Tektronix 585A User manual

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the

owner.

Tektronix,

Inc.

Tektronix

International

A.G.

Millikan

Way

Terrassenweg

Box

500

Zug,

Switzerland

Beaverton,

Oregon

PH.

042-49192

,.-'

Phone

4-0161

Cable:

Tekintag,

Zug,

Cables:

Tektronix

Switzerland

070-427 464

CONTENTS

Controls and Connectors

0 0 • 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 • 0 0 0 ,

Oscilloscope/Plug-In Combinations 70 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Probe

Informat'ion 80 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 • 0 0 0 0 0 0 0 0 0 0 0 0 0

Triggering Information 1

0 0 0 0 0 0 0 0

••

0 0 0 0 0 0 0 0 0 0 0 0 0 0

••

0 • 0 ,

Single Sweep Operation

0 0 0 0 • 0 0

••

0 • 0 • 0 0 0 0 0 • 0 0 0 0 0 0

Delay Operation

0 0

••

•••••

0 0 0 0 • 0 0 0 • 0 0 0 0 0 0 0 0 0 0 0 0

••

Miscellaneous Operations

0 0 0 0 0 0 0 0 0 0 0 0 0 0 • 0 0

0 • 0 • 0 0 • 0

585A-l

DOG

ctr

CONTROLS

AND

CONNECTORS

Time-Base Controls

TRIGGERING

LEVEL

and

Determines the point on the triggering waveform

which

the sweep

will

start.

STABILITY

and

Adjusts the sweep

for

triggered

free running opera-

tion. Can generally be turned full left to

PRESET

for

trig-

gered' operation, except for a

few

extremely

difficult

trig-

gering applications. For free-running operation, STABILITY

control

turned full right.

TRIGGER

SLOPE

and

Determines whether triggering occurs during the rise

the triggering waveform

(+)

during the

fall

the trig-

geri

waveform

(-).

TRIGGERING

SOURCE

(Time-Base

Selects the triggering signal source -signal being dis-

played (INT AC, INT

REJECT,

INT

SYNC),

power line signal (LINE),

signal coupled to TRIGGER

INPUT connector

(EXT

AC,

EXT

DC,

EXT

HF SYNC).

TRIGGERING

SOURCE

(Time-Base

Selects the triggering signal source -signal being dis-

played (INT AC,

INT AC

REJECT),

power line signal

{LINE},

the signal coupled to TRIGGER INPUT connector

(EXT

AC,

EXT

DC).

585A-l

e...

'.:.

TIME/CM (Time-Base

Determines

sweep

rate

and

horizontal

size

of displayed

waveform. Calibrated

sweep

rates

are

obtained only

when

VARIABLE

control

fully

clockwise.

VARIABLE

(TIME/CM-Time-Base

Provides

continuous

uncalibrated

sweep

rates

between

ranges

of TIME/CM

switch.

UNCALIBRATED

indicator lamp

lights

when

the

VARIABLE

control

turned

away

from

CALI-

BRATED

posi,tion.

TIME/CM

DELAY

TIME

(Time-Base

TIME/CM

DELAY

TIME

switch

has

two

functions.

When

the

HORIZONTAL

DISPLAY

switch

the

B or

the

'B'

INTENSIFIED

'A'

posi,tion,

the

switch

determines

sweep

rate

and

horizontal

size

the

displayed waveform.

When

the

HORIZONTAL

DISPLAY

switch

the

'A'

DLY'D

'B'

position,

the

switch

determines

delay

time

along with

DELAY

TIME

MULTIPLIER

con'trol.

LENGTH

Adjusts

sweep

length of

TIME

BASE

between

approx-

imately 4

and

centimeters.

Turning

control counterclock-

wise

reduces

length of

sweep,

increases

duty cycle,

and

brightens display. Normally

LENGTH

control

set

fully

clockwise.

585A-' 2

Horizontal Controls

HORIZONTAL

DISPLAY

Determines

the

time

base

used

and

the

type of display

presented.

three

TIME

BASE

A positions, A

sweep

connect,ed

to horizontal ampli'fier input.

two

TIME

BASE

B positions, B

sweep

connected to horizontal amplifier

input.

the

two

EXT

positions,

externally derived

sweep

(applied

the

HORIZ

INPUT

connector)

connected

horizontal amplifier input.

X10

posH-ion

of HORIZONTAL

DISPLAY

switch, input signal

external horizontal ampli-

fier

attenuated

times.

INTENSIFIED

lA' position,

TIME

BASE

used

to brighten a portion of

TIME

BASE

the

lA'

DLY'D

'B'

position, brightened pori'ion,

seen

the

'B'

INTEN-

SIFIED

'A' position,

expanded

the

full width of

the

screen.

'A' position only

TIME

BASE

used.

'B'

position only

TIME

BASE

used.

'A'

SINGLE

SWEEP

position,

the

RESET

button controls

the

start

o·f

single

sweep.

all positions of

the

HORIZONTAL

DISPLAY

switch,

except 'A'

and

'A'

SINGLE

SWEEP,

the

delayed trigger

controlled by

TIME

BASE

The

time

base

selected

the

HORIZONTAL

DISPLAY

switch

indicated by

the

lights

above

the

DELAY-TIME

MULTIPLIER

control.

585A-

1 3

MAGNIFIER

Expands

center

two-centimeter portion of displayed wave-

form

to full ten-centimeter width of graticule.

Expanded

portion

determined by setting of HORIZONTAL

POSI-

TION

switch.

Indi'cator lamp

lit

when

the

MAGNIFIER

ON.

RESET

Prepares

sweep

circuits for reception of triggeri

pulse

when

HORIZONTAL

DISPLAY

switch

lA'

SINGLE

SWEEP

position.

EXTERNAL

HORIZ

TTENUATOR

10-1 .

Con'trols

gain of external horizontal amplifier

con-

junction

with HORIZONTAL

DISPLAY

switch.

DELAY-TIME

MULTIPLIER

1-10

Ten-turn

control multiplies setting of either TIME/CM

switch

TIME

BASE

or TIME/CM

DELAY

TIME

switch

TIME

BASE

This

determines

delay

time.

indicator lamp, located above

the

DELAY-TIME

MULTI-

PLIER,

will light designating

the

time

base

used,

accord-

Adjusts

horizontaI

posi'l"ion

of trace.

HORIZONTAL POSITION And

VERNIER

ing

the

setting of

'the

HORIZONTAL

DISPLAY

switch.

585A-l

Checking-Signal Source

AMPLITUDE

CALIBRATOR

Selects

anyone

eighteen square-wave output ampli-

tudes,

from

LLiVOLTS

100

VOLTS.

Crt Controls

SCALE

ILLUM

Controls brightness

graHcule markings.

ASTIGMATISM

Used

conjunction

with

FOCUS

con'trol

obtain sharp-

focused trace.

INTENSITY

Adjusts

brightness

crt display.

FOCUS

Used

conjunction

with

ASTIGMATISM

control

focus

crt

display.

FOCUS

and

ASTIGMATISM

controls are adjust-

ed together

for

best trace definition.

Front-Panel Connectors

TRIGGER

INPUT

and

Connects external triggering signal to trigger circuitry.

TRIGGERING

SOURCE

switch

must

be pla·ced

one

EXT

positions.

585A-l

HORIZ

INPUT

Connects external signal to external horizontal amplifier.

HORIZONTAL

DISPLAY

switch

must

placed

one

EXT

positions to connect external horizontal amplifier to

horizontal amplifier

oscillos'cope.

DLY'D

TRIG

Connector supplies

positive-going delayed trigger out-

put.

GATE

OUT

and

Supplies positive-going waveform with peak value

ap-

proximately

+30

volts. Start and duration.

+GATE

corresponds to start and duration

positive-going sawtooth

waveform available from SAWTOOTH A binding post.

SAWTOOTH A

Supplies a positive-going waveform with peak value

approximately +

150

volts. Start

waveform coincides

with start

lA' sweep.

Rate

which sawtooth

rises

de~

termined by setting

Time-Base

A TIME/CM switch.

CAL

OUT

Supplies 1-

square-wave

TOR

switch.

kc squ

signal

are controlled

-wave output.

by Peak-to-peak

AMPLITUDE

value

CALIBRA-

POWER

Applies power to·the instrument.

585A-'

Position Indicators

BEAM-POSITION INDICATORS

beam

positioned horizontally

vertically

away

from

center

graticule, either

off

screen, appropriate

beam-position indicator lamp lights.

Rear-Panel Connectors

EXTERNAL

CRT

CATHODE

EXTERNAL

CRT

CATHODE binding post should remain

jumpered

the

GND

binding post unless external signal

being fed

for

beam-intensity modulation.

OSCILLOSCOPE/PLUG-IN COMBINATIONS

Compatible

Plug-Ins

Any 80-Series numbered plug-in

will

fit the 580A-Series

oscilloscope directly. If it

desired to

use

one

the Letter-

Series

One-Series plug-ins, the Type

Adapter

Plug-in

must

also be

used

adapt

the sele'cted plug-in to the

05-

Iloscope.

585A-l

Oscilloscopel

Plug-In Characteristics

-IBn

Type

J===~B==a==n==d==p==a==s==s~===:========R==i==se====T==i==m==e========-

nsec

de to

nsec

G de to

de to 30

to-

de to

nsec

3.9 nsec

L .

de to

4 nsec

de to

4nsec

PROBE

INFORMATION

Probe Compensation

The

following brief procedure describes probe co·mpensa-

tion

for

'the

P80,

P6006,

and

P6008

probes.

For

more de-

tailed compensating procedures refer to the manual accom-

panying the probe.

585A-'

....

)

---

......

,··---,-M··

....

~.)

·H~-

i..

. ",-

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