Tektronix 7S11 Manual de usuario

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Tektro

7S11

SAMPLING

UNIT

Tektro

Inc

Box

500

eaverto

Orego

97077



Serial

mber

COMMITTED

XCELLE

ATIO

THE

INSTRUCTION

MANUAL

irst

ting

1970

070-0985-00



evised

1981

yrig

1970

tro

ix,

All rig

reser

Conte

ts of this p

blication

may

reproduced

anyform

without

written

permission

tronix,

Inc

Products

tronix,

Inc

and

its

sidiaries

are

covered

and

foreig

patents

d'or

ding

pate

TEKTRONIX,

ΤΕΚ

SCO

and



are

registere

trademar

Tektronix,

Inc

ELE

IP-

ΜΕΝΤ

registere

trademar

Tektronix

imite

rinte

.Α.

Specification

and

rice c

nge

ileges

are

reser

ved

TABLE

CONTENTS

SECTION

SPECIFICATION

Page

General

Information

1-1

Electrical

1-1

Environmental

Characteristics

1-2

Physical

Characteristics

1-2

SECTION

OPERATING

INSTRUCTIONS

General

Information

2-1

Installation

2-1

Mating

2-1

First-Time

Operation

2-2

Equivalent-Time

Sampling

Operation

2-2

Controls

and

Connectors

2-2

Basic

Operating Information

2-2

Basic

Applications

2-9

SECTION

BASIC

SAMPLING

PRINCIPLES

Introduction

3-1

Basic

Sampling

Techniques

3-1

Effective

Sampling

Time

3-4

Traveling

Wave

Sampling

Gate

3-5

Dot

Response

(Loop

Gain)

3-5

Smoothing

3-5

Smoothing

Random

Noise

3-6

Tangential

Noise

3-7

Display

Sensitivity-Deflection

Factor

3-7

Offset

3-7

Real-Time

Sampling

3-8

Sweep

Rates

3-8

SECTION

CIRCUIT

DESCRIPTION

Introduction

4-1

Block

Diagram

4-1

Feedback

Loop

and

Pulse

Amplifier

Chain

4-1

Vertical

Output

Amplifier

4-1

CTIO

REV

JUL

1977

BLE

(cont)

Swee

nit

Drive

4-1

out

ogic

4-3

Circuit

Descri

tion

4-3

Trigger

ogic

4-3

ost

lifier

and

Attenuators

4-3

emory

4-5

Out

lifier

4-8

eal

Time

Oscillator

4-8

Gate

Generator

4-9

out

ogic

4-11

ower

Distribution

and

Decou

ling

4-11

ENAN

Introduction

5-1

reventive

aintenance

5-1

General

5-1

Cleaning

5-1

ubrication

5-1

isual

Inspection

5-1

Calibration

5-1

arts

entification

5-1

arts

lacement

5-2

Troublesh

ooting

5-4

Intro

duction 5-4

Troubles

hooting

5-4

Troubles

hooting

Tec

ues 5-5

Transistor

heck

5-5

Diode

eck

5-5

iel

ffect

Transistors

(FE

T) 5-6

aging

for

ment

5-7

PERF

CHE

/CA

ATIO

Introduction

6-1

Test

ment

uire

6-1

ort

orm

roce

ure 6-2

reliminary

roce

ure 6-3

heck

-12

.2-

olt

owerSu

6-5

heck

Inter

lan

ing

6-6

heck

Dot

ponse and

Smoot

ing

6-7

ust

emory

Gate

(13460)

and

emory

Gain

(C275)

ormalizer

ead

6-7

SECTION



ELECTRICAL

PARTS

LIST

Abbreviations

and

Symbols

Parts

Ordering

Information

Index

Electrical

Parts

List

Electrical

Parts

List

SECTION



DIAGRAMS

AND

MECHANICAL

PARTS

ILLUSTRATIONS

Diagrams

Mechanical

Parts

Illustrations

Repackaging

Instructions

SECTION



MECHANICAL

PARTS

LIST

Mechanical

Parts

List

Information

Index

Mechanical

Parts

Illustrations

Mechanical

Parts

List

Accessories

CHANGE

INFORMATION

Abbreviations

and

symbols

used

in this

manual

are

based

taken

directly

from

IEEE

Standard

260

"Standard

Symbols

for

Units",

MIL-STD-12B

and

other

standards

the

electronics

industry

Change

information,

any,

located

the

rear

this

manual

TABLE

CONTENTS

(cont)

Adjust

Memory

Gate Width

(R460)

and

Memory

Gain

(C275)

With

Sampling

Head

6-8

Adjust

Variable

Balance

(13305)

and

Smoothing

Balance

(13245)

6-9

Check

Deflection

Factor

Accuracies,

Variable

Control

Range

and

Adjust

GAIN

6-10

Check

Memory

Overdrive

Recovery

6-11

Check

Vertical

Signal

Out

6-11

Check

Vertical

Gain

Change

SMOOTH

6-11

Check

Memory

Slash

6-11

Check

Delay

6-12

Check/Adjust

Real

Time

Sampling

(13415)

6-12

Check

Offset

and

Adjust

Position (13325)

6-12

Check

Real-Time

Trigger

Amplifier

Output

6-14

Fig

1-1

7511

Sampling

Unit

General

Information

7511

Sampling

nit

single

chan

nel

vertical

amplifier

lug-in

esigne

for

eration

t r

7000-Series

Oscillosco

7511

accepts

S-Series

Sam

eads

Sam

ete

mi n

the

put

cha

acte

istics

availability

igge

pic

off

S-Se

ies

ng H

used

can be

ugged

nto the

7511

used

remotely

an op

tio

exte

nde

7511

ovi

ower

sampli

ng h

Interco

ections

to the

sampli

circuits

are

rovi

e connector

sampling

com

artme

7511

he 7511 and



7T11

Sampling

Sweep

nit

ope

ate

he ce

ter

g-in

compartme

7000-Series

oscilloscope pr

ovi

eα

gle

chann

sam

system

Two

7S1

1's

and one



7T11

ovi

ual-t

ace

sampli

using

electro

switc

ing

oscilloscope

vertical

lifier

eratio

ovi

two 7S1

1's

ope

ate

center

lug-i

compa

tme

the

oscillosco

trigger

pic

off

ovided

sampli

terco

ections

etween

two

7S11's an

fixe

dan

mova

oes

rovi

eα

trigge

selectio

cuit

t r

igger

the

ter

ally

reconstructed

sig

al is

ovided

igge

eal-time

time-base

such

71350

Sample

signals

are

rese

bot

oscilloscope

tical

lifier

and

front

pan

necto

for

exte

use wit

auxiliary

uipment

suc

pen

recor

ers

aracteristic

Deflectio

acto

nits/Divisio

ange

SECTION

7S11

ΤΙΟΝ

matio

affecti

section

will

of t

BLE

1-1

ELE

ICA

erformance

200

seve

steps

uen

its/Division

a r

those

labele

sam

BLE

1-1 (co

7511

less

erwise

stated

samp

ling

hea

a n

aracte

istic

Performan

Gain

Accuracy

(

atio

OOT

nctio

acc

acies

with

GAI

usted

any

nits/

source,

oscillo-

Division

switc

setting

sco

attenu-

OOT

ators,

etc

tio

OOTH

its/Divisio

xte

nds d

eflection

facto

iable

unit/

ivision

less

least

400

nits/

ivision

GAI

Permits

ustment

eflectio

factor

any

its/Division

switc

setting

for

all

7000-se

ies

oscillo-

sco

ange

least

10 ns

emo

Slas

division

less

for

ambient

peratu

less

volt

-1

volt

TOU

+10

volts

-10

volts

elatio

Actual

Offset

.1)

(Offset

Out)

actual

Offset wit

Sou

esista

with

(

elate

actual

Offset)

VER

Tical

SIGnal

200

Amplitu

(Sig

volts)

its/D

ιν

volts

wit

volts

pea

-to-pea

(

efere

maximum

ut)

Deflectio

facto

200

laye

ivisio

n with

(

efere

nced

NVER

resistance

wit

.5%

Dimensions

Height

Width

Length

inches

(12

centimeters)

inches

centimeters)

1/2

inches

(37

centimeters)

Approximate

dimensions

including

knobs

and

connec-

tors

STANDARD

ACCESSORIES

Standard

accessories

supplied

with

the

7511

are

listed

the

last

page

the

Mechanical

Parts

List

section

For

optional

accessories available

for

use

with

this

instrument,

see

the

Tektronix,

Inc

catalog

Specification-7511

ENVIRONMENTAL

CHARACTERISTICS

Finish

Front

panel

anodized

aluminum

Storage-altitude

50,000

feet

15,000

meters

and

Weight

-55

Operating

characteristics

are the

same

those

Net

About

pounds

(0 .9

kilogram)

listed

the

7000-series

oscilloscope

manual

Shipping

About

1/4

pounds

.46

kilo-

PHYSICAL

CHARACTERISTICS

grams)

eral

Information

section

iscusses

installation,

first

time

eration,

functio

of front p

controls

con

ectors,

basic

er-

ation a

lications

7511

you

are

unfa

iliar

with

sam

ling,

may

rea

Section

Basic

Tektronix

Samp

les,

before procee

g wit

his

sectio

The

7511

single-channel

sam

ling

nit for

use

in α

ling

system

sisting

Tektronix

7704

7504

Oscillosco

mai

frame,

sam

ling

pun

(7T11)

real-time

time-base

7511-sa

pling

hea

combination

7511

acce

S-series

ling

hich

eter-

mines

inp

aracteristics

of the

ling

syste

(exce

for

the

Type

S-3

Samp

ling

)

rovi

trigger

off

7511

can

use

for

real

time

eration

wit

real-

time-

ase

units

713711

71370

with

the

7704

Oscillosco

the

713511

71350

with

7504

Oscillosco

inter

trigger

source

fro

signal

pro

ide

for

real

time

eration

evertheless,

maxim

useable

swee

rate

about

ms/

(

hα

kHz

sig

al),

since

igher

fre

uencies

orizontal

size

increases

number

of dots p

ivision

beco

less t

ree

vertical

eflection

factors

of 2 to

200

calibrate

its

labeled

the

hea

Three-foot

six-foot

ling

hea

cables are

available

operate

S-series

ling

hea

otely

Order

the

ree-foot

ling

exte

cable

tro

art

012-0124-00

Order

the

six-foot

ling

ex-

cable

tro

art

012-0125-00

tact

local

tronix F

iel

eer or

resentative

for

rice

and

ailabilit

ese

optio

accessories

stalli

g t

7511

Oscillosco

Insert

7511

the

Right

ertical

ing

oscillosco

sli

7511

letel

nto t

part

7511

will

lock into

place

with

loa

latc

nob

SECTION

OPERATING

INSTRUCTIONS

ange

for

atio

affecting

section

will

fou

e rear

manual

Insert

the

sam

ling

hea

into

the

7511

with

latch

free

until

letely

the

7511,

then

latc

hto

loc

lace

remove,

pull

the

latc

nobaway

from

the p

anel,

then

pull

the unit

from

7511

The



7T11

ling

Swee

nit,

mally

use

wit

7511,

must

stalle

the

orizontal

ing

the

7511

make

con

ections

between

the

two

units

rough

connectors

(the

movable

fixe

shoes)

ati

7511

he 7511

ertical

Out

lifier

gai

must

matc

to the

oscillosco

CRT

eflection

factor

for

accu-

rate

gain

measureme

GAIN

control,

screw

river

stment

front

anel,

justs

the

ertical

Out

lifier

gain

of the

7511

justme

this

GAI

trol

usi

the

284

ulse

Generator

sig

source

uivalent

Time

Samp

ling

eration

ich

follows

or further

Gain

information,

refer

to the

Gain

instructions

later

in t

section

Fig

2-1

Equ

ale

t ti

e sa

pling

system

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