Tektronix 475 User manual

TEKTRONIX



475

OSCILLOSCOPE

AND

DM43

DM40

DIGITAL

MULTIMETERS

Tekt ronix

Inc.

P.O.

Box

500

Beavert on

Oregon

97077

INSTRUCTION

MANUAL

070-1739-01

Serial

Num ber

First

Print ing

OCT

1974

WARRANTY

All

TEKTRONIX

inst rum ent s

are

warranted

against

defect ive

m at erials

and

work m anshi p

for

one

year

Any

quest ions

with

respect

the

warranty

should

taken

with

your

TEKTRONIX

Field

Engineer

representat ive

All

request s

for

repairs

and

replacem ent

part s

should

direct ed

the

TEKTRONIX

Field

Office

representat ive

your

area

This

will

assure

you

the

fast est

possible

service

Please

include

the

inst rum ent

Type

Num ber

Part

Num ber

and

Serial

Num ber

with

all

request s

for

part s

service

Specificat ions

and

price

change

privileges

reserved



1974

Tekt ronix

Inc.

Beavert on

Oregon

Print ed

the

United

States

Am eri ca

All

right s

reserved

Content s

this

publication

m ay

not

reproduced

any

form

without

perm i ssi on

Tekt ronix

Inc.

U.S.A.

and

foreign

TEKTRONIX

product s

covered

U.S.

and

foreign

patents

and

patents

pending

TEKTRONIX

regi st ered

t radem ark

Tekt ronix

Inc.

TABLE

CONTENTS

BEFORE

OPERATING

Page

BASIC

OSCILLOSCOPE

DISPLAYS

(

cont

)

Page

INTRODUCTION

DELAYED

SWEEP

DISPLAY

SAFETY

INFORMATION

MIXED

SWEEP

DISPLAY

OPERATING

VOLTAGE

DISPLAY

OPTIONS

SINGLE

SWEEP

DISPLAY

CONTROLS

CONNECTORS

AND

INDICATORS

DM43

DM40

DISPLAYS

AND

MEASUREMENTS

VERTICAL

RESISTANCE

DISPLAY

VOLTS

DM43

DM40

TEMPERATURE

(

DM43

ONLY

)

TRIGGER

APPLICATIONS

AND

MEASUREMENTS

HORIZONTAL

CALIBRATOR

AND

POWER

PRELIMINARY

REAR

PANEL

OPERATOR’S

ADJUSTMENTS

AND

CHECKS

SIDE

PANEL

PEAK

VOLTAGE

MEASUREMENTS

-AC

BASIC

OSCILLOSCOPE

DISPLAYS

INSTANTANEOUS

VOLTAGE

MEASUREMENTS

-DC

NORMAL

SWEEP

DISPLAY

MAGNIFIED

SWEEP

DISPLAY

ALGEBRAIC

ADDITION

REV

SEPT

1974

475

and

DM43

DM40

Operat ors

TABLE

CONTENTS

(

cont

)

APPLICATIONS

AND

MEASUREMENTS

(

cont

)

Page

APPLICATIONS

AND

MEASUREMENTS

(

cont

)

Page

COMMON

MODE

REJECTION

DM43

DM40

DELAYED

MIXED

SWEEP

TIME

MEASUREMENTS

AMPLITUDE

COMPARISON

MEASUREMENTS

TIME

DURATION

MEASUREMENTS

Tim e

Difference

Between

Repetit ive

Pulses

(

DM43

DM40

)

FREQUENCY

MEASUREMENTS

RISETIME

MEASUREMENTS

Tim e

Duration

(

DM43

DM40

)

Frequency

(

DM43

DM40

)

Tim e

Difference

Between

Two

Pulses

From

Different

sources

(

DM43

DM40

)

TIME

DIFFERENCE

BETWEEN

TWO

PULSES

FROM

DIFFERENT

SOURCES

TIME

COMPARISON

MEASUREMENTS

BASIC

475

DELAYED

MIXED

SWEEP

TIME

MEASUREMENTS

Riset im e

(

DM43

DM40

)

Mix

(

DM43

DM40

)

DELAYED

MIXED

SWEEP

MAGNIFICATION

Magnified

Sweep

Start s

Aft er

Delay

Triggered

Delayed

Sweep

Magnification

Tim e

Difference

Between

Repetit ive

Pulses

(

Basic

475

)

Tim e

Duration

Measurem ent s

(

Basic

475

)

Frequency

(

Basic

475

)

Tim e

Difference

Between

Two

Pulses

From

Different

sources

(

Basic

475

)

Riset im e

(

Basic

475

)

Mix

(

Basic

475

)

PHASE

DIFFERENCE

MEASUREMENTS

HIGH

RESOLUTION

PHASE

DIFFERENCE

MEASUREMENTS

PULSE

JITTER

MEASUREMENTS

475

and

DM43

DM40

Operat ors

REV

SEPT

1974

TABLE

CONTENTS

(

cont

)

OPERATOR’S

SPECIFICATIONS

Page

OPERATOR’S

SPECIFICATIONS

(

cont

)

Page

VERTICAL

TEMPERATURE

DM43

ONLY

WITH

PROBE

TRIGGERING

VOLTAGE

DM43

DM40

POWER

SOURCE

DIFFERENTIAL

TIME

MEASUREMENT

(

BASIC

475

)

DIFFERENTIAL

TIME

MEASUREMENT

(

DM43

DM40

)

ENVIRONMENTAL

ACCESSORIES

HORIZONTAL

STANDARD

ACCESSORIES

INCLUDED

CALIBRATOR

OPTIONAL

ACCESSORIES

AXIS

INPUT

OUTPUTS

OPTIONS

RESISTANCE

DM43

DM40

OPTION

TIME

DM43

DM40

OPTION

iii

REV

SEPT

1974

475

and

DM43

DM40

Operat ors

417

REST

1739-1

1739-2

Basic

475

Oscilloscope

475

Oscilloscope

with

digit al

m ult im eter

475

and

DM43

DM40

Operat ors

REV

SEPT

1974

BEFORE

OPERATING

INTRODUCTION

The

DM40

identical

the

DM43

except

that

the

DM40

lacks

t em perat ure

m easurem ent

capabilit y

SAFETY

INFORMATION

The

Tekt ronix

475

Oscilloscope

dual

channel

port able

inst rum ent

The

dual

channel

200

MHz

vert ical

syst em

provides

calibrat ed

deflection

fact ors

from

m illi volts

volt s

division

The

sweep

trigger

circuit s

are

capable

stable

triggering

over

the

full

bandwidt h

capabilit ies

the

vert ical

deflection

syst em

The

horizon

tal

deflection

syst em

provides

calibrat ed

sweep

rat es

from

0.5

second

0.01

m icrosecond

division

along

with

delayed

sweep

features

for

accurat e

relat ive

t im e

m easurem ent s

X10

m agnifier

ext ends

the

calibrat ed

sweep

rat e

nanosecond

division

The

inst rum ent

operat es

over

wide

variat ion

line

volt ages

and

frequencies

Maxi m um

power

consum pt ion

about

100

wat ts

The

inst rum ent

designed

operat e

from

single

phase

power

source

with

one

the

current

carrying

conductors

(

the

Neutral

Conduct or

)

ground

(

eart h

)

pot ent ial

Operat ion

from

power

sources

where

bot h

current

carrying

conductors

are

live

with

respect

ground

(

such

phase

three

wire

syst em

)

not

recom m ended

since

only

the

Line

Conduct or

has

over

current

(

fuse

)

prot ection

within

the

inst rum ent

The

Tekt ronix

DM43

Digit al

Muli tm eter

m easures

ohm s

m egohm s

volt s

1200

volt s

(

)

-55



150



and

displays

the

m easurem ent

digit al

display

while

the

oscilloscope

operat es

norm ally

The

digit al

m ult im eter

and

oscilloscope

com bine

provide

digit al

readout

the

t im e

between

any

two

poi nt s

the

oscilloscope

display

The

inst rum ent

has

three

wire

power

cord

with

three

t erm i nal

polarized

plug

for

connection

the

power

source

and

safety

eart h

The

ground

(

eart h

)

t erm i nal

the

plug

direct ly

connected

the

inst rum ent

fram e

For

elect ric

shock

prot ection

insert

this

plug

only

m at ing

outlet

with

safety

eart h

contact

REV

SEPT

1974

475

and

DM43

DM40

Operat ors

OPERATING

VOLTAGE

change

the

regulating

range

Disconnect

the

inst rum ent

from

the

power

source

CAUTION

Loosen

the

two

captive

screws

that

hold

the

cover

the

select or

assem bly

;

then

pull

rem ove

the

cover

Thi s

inst rum ent

m ay

dam aged

operat ed

with

the

line

volt age

select or

switch

the

regulating

range

select or

set

for

the

wrong

applied

line

volt age

the

wrong

line

fuse

used

Pull

out

the

range

select or

switch

bar

(

see

Fig

)

Select

range

from

Table

which

centered

about

the

average

line

volt age

Slide

the

bar

the

desired

position

and

plug

Push

the

cover

and

tighten

the

screws

TABLE

Regulat ing

Ranges

Line

Voltage

Select ion

Thi s

inst rum ent

operat es

from

eit her

115

volt

230

volt

nom inal

line

volt age

source

440

hertz

convert

from

one

nom inal

line

volt age

range

the

ot her

m ove

the

Line

Voltage

Select or

switch

(

locat ed

side

panel

)

indicate

the

correct

nom inal

volt age

115

230

volt

adapter

m ay

required

for

the

line

cord

plug

sure

use

the

correct

line

fuse

for

the

line

volt age

select ed

(

see

Table

)

Range

Select or

Switch

Posit ion

Regulat ing

Range

115

Volts

230

Volts

Nom inal

121

volt s

198

242

volt s

(

Switch

bar

lower

holes

)

(

Switch

bar

m iddle

holes

)

(

Switch

bar

upper

holes

)

Fuse

Size

104

126

volt s

207

253

volt s

Regulat ing

Range

Select ion

The

Regulat ing

Range

Select or

assem bly

(

locat ed

the

rear

panel

)

set

for

one

the

line

volt age

ranges

shown

Table

also

contains

the

line

fuse

for

overload

prot ection

108

132

volt s

216

264

volt s

1.5

3AG

Fast

blow

0.75

3AG

Fast

blow

475

and

DM43

DM40

Operat ors

REV

SEPT

1974

OPTIONS

Options

are

available

alt er

oscilloscope

perform ance

m eet

part icular

applications

num ber

eit her

MOD

slot

(

see

It em

Controls

Connectors

and

Indicators

)

indicates

m odi fi ed

oscilloscope

AGATE

300

TES

100

SELECTOR

SWITCH

BAR

(

SHOWN

MEDIUM

POSITION

)

Toy

GATE

5008

5.3

2304

SOWATCH

STRAUMERIONTSOE

RLARI

P808

POWER

VERT

SIGNAL

OUT

2010





EXT

AXIS

POSITE

GING

ABOVE

GHO

DECREASES

PROBE

POWER

LINE

FUSE

1739-1

Fig

Regulat ing

range

select or

and

line

fuse

REV

SEPT

1974

475

and

DM43

DM40

Operat ors

CONTROLS

CONNECTORS

AND

INDICATORS

RANGE

2020

2012

20202

203

FUNCTION

ZONO

vous

OHMS

TITAE

TEMPECE

VERTICAL

om os

OSCILLOSCOPE

MOLTS

CM3

and

VOLTS

DIV

Select s

the

vert ical

deflection

fact or

1-2-5

sequence

(

VAR

control

m ust

the

calibrat ed

detent

for

the

indicated

deflection

fact or

)

VERY

MODE

VOLTS

DIV

Readout

Consist s

two

sm all

lam ps

for

each

channel

locat ed

beneat h

the

skirt

each

VOLTS

DIV

knob

One

the

ot her

lam p

will

light

indicate

the

correct

deflection

fact or

when

probe

with

scale

switching

connector

used

probe

without

this

connector

lights

the

lam p

SOCUS

SCALE

RIN

VAR



Provides

continuously

variable

uncalibrated

deflection

fact ors

between

the

calibrat ed

sett ings

the

VOLTS

DIV

switch

and

ext ends

the

m axi m um

vert ical

deflection

least

12.5

volt s

per

division

(

volt

position

)

(

1739-4

UNCAL

Lam p

Indicates

when

the

VAR

VOLTS

DIV

control

out

the

calibrat ed

detent

and

the

vert ical

deflection

fact or

uncalibrated

Fig

Vert ical

controls

connectors

and

indicators

475

and

DM43

DM40

Operat ors

REV

SEPT

1974

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