Tektronix 434 Manual de usuario

Tektronix

Inc.

P.O.

Box

500

Beaverton

Oregon

97077

070-1142-01

Product

Group

Tektronix

COMMITTED

EXCELLENCE

PLEASE

CHECK

FOR

CHANGE

INFORMATION

THE

REAR

THIS

MANUAL

434

OSCILLOSCOPE

OPERATORS

INSTRUCTION

Serial

Number

MANUAL

First

Printing

AUG

1971

Revised

MAR

1984

1971

1975

Tektronix

Inc.

All

rights

reserved

Contents

this

publication

may

not

reproduced

any

form

without

the

written

permission

Tektronix

Inc.

Products

Tektronix

Inc.

and

its

subsidiaries

are

covered

U.S.

and

foreign

patents

and

pending

patents

FERRONK

are

TEKTRONIX

TEK

SCOPE

MOBILE

and

registered

trademarks

Tektronix

Inc.

TELEQUIPMENT

registered

trademark

Tektronix

U.K.

Limited

Printed

U.S.A.

Specification

and

price

change

priviledges

are

reserved

INSTRUMENT

SERIAL

NUMBERS

Each

instrument

has

serial

number

panel

insert

tag

stamped

the

chassis

The

first

number

letter

designates

the

country

manufacture

The

last

five

digits

the

serial

number

are

assigned

sequentially

and

are

unique

each

instrument

Those

manufactured

the

United

states

have

six

unique

digits

The

country

manufacture

identified

follows

B000000

Tektronix

Inc.

Beaverton

Oregon

USA

Tektronix

Guernsey

Ltd.

Channel

Islands

100000

200000

Tektronix

United

Kingdom

Ltd.

London

300000

700000

Sony

Tektronix

Japan

Tektronix

Holland

Heerenveen

The

Netherlands

Introduction

General

....

Operating

Voltage

Operating

Temperature

Operating

Position

Controls

and

Connectors

General

Detailed

Basic

Operation

General

Non

Store

Display

Magnified

Sweep

Display

External

Horizontal

Display

Normal

Storage

Display

Single

Sweep

Storage

Integrated

Fast

Rise

Waveforms

Fast

Single

Sweep

Enhancement

User's

Calibration

General

.....

Trace

Rotation

STEP

ATTENuator

BALance

Probe

Compensation

REV

AUG

1981

TABLE

CONTENTS

Page

434

Vertical

GAIN

ASTIGmatism

and

FOCUS

Basic

Timing

Applications

General

...

Voltage

Level

Measurement

Peak

Voltage

Measurement

Comparison

Measurements

Time

Duration

Measurements

Frequency

Measurement

Risetime

Measurements

Time

Difference

Measurements

Multi

Trace

Difference

Measurements

Phase

Measurement

Common

Mode

Rejection

Page

Abbreviations

and

symbols

used

this

manual

are

based

taken

directly

from

IEEE

Standard

260

Stan

dard

Symbols

for

Units

MIL

STD

12B

and

other

stan

dards

the

electronics

industry

Change

information

any

located

the

rear

this

manual

434

Oscilloscope

www

JAOKS

FOCUS

www

434

STORAGE

OSCILLOSCOPE

0100

)

wit

POSITION

LEVEL

(

OPPER

SCREEN

SONES

111

POSITION

TIME

9999

VOLTRON

www

(

ADD

MAG

AUT

CHOP

WERM

TRIGGER

MENTREŠNJ

LEVEL

COURCING

BOSTON

1142-16

REV

SEPT

1975

INTRODUCTION

434

OSCILLOSCOPE

General

The

Tektronix

434

Oscilloscope

solid

state

portable

instrument

that

combines

small

size

and

light

weight

with

the

ability

make

precision

waveform

measurements

designed

for

general

purpose

applications

where

display

storage

desired

along

with

conventional

(

non

store

)

oper

ation

The

instrument

contains

two

vertical

signal

inputs

both

which

are

capable

megahertz

bandwidth

trig

ger

circuitry

permit

obtaining

stable

CRT

displays

hori

zontal

deflection

system

that

provides

calibrated

(

unmagnified

)

sweep

rates

from

seconds

0.2

microsecond

division

(

nanoseconds

division

magnified

)

and

storage

circuitry

allow

retention

displayed

event

the

CRT

screen

REV

AUG

1981

effectively

use

the

434

Oscilloscope

the

operation

and

capabilities

the

instrument

must

known

This

erator's

Handbook

intended

give

the

necessary

infor

mation

allow

user

become

familiar

with

the

instrument's

power

requirements

functions

controls

and

connectors

and

methods

making

several

different

mea

surements

electrical

phenomena

Also

included

rudi

mentary

procedure

for

checking

basic

instrument

calibration

434

Operating

Voltage

For

B500000

and

the

434

can

operated

from

nominal

line

voltage

either

115

volts

230

volts

400

Set

the

LINE

SELECTOR

switch

(

the

rear

panel

)

for

the

available

nominal

line

voltage

For

below

B500000

the

434

can

operated

all

nominal

line

voltages

from

100

volts

240

volts

400

Hertz

can

also

operated

from

105

volts

250

volts

power

source

range

switching

selection

necessary

CAUTION

This

instrument

designed

for

operation

from

pow

source

with

its

neutral

near

earth

(

ground

)

potential

with

separate

safety

earth

conductor

not

intended

for

operation

from

two

phases

multi

phase

system

across

the

legs

single

phase

three

wire

system

The

434

designed

used

with

three

wire

power

system

three-

two

wire

adapter

used

connect

this

instrument

two

wire

power

system

sure

connect

the

ground

lead

the

adapter

earth

(

ground

)

Failure

complete

the

ground

system

may

allow

the

chassis

this

instrument

elevated

above

ground

potential

and

pose

shock

hazard

Operating

Temperature

The

434

requires

very

little

air

circulation

for

proper

oper

ation

thermal

cutout

the

instrument

provides

thermal

protection

and

disconnects

the

instrument

power

the

inter

nal

temperature

exceeds

safe

operating

level

Power

automatically

restored

when

the

temperature

returns

safe

level

The

434

can

operated

where

the

ambient

temperature

between

-15

and

The

maximum

operating

temperature

must

derated

for

each

1000

feet

alti

tude

above

5000

feet

This

instrument

can

stored

bient

temperatures

between

-55

and

After

storage

temperatures

beyond

the

operating

limits

allow

the

chassis

temperature

come

within

the

operating

limits

before

power

applied

NOTE

The

crt

performance

may

degraded

continuous

stored

display

maintained

for

over

four

hours

ambient

temperatures

below

for

over

one

hour

ambient

temperatures

greater

than

434

Operating

Position

The

handle

the

434

can

positioned

for

carrying

tilt

stand

for

the

instrument

position

the

handle

press

both

pivot

points

and

turn

the

handle

the

sired

position

Fourteen

positions

are

provided

for

conve

nient

carrying

viewing

The

instrument

can

also

set

the

rear

feet

for

operation

storage

CONTROLS

AND

CONNECTORS

General

The

major

controls

and

connectors

for

operation

the

434

are

located

the

front

panel

the

instrument

Several

auxiliary

functions

are

provided

the

rear

panel

make

full

use

the

capabilities

this

instrument

the

operator

should

familiar

with

the

function

and

use

each

these

controls

and

connectors

brief

description

each

control

and

connector

given

here

Some

the

important

instrument

specifications

are

included

here

also

434's

with

B191820

and

above

contain

front

panel

FOCUS

control

located

below

the

INTEGRATE

button

Two

types

CRT

graticules

have

been

used

the

434

one

has

the

and

100

risetime

references

separated

divi

sions

the

other

divisions

Illustrations

this

manual

show

the

division

version

REV

AUG

1981

(

434

STORAGE

OSCILLOSCOPE

TEKTRONIX

နီး

မ

ယာ

SERIAL

8274200

REV

MAY

1975

POSITION

positions

the

display

vertically

STEP

ATTEN

BAL

balances

the

input

amplifier

the

and

positions

the

VOLTS

DIV

switch

GAIN

sets

the

gain

the

input

amplifier

VOLTS

DIV

selects

vertical

deflection

factor

1-2-5

sequence

(

variable

control

must

the

CAL

position

for

indicated

deflection

)

Calibrated

position

accuracy

within

Variable

provides

continuously

variable

uncalibrated

deflec

tion

factors

between

the

calibrated

settings

the

VOLTS

DIV

switch

the

position

(

button

)

this

push

switch

signals

are

capacitively

coupled

the

vertical

ampli

OUT

5MM2

POSITION

434

STEP

ATTEN

BAL

BOTH

PRECHARGE

OUT

DIC

GAIN

GNO

100

104

CAL

IMQ

VAR

ALT

VOLTS

DIV

PROBE

CAL

0.6V

1KHz

ADD

CAL

CHOP

VAR

1Ma

24pf

STEP

ATTEN

BAL

GAIN

BOTH

PRECHANGE

OUT

INVERT

POSITION

OUT

GNO

1142-02

fier

The

component

the

input

signal

blocked

Low

frequency

-3

point

about

hertz

the

position

(

button

out

)

all

components

the

input

signal

are

passed

the

input

amplifier

GND

the

GND

position

(

button

)

this

push

switch

the

input

the

vertical

amplifier

disconnected

from

the

input

connector

and

grounded

Allows

precharging

the

input

coupling

capacitor

When

the

button

out

coupling

determined

the

button

and

input

connectors

for

application

external

signals

the

inputs

the

vertical

amplifier

Input

impedance

megohm

paralleled

approximately

picofarads

Band

width

MHz

depending

VOLTS

DIV

setting

and

operating

temperature

434

STORAGE

OSCILLOSCOPE

TEKTRONIX

SERIAL

8274200

MHz

the

out

position

this

push

switch

the

bandwidth

the

complete

vertical

amplifier

system

limited

approximately

megahertz

Vertical

Mode

Switch

11.

Channel

only

displayed

10.

PROBE

CAL

0.6

kHz

provides

0.6

volt

calibrator

signal

permit

probe

compensation

adjustment

amplifier

gain

and

checking

basic

horizontal

timing

12.

ALTernate

dual

trace

display

signals

both

channels

Display

switched

between

channels

the

end

each

sweep

OUT

5MMx

POSITION

STEP

ATTEN

BAL

BOTH

PRECHARGE

OUT

GAIN

434

GND

CAL

VAR

1Mo

ALT

VOLTS

DIV

100

PROS

CAL

0.6

H₂

ADD

CAL

CHOP

15.

Channel

only

displayed

VAR

1Mg

24pF

STEP

ATTEN

BAL

GAIN

BOTH

PRECHARGE

OUT

INVERT

POSITION

GND

13.

ADD

Signals

applied

the

and

input

connectors

are

algebraically

added

and

the

algebraic

sum

displayed

the

CRT

The

INVERT

switch

Channel

allows

the

display

plus

minus

1142-03

CHOP

dual

trace

display

signals

both

channels

Display

switched

repetition

rate

approximately

100

kilo

hertz

16.

INVERT

Chann

display

inverted

the

INVERT

(

button

out

)

position

REV

MAY

1975

100

www

17.

BEAM

FINDER

compresses

overscanned

display

with

the

graticule

area

independently

display

position

applied

signals

18.

POWER

INTENSITY

combination

control

that

turns

instrument

power

when

pulled

and

controls

brightness

the

display

when

rotated

REV.C

MAY

1975

20.

TIME

DIVision

selects

the

sweep

rate

the

sweep

genera

tor

(

variable

control

must

the

CAL

position

for

indi

cated

sweep

rate

)

Calibrated

position

accuracy

within

19.

POSITION

controls

horizontal

position

the

display

(

revers

ing

direction

rotation

provides

vernier

action

)

BEAM

FINDER

INTEGRATE

STORAGE

tay

LOCATE

ENHANCE

LEVEL

FOCUS

POWER

PULL

OUT

INTENSITY

OUT

SMNz

POSITION

434

UPPER

SCREEN

GAIN

STEP

ATTEN

BAL

LOWER

SCREEN

ERASE

ENHANCE

STORE

POSITION

CAL

RESET

VAR

TIME

DIV

CAL

21.5

READY

EXT

HORIZ

VOLTS

DIV

PROBE

CAL

0.6V

MAG

PUSH

TURN

tinder

MAG

ONLY

MODE

BOTH

SINGLE

AUTO

NORM

CAL

TRIGGER

SOURCE

BOTH

LINE

100

REJ

BOTH

OUT

EXT

COMP

REJ

PLOPE

LEVEL

GAIN

130

EXT

ATTEN

OUT

COUPLING

OUT

STEP

ATTEN

BAL

OUT

INVERT

POSITION

1142-04

The

extreme

counterclockwise

position

the

switch

selects

External

Horizontal

mode

operation

21.

MAGnifier

six

position

push

turn

switch

which

con

centric

with

the

TIME

DIV

switch

Provides

five

positions

magnification

(

X10

X20

and

X50

)

when

TIME

DIV

switch

pushed

and

rotated

clockwise

except

for

the

fastest

TIME

DIV

settings

where

the

number

magnified

ranges

limited

the

TIME

DIV

positions

remaining

the

clockwise

direction

rotation

22.

Variable

provides

uncalibrated

sweep

rates

between

the

cali

brated

settings

selected

the

TIME

DIV

switch

The

sweep

rate

each

TIME

DIV

switch

position

can

reduced

least

the

sweep

rate

the

adjacent

position

provide

continuously

variable

sweep

rates

100

23.

COUPLING

determines

method

coupling

trigger

signal

trigger

circuit

the

position

this

push

switch

rejected

and

signals

below

about

hertz

are

attenuated

Accepts

signals

between

about

hertz

and

megahertz

when

both

the

and

the

REJ

push

switches

are

the

out

position

signals

are

directly

coupled

the

trigger

circuit

Accepts

all

signals

from

megahertz

FOCUS

REJ

attenuates

signal

above

approximately

kilo

hertz

Accepts

signals

between

and

approximately

kilohertz

BEAM

FINDER

REJ

rejects

and

attenuates

signals

below

approxi

mately

150

kilohertz

Accepts

signals

between

about

150

kilohertz

and

megahertz

INTEGRATE

STORAGE

POWER

PULL

OUT

INTENSITY

ENHANCE

LEVEL

OUT

5MMx

POSITION

LOWER

SCREEN

STEP

ATTEN

BAL

GAIN

434

ERASE

ENHANCE

STORE

POSITION

VAR

RESET

READY

TIME

DIV

215

CAL

MAG

PUSH

TURN

EXT

NORIZ

VOLTS

DIV

PROBE

CAL

0.6V

1kHz

MAS

ONLY

MODE

BOTH

SINGLE

AUTO

CAR

NORM

24.

SOURCE

selects

source

trigger

signal

SURC

DIN

LIN

COMP

BOTHOUT

EXT

100

REJ

RFJ

COPLING

STERATTER

SLOPE

LEVEL

EXT

ATTEN

OUT

INVERT

POSITION

GAIN

1142-05

push

switch

that

the

position

(

button

)

selects

Channel

internal

trigger

source

COMPosite

push

switch

that

the

COMP

position

(

button

)

allows

the

internal

trigger

source

deter

mined

the

vertical

mode

operation

LINE

when

both

the

and

COMP

switches

are

pushed

portion

the

line

frequency

used

trigger

signal

EXTernal

when

the

and

COMP

switches

are

both

out

signals

applied

the

EXT

TRIG

input

connector

are

used

for

triggering

25.

EXT

ATTENuator

the

1:10

position

(

button

)

this

push

switch

external

trigger

signals

are

attenuated

factor

ten

the

position

(

button

out

)

this

switch

external

trigger

signals

are

not

attenuated

REV

MAY

1975

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