Tektronix D10 Manuale utente

INSTRUCTION,

MANUAL

Serial

hiumber

D10

SINGLE

BEAM

DISPLAY

UNIT

G76

1774

Tektronix,

Inc,

®@

Box

500

Beaverton,

Oregon

97005

Phone

644-0161

Cables:

Tektronix

070-1132-00

671

All

Tektronix

instruments

are

warranted

against

defective

materials

and

workmanship

for

one

year.

Any

questions

with

respect

the

warranty,

mentioned

above

should

taken

with

your

Tektronix

Field

Engineer

Representative.

All

requests

for

repairs

and

replacement

parts

should

directed

the

Tektronix

Field

Office

Representative

your

area.

This

procedure

will

assure

you

the

fastest

possible

service.

Please

include

the

instrument

Type

(or

Part

Number)

and

Serial

Model

Number

with

all

requests

for

parts

service.

Specifications

and

price

change

privileges

reserved.

1971

Tektronix,

Inc.,

Beaverton,

Oregon.

Printed

the

United

States

America.

All

rights

reserved.

Contents

this

publication

may

not

reproduced

any

form

without

permission

the

owner.

U.S.A.

and

foreign

Tektronix

products

covered

U.S.

and foreign

patents

and/or

patents

pending.

—

D10

SECTION

SPECIFICATION

introduction

Table

1-1

Electrical

Characteristics

SECTION

OPERATING

INSTRUCTIONS

Preliminary

Information

Controls

and

Connectors

Basic

Operation

General

Setup

Information

Calibration

Check

Beam

Finder

External

Intensity

Input

General

Operating

Information

Graticule

Intensity

Control

Display

Focus

Trace

Alignment

Adjustment

Beam

Finder

Intensity

Modulation

Calibrator

Display

Photography

Oscilloscope

Applications

SECTION

CIRCUIT

DESCRIPTION

Block

Diagram

Description

Detailed

Circuit

Description

Deflection

Amplifiers

Page

1-1

2-1

2-2

2-3

3-1

CIRCUIT

DESCRIPTION

(cont)

Page

CRT

Circuit

3-1

High-Voltage

Regulator

3-2

High

Voltage

Outputs

3-2

CRT

Control

Circuits

3-2

SECTION

CALIBRATION

Instrument

Maintenance

4.7

Services

Available

4-1

Test

Equipment

Required

4-1

Short-Form

Procedure

and

Index

4-2

Calibration

Procedure

4-2

SECTION

ELECTRICAL

PARTS

LIST

SECTION6

DIAGRAMS

Symbols

and

Reference

Designators

Schematic

Diagrams

and

Component

Board

Locations

SECTION

MECHANICAL

PARTS

LIST

Abbreviations

and

symbols

used

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.

simele

akan

INTENSITY

CALIBRATOR

40000

AmA

ohh

STEP

ATTEN

BAL

TIPLE

BASE

/ARAPL

Fig.

1-1.5103N

Oscilloscope

with

D10

Single

Beam

Display

Unit

D10

®)

D10

Change

information,

any,

affecting

this

section

will

found

the

rear

this

manual.

Introduction

The

D10

Single-Beam

Display

unit

provides

single-

beam

cathode-ray

tube

(CRT)

display

for

Tektronix

5100-series

Oscilloscopes.

The

D10

module

operated

with

power

supply/amplifier

module,

and

comprises

one-half

the

oscilloscope

mainframe.

has

electrostatic-

deflection

CRT

with

division

(one-half

inch

per

division)

internal

black

graticule.

bright

display

provided

3.5-kilovolt

accelerating

potential.

Provision

made

for

application

Z-axis

signals,

and

front-panel

loop

provides

calibration

signal.

The

following

electrical

characteristics

apply

over

ambient

temperature

range

O°C

+50°C.

Refer

the

5100-series

Oscilloscope

System

manual

for

environmental

specifications.

TABLE

1-1

ELECTRICAL

CHARACTERISTICS

Characteristic Performance

Requirement

Supplemental

Information

Cathode-Ray

Tube

Phosphor

P31

standard.

CRT

Accelerating

Voltage

3.5

kilovolts.

Orthogonality

90°,

within

1°.

Geometry

0.1

division

less.

External

Intensity

Input

Useful

Input

Voltage

volts

will

turn

display

normal

brightness

level

from

off

level;

—5

volts

will

turn

display

off

from

normal

brightness

level.

Usable

Frequency

Range

one

megahertz.

Input

and

About

kilohms,

paralleled

about

picofarads.

Maximum

Safe

Input

+50

volts

(DC

peak

AC).

Calibrator

Voltage

400

millivolts,

within

1%.

Current

milliamperes,

within

1%.

Frequency

Twice

the

line

frequency.

Power

Input

Line

Voltage

(RMS)

With

standard

transformer

Nominal

110

120

within

10%.

With

optional

export

transformer

Nominal

100

110

120

200

220

240

within

10%.

1-1

-Specification—D10

ELECTRICAL

CHARACTERISTICS

(cont)

Characteristics

Performance

Requirement

Supplemental

Information

Line

Frequency

Range

hertz

and

400

hertz.

hertz

and

400

hertz.

With

standard

transformer

With

optional

export

transformer

Power

Consumption

140

watts

maximum.

(including

Power

Supply/

Amplifier

module)

1-2

D10

SECTION

ATING

INSTRUCTIONS

Change

information,

any,

affecting

this

section

will

found

the

rear

this

manual.

introduction

The

D10

Single

Beam

display

module

operates

with

Tektronix

5100-series

power

supply/amplifier

module

form

oscilloscope

mainframe.

understanding

the

D10

operation

and

capabilities

essential

for

obtaining

best

results.

This

section

the

manual

gives

brief

func-

tional

description

the

front-panel

controls

and

connec-

tors,

familiarization

procedure,

and

general

operating

information.

Preliminary

Information

The

Operation

Instructions

section

the

5100-series

Oscilloscope

System

instruction

manual

should

referred

for

initial

preparation.

contains

information

for

install-

ation

modules

and

plug-ins,

correct

operating

voltage

and

temperature,

and

general

oscilloscope

usage.

CONTROLS

AND

CONNECTORS

This

brief

description

the

function

operation

the

front-panel

controls

and

connectors.

detailed

in-

formation

given

under

General

Operating

Information.

INTENSITY

Controls

display

brightness.

FOCUS

Provides

adjustment

obtain

well-defined

display.

POWER

Used

turn

instrument

power

off.

BEAM

FINDER

Brings

beam

on-screen;

limits

dis-

play

area

inside

graticule

and

intensifies

beam.

CALIBRATOR

Loop

Provides

positive-going

accurate

400-millivolt

and

4-milliampere

square

wave

frequency

twice

the

line

frequency

for

calibration

and

probe

compensation.

EXT

INTENSITY

INPUT

Connector

Permits

application

Z-axis

signals

the

CRT

(DC

coupled).

Positive-

going

signal

increases

intensity.

TRACE

ROTATION

(Rear

Panel)

Permits

alignment

the

trace

with

respect

the

graticule

lines.

BASIC

OPERATION

General

The

following

steps

demonstrate

the

use

the

controls

and

connectors

the

D10.

recommended

that

this

procedure

followed

completely

for

familiarization

with

this

instrument.

Setup

Information

Make

sure

the

oscilloscope

system

complete.

The

-D10

must

properly

connected

the

power

supply/

amplifier

module

and

the

single-beam

auxiliary

board

must

installed

the

plug-in

interface

board.

5A-series

amplifier

plug-in

should

one

the

vertical

(left

center)

plug-in

compartments

and

5B-series

time-base

plug-in

should

the

horizontal

(right)

compartment.

Set

the

POWER

switch

off

(pushed

in)

and

con-

nect

the

D10

power

source

that

meets

the

voltage

and

frequency

requirements

this

instrument.

See

Operating

Voltage

(Preliminary

Procedure)

the

Operating

Instruc-

tions

section

the

5100-Series

Oscilloscope

System

manual.

3.-Turn

the

INTENSITY

control

counterclockwise

and

pull

the

POWER

switch

out

turn

the

instrument

on.

Set

the

front-panel

controls

follows:

D10

FOCUS

Centered

Amplifier

Plug-in

Display

Position

Centered

Volts/Div

Variable

Volts/Div

Cal

(fully

clockwise)

Input

Coupling

Time-Base

Plug-in

Display

Alternate

(button

out)

Position

Centered

Seconds/Div

Variable

Seconds/Div

Cal

(fully

clockwise)

Sweep

Magnifier

Off

Triggering

Level

Counterclockwise

2-1

Operating

Instructions—D10

Left

(or

Right

the

amplifier

plug-in

the

center

compartment)

Auto

Trig,

Coupling,

Slope,

Normal

Sweep

Triggering

Source

Triggering/Sweep

Mode

Advance

the

INTENSITY

control

until

the

trace

the

desired

viewing

level.

The

trace

should

appear

near

the

graticule

center.

Connect

probe

test

lead

from

the

CALI-

BRATOR

loop

the

amplifier

plug-in

input

connector.

Turn

the

Triggering

Level

control

clockwise

until

stable

display

obtained.

Adjust

the

vertical

and

horizontal

Position

controls

the

display

centered

vertically

and

starts

the

left

edge

the

graticule.

Adjust

the

FOCUS

control

for

sharp,

well-defined

display

over

the

entire

trace

length.

Disconnect

the

input

signal

and

position

the

trace

vertically

coincides

with

the

center

horizontal

line

the

graticule.

the

trace

not

parallel

with

the

center

horizontal

line,

see

Trace

Alignment

Adjustment

this

section.

Calibration

Check

10.

Move

the

trace

two

divisions

below

graticule

center

and

reconnect

the

calibrator

signal

the

amplifier

plug-in

input

connector.

11.

The

display

should

four

divisions

amplitude

with

six

complete

cycles

(five

complete

cycles

for

50-hertz

line

frequency)

shown

horizontally.

incorrect

display

indicates

that

the

oscilloscope

mainframe

plug-ins

need

recalibrated.

See

the

Operating

Instructions

section

the

5100-Series

Oscilloscope

System

manual

for

complete

information.

Beam

Finder

12.

Move

the

display

off-screen

with

the

vertical

Posi-

tion

control.

13.

Push

the

BEAM

FINDER

button

and

observe

that

the

display

compresses

into

the

screen

area.

Reposition

the

display

screen

center

and

release

the

BEAM

FINDER

button.

2-2

External

Intensity

Input

14.

Move

the

calibrator

signal

from

the

amplifier

plug-in

input

connector

the

EXT

INTENSITY

INPUT

con-

nector.

15.

Set

the

Triggering

Source

Line

and

slowly

rotate

the

INTENSITY

control

counterclockwise

until

the

trace

appears

series

dimmed

and

brightened

segments.

The

brightened

segments

correspond

with

the

tops

the

calibrator

square

waves.

This

completes

the

description

the

basic

operating

procedure

for

the

D10.

Instrument

operations

not

ex-

plained

here,

operations

which

need

further

explanation

are

discussed

under

General

Operating

Information.

GENERAL

OPERATING

INFORMATION

Graticule

The

graticule

the

D10

internally

marked

the

faceplate

the

CRT

provide

accurate

no-parallax

measurements.

The

graticule

marked

with

eight

vertical

and

ten

horizontal

divisions.

Each

division

one-half

inch

square.

addition,

each

major

division

divided

into

five

minor

divisions.

The

vertical

gain

and

horizontal

timing

are

calibrated

the

graticule

accurate

measurements

can

made

from

the

graticule.

Intensity

Control

The

intensity

the

display

the

CRT

controlled

the

INTENSITY

control.

This

control

adjusted

the

display

easily

visible

but

not

overly

bright.

will

prob-

ably

require

readjustment

for

different

displays

sweep

rates.

Particular

care

should

exercised

when

only

spot

displayed.

high-intensity

spot

may

burn

the

CRT

phosphor

and

cause

permanent

damage

the

CRT

allowed

remain

too

long.

Display

Focus

well-defined

display

cannot

obtained

with

the

FOCUS

control, even

low

intensity

settings,

adjustment

the

internal

astigmatism

control

may

required.

check

for

proper

setting

the

Astig

control,

slowly

turn

the

FOCUS

control

through

the

optimum

setting

with

signal

displayed

the

CRT

screen.

the

Astig

control

correctly

set,

the

vertical

and

horizontal

portions

the

trace

will

come

into

sharpest

focus

the

same

position

the

FOCUS

control.

Trace

Alignment

Adjustment

free-running

trace

not

parallel

with

the

horizontal

graticule

lines,

set

the

TRACE

ROTATION

adjustment

(rear

panel)

follows:

Position

the

trace

the

center

horizontal

line

and

adjust

the

TRACE

ROTATION

control

the

trace

parallel

with

the

horizontal

graticule

lines.

Beam

Finder

The

BEAM

FINDER

switch

provides

means

locating

display

which

overscans

the

viewing

area

either

vertically

horizontally.

When

the

BEAM

FINDER

switch

pressed,

the

display

compressed

within

the

graticule

area.

locate

and

reposition

overscanned

display,

use

the

following

procedure:

Press

the

BEAM

FINDER

switch,

and

while

holding

in,

increase

the

vertical

and

horizontal deflection

factors

until

the

display

reduced

about

two

divisions

vertically

and

four

divisions

horizontally

(the

horizontal

deflection

needs

reduced

only

when

the

X-Y

mode

opera-

tion).

Adjust

the

vertical

and

horizontal

position

controls

center

the

display

about

the

vertical

and

horizontal

centerlines.

Release

the

BEAM

FINDER

switch;

the

display

should

remain

within

the

viewing

area.

Intensity

Modulation

Intensity

(Z-axis)

modulation

can

used

relate

third

item

electrical

phenomena

the

vertical

(Y-axis)

and

the

horizontal

(X-axis)

coordinates

without

affecting

the

waveshape

the

displayed

signal.

The

Z-axis

modulat-

ing

signal

applied

the

EXT

INTENSITY

INPUT

changes

the

intensity

the

displayed

waveform

provide

this

type

display.

The

voltage

amplitude

required

for

visible

trace

modulation

depends

the

setting

the

INTEN-

SITY

control.

About

volts

will

turn

the

display

normal

brightness

level

from

off

level,

and

about

—5

volts

will

turn

the

display

off

from

normal

brightness

level.

‘““Gray

scale”

intensity

modulation

can

obtained

applying

signals

between

these

levels.

Maximum

safe

input

Operating

Instructions—D10

voltage

—50

volts.

Usable

frequency

range

the

Z-axis

circuit

one

megahertz.

Time

markers

applied

the

EXT

INTENSITY

INPUT

provide

direct

time

reference

the

display.

With

un-

calibrated

horizontal

sweep

X-Y

operation,

the

time

markers

provide

means

reading

time

directly

from

the

display.

However,

the

markers

are

not

time-related

the

displayed

waveform,

single-sweep

display

should

used

(for

internal

sweep

only)

provide

stable

display.

Calibrator

The

internal

calibrator

the

D10

provides

convenient

signal

source

for

checking

basic

vertical

gain

and

sweep

timing.

The

calibrator

signal

also

very

useful

for

adjusting

probe

compensation

described

the

probe

instruction

manual.

The

output

square-wave

voltage

400

millivolts,

within

1%,

and

the

square-wave

current

milliamperes,

within

1%.

The

frequency

the

square-wave

signal

twice

the

power-line

frequency.

The

signal

obtained

clipping

the

probe

the

loop.

Display

Photography

permanent

record

the

CRT

display

can

obtained

with

oscilloscope

camera

system.

The

CRT

bezel

the

D10

provides

integral

mounting

for

Tektronix

oscillo-

scope

camera.

camera

with

light

source

required

illuminate

the

graticule.

The

instruction

manuals

for

the

Tektronix

oscilloscope

cameras

include

complete

instruc-

tions

for

obtaining

waveform

photographs.

Oscilloscope

Applications

The

5100-Series

Oscilloscope,

including

its

associated

display

module

and

plug-in

units,

provides

very

flexible

measurement

system.

Specific

applications

for

the

indi-

vidual

plug-ins

are

described

the

manuals

for

those

units.

Refer

the

Operating

Instructions

section

the

5100-

Series

Oscilloscope

System

manual

for

basic

oscilloscope

applications,

including

peak-to-peak

voltage

measure-

ments,

instantaneous

voltage

measurements,

compari-

son

measurements,

time

duration

measurements,

deter-

mining

frequency,

risetime

measurements,

and

X-Y

phase

measurements.

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