPECIFICATION
Ch ange information, if any, affecting t h is section will be fo u n d at t h e
rear of t h e man u al .
I N T R OD U CTIO N C h aracte r istic P erforma n ce R e q u ireme n t
1 V /Div to 5 V /Div; At least -1--500 V a n d -500 V
Th e Ty p e 7 13 V ertical Plug-In is DC co u p led d iffere n tial 10 V c
comparator wit h excelle n t commo n -mod e re j ection a n d medi- Differential Signal R ange
u m gain c h aracteristics for me d i u m level applications. T he 1 m V /Div to At least 0 .8 V
Type 7 13 is desig n ed fo r use in Tekt ronix 7000 se r ies oscillo- 50 mV/ Div ;
sco p es. It may be u sed as d iffe r en tial i n pu t p ream p lifier V c In
o r conve n tion al p ream p lifie r in ad d ition to its u se as com-
pa r ator . 10 mV /Div to At least 8 V
50 mV /Div ;
In t h e d ifferential in p u t mo d e, t h e d y namic ra n ge allows X10 Vc Ou t
t he ap p licatio n of common-mo d e signals up to +10 o r -10 0 .1 V /Div to
volts to be a p p lie d to t h e u nit wit h o u t atte nu ation . Common- 0 .5 V /Div;
mo d e re j ection ratio of at least 20,000:1 at DC to 100 kHz 10 V c In
permits measu reme n ts of diffe r e n tial sig n als less t ha n 1 m V
0 .1 V /Div to At least 80 V
in am p lit ud e on 10 volt commo n -mod e signals . 0 .5 V /Div ;
X10 V c Ou t
Wh en u sed as differe n tial com parator, t h e Type 7 13
h as an effective offset ra n ge of 10,000 d ivisio n s . 1 V /Div to 5 V /Div;
10 Vc
ELE CT R ICAL C H A R ACT ER ISTICS F req u ency R es ponse
i
T h e electrical c h a r acteristics desc ribe d n Table 1-1 are
(8 Div Reference)
i
valid over t he stated envi r onme n tal r ange fo r nstru me nts FULL B a n dwidt h
U pp e r L imit
See Table 1-2, System C h aracte ris-
tics
calibrate d at an ambien t tem p e rat u re of +20
