Tektronix 519 Manual de usuario

INSTRUCTION

MIAN

UAL

IMPORTANT

Before

operating

this

instrument,

sure

remove

the

plastic

shipping

clamps

from

the

shock

mounts

the

amplifier

chassis.

These

clamps

should

saved

and

reinstalled

shown

the

sketch

the

instrument

shipped.

sure

the

tongue

inserted

the

chassis

prevent

damage

the

shock

mount.

The

clamp

should

the

same

side

the

shock

mount

the

nut.

SHIPPING

CLAMP

~<a——

WITH

TONGUE

TOWARD

CHASSIS

RUBBER

MOUNT

CHASSIS

Tektronix,

Inc.

S.W.

Millikan

Way

Box

500

Beaverton,

Oregon

97005

Phone

644-0161

Cables:

Tektronix

070-243

rvice

rts

ice

and

Type

519

nTENSITY

ASTIGMATION:

SCALE

JLLUM.

WME

BASE

DELAY

nanosec

fom

sarenon

net

FOCUS

108

204,

‘a

Cod

1900,

RATE

GENERATOR

EXCL

ESISES

xeon?

STEP

GENERATOR

CALIBRAT

oe:

exten

REE

outs

Type

519

TRIGGER

PULSE

AMBLATUOE

SINE:

vee

eco

SeeTeh

Pad

TYPE

S19

OSCILLOSCOPE

SERIAL

PRC

TRONI

INC,

CONTLANTD,

ORD

pret

AMPLITRDE

SNE

seveng

aoe

SYNE

FONETSOM

apy

ene

General

Information

The

Tektronix

Type

519:

Oscilloscope

wide-band

laboratory

instrument

designed

expressly

for

the

observation

and

measurement

high-frequency

phenomena.

Fast

linear

sweeps,

high

CRT

accelerating

potential,

excellent

triggering

sensitivity,

wide-band

trigger

system,

and

vertical

bandwidth

well

beyond

1000

megacycles

permit

accurate

repetitive

and

single-shot

displays

observed

and

photographed

from

fractional-nanosecond

signals.

inter-

nal

delay

line

the

vertical

channel

the

instrument

permits

display

the

leading

edge

the

signal

triggering

the

oscilloscope.

Sweep

delay

control

through

nano-

seconds

permits

viewing

signals

before

and

after

the

main

signal

event.

The

Type

519

incorporates

two

internal

waveform

gen-

erators.

adjustable

repetition-rate

fast-rise

pulse

gen-

erator

and

fast-rise

calibration-step

generator

supply

waveforms

which

can

used

check

the

calibration

the

oscilloscope

itself,

drive

external

devices.

These

wave-

form

generators

meet

most

requirements

complete

test

setup.

VERTICAL-DEFLECTION

SYSTEM

Vertical

Deflection

Factor

With

Type

T519P-A

CRT,

less

than

volts

per

cm.

Exact

CRT

deflection

factor

indicated

CRT

face

mask

each

instrument.

Passband

With Type

T519P-A

CRT,

1000

megacycles

minimum

3-db

down.

Risetime

With

Type

T519P-A

CRT,

less

than

0.35

nanosecond

Input

Impedance

125

ohms.

nanosecond—=10°?

seconds.

SECTION

CHARACTERISTICS

Maximum

Allowable

Input

Power

Vertical

Channel

1.8

watts,

corresponding

volts

rms.

Maximum

Allowable

Peak

Signal

Amplitude

+100

volts.

Repeated

pulses

higher

voltage

may

dam-

age

the

125-ohm

signal

termination

resistor.

Internal

Signal

Delay

Approximately

nanoseconds,

fixed.

Voltage

Standing

Wave

Ratio

Nominally

1.25:1

1000

mc.

TRIGGER

Triggering

Signal

Sources

Internal

from

applied

signals,

internal

from

the

Rate

Gen-

erator,

internal

from

the

Calibration-Step

Generator,

and

external

from

trigger

inputs.

External

Triggering

Signal

Requirements

Pulse

amplitude:

millivolts.

Duration:

nanosecond

longer.

Maximum

permissible

external

triggering

signal:

+10

volts

peak, higher

with

external

attenuators.

Repeti-

tion

rate:

1000

mc.

Internal

Triggering

Signal

Requirements

Pulse

amplitude:

sufficient

signal

produce

trace-

width

deflection

the

screen

(approximately

200

mv).

Dur-

ation:

nanosecond

longer.

Repetition

rate:

1000

mc.

Countdown

sweep

obtained

for

each

trigger

signal

trigger

signal

frequencies

below

the

maximum

sweep

repetition

rate.

Trig-

gering

circuits

countdown

for

trigger

signal

frequencies

1-1

Characteristics—Type

519

higher

than

the

maximum

sweep

repetition

rate.

Sine-wave

trigger

requirements:

1000

mc,

peak-to-peak

external

trigger

input,

200

peak-to-peak

signal

verti-

cal

input.

Pulse

Amplitude

Sync

Single

control

adjusts

pulse

triggering

level

high-fre-

quency

sync.

additional

control

provides

vernier

sync.

Delay

Sweep-start

delay

over

range

nanoseconds.

Per-

mits

waveform

positioned

horizontally

within

the

sweep,

display

selected

time

interval.

TIME

BASE

Sweep

Rates

Nine

Ranges:

10,

20,

50,

100,

200,

500,

and

1000

nano-

seconds

per

centimeter.

Accuracy

Typically

within

indicated

rate on

all

ranges

except

the

2-nanosecond

range,

which

within

3%.

These

specifi-

cations

apply

the

entire

sweep

except

for

the

first

nano-

seconds

(whichever

larger).

Single

Sweeps

Normal

single

sweeps

selected

front-panel

switch.

Trigger

Output

Greater

than

1-volt

pulse

into

ohms

upon

triggering.

Delayed

Gate

Greater

than

1-volt

gate

into

ohms

during

sweep;

delayed

with

respect

Trigger

Output

depending

on the

setting

the

sweep-delay

control.

RATE

GENERATOR

Risetime

Less

than

0.8

nanosecond

(0.5

nanosecond

typical).

Pulse

Repetition

Rate

cps

kc,

continuously

variable.

1-2

Pulse

Duration

nanoseconds

—

20%

the

50%

amplitude

points.

Output

Impedance

ohms.

Amplitude

Approximately

+15

volts.

CALIBRATION-STEP

GENERATOR

Risetime

Approximately

0.1

nanosecond.

Repetition

Rate

Adjustable

from 400

850

step

waveforms

per

second;

normally

operated

near

reed-switch

resonant

frequency

approximately

750

steps

per

second.

Output

Impedance

125

ohms.

Amplitude

Into

125

ohms,

volts.

Into

ohms

through

T50/T125

adapter,

volt.

Voltages

applied

both

impedances

are

continuously

variable

and

calibrated.

Uncalibrated

volt-

ages

50 volts

into

125

ohms.

Polarity

The

ouput

polarity

can

selected

front-panel

switch.

CATHODE

RAY

TUBE

Type

T519P-A

Phosphors

Type

P11

phosphor

standard

(recommended

for

single-shot

photographic

recording

fastest

sweep

rate).

Other

phos-

phors

available

only

special

request.

Usable

Viewing

Area

Two

centimeters

vertical,

six

centimeters

horizontal.

Accelerating

Voltage

kv.

Spot

Diameter

0.004

inch

(approximately

0.1

mm)

normal

intensity.

Deflection

Electrostatic.

Vertical

deflection

system

125-ohm

dis-

tributed-constant

delay

line.

Conventional

horizontal

deflec-

tion

plates.

CONSTRUCTION

AND

POWER

REQUIREMENTS

Construction

Single-unit

construction

with

light-weight

aluminum-alloy

chassis

and

four-piece

vinyl-finish

cabinet.

Side

panels,

top

and

bottom

panels

are

separately

removable.

Ventilation

Filtered

forced

air

with

protective

thermal

cutout

insures

safe

operating

temperatures.

Dimensions

Approximately

221%,"

high,

1434,”

wide,

and

251%,”

long.

Characteristics—Type

519

Power

Requirements

105

125

210

250

volts,

cycles,

approxi-

mately

650

watts.

ACCESSORIES

Information

accessories

for

use

with

this

instrument

included

the

rear

the

mechanical

parts

list.

1-3

Operating

Information—Type

519

INTENSITY

ASTIGMATISM

SCALE

ILLUM.

TYPE

S19

OSCILLOSCOPE

SERIAL

TEKTRONIX,

INC.

PORTLAND,

OREGON.

U.S.

POSITIONING

VERTICAL

HORIZONTAL

AXIS

ROTATION

yas

TIME

BASE

NANOSEC

/CM

OPREK,

O8ELT

1990.

NIN

sooo!

uate:

DELAYED

GATE

son

SINGLE

end

normat

Sweer

one

RATE

GENERATOR

MULTIPLIER

CYCLES/SEC

RMULT

I1@

gio

KIGOO

RATE

son

PULSE

AMPLITUDE

SYNC

TRIGGER

SOURCE

TRIGGER

OPERATION

PULSE

AMPLITUDE

SYNC

vunctian

HFS

BEST

PULSE

SENESTIITY

JUST

EFORE

ARROW,

VERNIER

SYNC

FUNCTION

@witct

APRROKOMATELY

FOG

RES

mare,

SYNC

BIOME

KEN,

SYNG

ror

unsE

taacyenes.

FUNCTION

GAIN

SwiTcH

pene

Pee

NALS

EXUEEDING

820

VOLTS

pasty

TRIGRENE

EXQEKOING

£2

VOLTS.

KES

POR

SMALL

AMPLITUDE

TemGERS

some,

POWER

oie

atti.

till

STEP

nes

Hehe

RET

turn

STANDBY

exrens

eee

VARIABLE

cLesune

POLARITY

DRIVE

INPUTS

REED

SWITCH

FREQUENCY

EXTERNAL.

TRIGGER

128

MAX.

PEAK

SxCEPY

BDV

MAK.

PEAK

TREER

GIR

BEY

MAR

DEO

TORS,

ORF

MAR.

ROLE

2-0

Fig.

2-1.

Type

519

Oscilloscope

front

panel.

Introduction

The

Type

519

Oscilloscope

high

speed

laboratory

instrument

designed

for

observing,

measuring,

and

photo-

graphically

recording

phenomena

the

nanosecond

(milli-

microsecond)

domain.

However,

before

the

instrument

can

used

successfully,

important

for

you

have

un-

derstanding

the

operation

each

control.

This

section

the

Instruction

Manual

intended

help

you

acquire

this

understanding.

Much

the

familiarity

with

the

controls

will

come

only

with

actual

use

the

instrument.

brief

description

each

the

front-panel

controls

follows.

Front-

panel

markings

are

shown

Fig.

2-1.

FUNCTION

CONTROLS

CRT

FOCUS

Used

conjuction

with

the

ASTIGMATISM

control

focus

the

oscilloscope

trace.

INTENSITY

Adjusts

the

brightness

the

trace.

ASTIGMATISM

—

Used

conjunction

with

the

FOCUS

con-

trol to

obtain

round

spot

and

sharply

focused

trace.

SCALE

ILLUM.

Adjusts

the

brightness

the

graticule

markings.

Graticule

knurled

knob

located

below

the

center

Control

the

graticule

permits

graticule

moved

down

out

the

viewing

area.

TIME

BASE

NANOSEC/CM

Selects

the

desired

time

base.

DELAY

Determines

the

delay

the

start

the

sweep

with

respect

the

trigger

signal

input.

NORMAL-SINGLE

Selects

either

normal

single-sweep

SWEEP

operation.

RATE

GENERATOR

CYCLES/SEC

Used

conjunction

with

the

MULTIPLIER

control

set

the

Rate

Generator

out-

put

frequency.

SECTION

OPERATING

INFORMATION

MULTIPLIER

Multiplier

for

the

CYCLES/SEC

control.

Should

set

OFF

position

when

Rate

Generator

not

being

used.

CALIBRATION-STEP

GENERATOR

RANGE

Selects

full-scale

amplitude

the

cali-

brated

steps,

variable

uncalibrated

step

amplitude,

standby

condition.

Should

set

STANDBY

when

Calibration-Step

Generator

not

being

used.

VARIABLE

Permits

the

step

waveform

preset

arbitrary

desired

amplitude

about

volts

into

125-ohm

load.

VOLTS

Sets

the

output

voltage

the

calibration-

step

waveform

the

10V

and

posi-

tions

the

RANGE

switch.

REED

SWITCH:

DRIVE

Adjusts

the

reed-switch

magnetic

excita-

tion

for

proper

closures

permits

single

reed

operation.

FREQUENCY

Controls

frequency

the

reed-switch

mag-

netic

excitation

help

minimize

contact

bounce.

TRIGGER

PULSE

AMPLI-

Selects

triggering

signal

amplitude

re-

TUDE

SYNC

quired

operate

triggering

circuits,

ad-

justs

synchronization.

VERNIER

SYNC

Used

conjunction

with

PULSE

AMPLI-

TUDE

SYNC

control

synchronize

the

sweep.

FUNCTION

Permits

choice

triggered

synchronized

displays.

GAIN

Selects

proper

gain

attenuation

for

the

triggering

signal.

TRIGGER

Selects

the

triggering

signal

source

and

SOURCE

polarity.

Also

see

TRIGGER

OPERATION

section

front-panel,

Fig.

2-1.

2-1

Operating

Information—Type

519

POSITIONING

VERTICAL

Adjusts

the

vertical

position

the

trace.

AXIS

ROTA-

Aligns

the

trace

parallel

the

horizontal

TION

graticule

lines.

HORIZONTAL

—

Adjusts

the

horizontal

position

the

trace.

POWER

DIM

ADJ.

Used

adjust

the

brightness

pilot

light

after

45-second

warm-up

period.

line

switch.

PRELIMINARY

INSTRUCTIONS

Cooling

blower

maintains

safe

operating

temperature

the

Type

519

Oscilloscope

drawing

air

through

filter

and

circulating

over

the

components.

Therefore,

the

instru-

ment

must

placed

that

the

air

intake

and

cabinet

ventilating

holes

are

not

blocked.

The

air

filter

must

kept

clean

permit

adequate

air

flow.

thermal

cutout

switch

disconnects

the

power

the

instrument

becomes

overheated.

The

pilot

lamp

will

re-

turn

full

brightness

the

event

that

power

lost.

Brown-Yellow-Green

beats

Black-White

117-VOLT

OPERATION

Brown-Yellow-Green

Brown-Yellow-

Brown

Black-White

234-VOLT

OPERATION

this

happens,

check

immediately

for

proper

airflow

into

the

instrument. The

blower

continues

cool

the

interior

and

reduces

the

time

the

thermal

switch

remains

open.

power

will

restored

when

the

temperature

drops

safe

value.

Power

Requirements

The

regulated

power

supplies

the

Type

519

Oscillo-

scope

will

operate

with

line

voltages

from

105

125

volts

(117

nominal)

from

210

250

volts

(234

nominal).

The

line

voltage

for

which

your

instrument

wired

the

factory

indicated

metal

tag

fastened

the

rear

panel

near

the

power

receptacle.

Transformer

connections

may

changed

for

either

117-

234-volt

operation

using

the

information

given

Fig.

2-2.

The

power

trans-

former

wound

with

two

117-volt

primaries

which

are

connected

parallel

for

117-volt

operation

and

series

for

234-volt

operation.

Since

the

blower

motor

connected

across

only

one

the

transformer

primaries,

change

the

motor

lead

connections

required.

When

the

trans-

former

connections

are

changed,

the

voltage

indicated

the

metal

tag

should

covered

with

another

tag

which

conforms

the

new

operating

voltage.

For

maximum

dependability

and

long

life,

the

line

voltage

applied

the

Type

519

Oscilloscope

should

near

the

voltage

indicated

the

metal

tag

located

near

the

power

receptacle

the

rear

the

instrument.

the

line

voltage

exceeds

the

operating

limits,

has

poor

waveform

(dis-

torted

sine

waves),

unstable

power-supply

operation

may

Fig.

2-2.

Power

transformer

connections

for

operation

the

Type

519 Oscilloscope

117

234

volts.

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