HP 8447D Manuale operativo

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2

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OPERATION

AND

SERVICE

MANUAL

8447D

8447E

8447F

AMPLIFIER

0.1—1300

MHz

CERTIFICATION

Hewlett-Packard

Company

certifies

that

this

product

met

its

published

specifications

at

the

time

of

shipment

from

the

factory.

Hewlett-Packard

further

certifies

that

its

calibration

measurements

are

traceable

to

the

United

States

National

Bureau

of

Standards,

to

the

extent

allowed

by

the

Bureau’s

calibration

facility,

and

to

the

calibration

facilities

of

other

International

Standards

Organization

members.

WARRANTY

This

Hewlett-Packard

instrument

product

is

warranted

against

defects

in

material

and

workmanship

for

a

period

of

one

year

from

date

of

shipment.

During

the

warranty

period,

Hewlett-Packard

Com¬

pany

will,

at

its

option,

either

repair

or

replace

products

which

prove

to

be

defective.

For

warranty

service

or

repair,

this

product

must

be

returned

to

a

service

facility

designated

by

HP.

Buyer

shall

prepay

shipping

charges

to

HP

and

HP

shall

pay

shipping

charges

to

return

the

product

to

Buyer.

However,

Buyer

shall

pay

all

shipping

charges,

duties,

and

taxes

for

products

returned

to

HP

from

another

country.

HP

warrants

that

its

software

and

firmware

designated

by

HP

for

use

with

an

instrument

will

execute

its

programming

instructions

when

properly

installed

on

that

instrument.

HP

does

not

warrant

that

the

operation

of

the

instrument,

or

software,

or

firmware

will

be

uninterrupted

or

error

free.

LIMITATION

OF

WARRANTY

The

foregoing

warranty

shall

not

apply

to

defects

resulting

from

improper

or

inadequate

maintenance

by

Buyer,

Buyer-supplied

software

or

interfacing,

unauthorized

modification

or

misuse,

operation

outside

of

the

environmental

specifications

for

the

product,

or

improper

site

preparation

or

main¬

tenance.

NO

OTHER

WARRANTY

IS

EXPRESSED

OR

IMPLIED.

HP

SPECIFICALLY

DISCLAIMS

THE

IM¬

PLIED

WARRANTIES

OF

MERCHANTABILITY

AND

FITNESS

FOR

A

PARTICULAR

PURPOSE.

EXCLUSIVE

REMEDIES

THE

REMEDIES

PROVIDED

HEREIN

ARE

BUYER’S

SOLE

AND

EXCLUSIVE

REMEDIES.

HP

SHALL

NOT

BE

LIABLE

FOR

ANY

DIRECT,

INDIRECT,

SPECIAL,

INCIDENTAL,

OR

CONSE¬

QUENTIAL

DAMAGES,

WHETHER

BASED

ON

CONTRACT,

TORT,

OR

ANY

OTHER

LEGAL

THEORY.

ASSISTANCE

Product

maintenance

agreements

and

other

customer

assistance

agreements

are

available

for

Hewlett-

Packard

products.

For

any

assistance

,

contact

your

nearest

Hewlett-Packard

Sales

and

Service

Office.

Addresses

are

provided

at

the

back

of

this

manual

WhlM

HEWLETT

mHHM

PACKARD

OPERATION

AND

SERVICE

MANUAL

8447D

8447E

8447F

AMPLIFIER

0.1—1300

MHz

SERIAL

NUMBERS

This

manual

applies

directly

to

instruments

with

the

following

serial

number

prefixes:

8447D:

1937A

8447E:

1937A

8447F:1937A

With

changes

described

in

MANUAL

BACK¬

DATING

CHANGES,

this

manual

also

applies

to

instruments

with

serial

numbers

prefixed

0933A,

1145A,

1529A,

1616A,

1644A,

1726A.

For

additional

important

information

about

serial

numbers,

see

INSTRUMENTS

COVERED

BY

MANUAL.

Copyright

©

1973,

1980,

HEWLETT-PACKARD

COMPANY

1400

FOUNTAIN

GROVE

PARKWAY,

SANTA

ROSA,

CALIFORNIA,

95404,

U.S.A.

MANUAL

PART

NUMBER

08447-90033

Printed:

SEPTEMBER

1980

SAFETY

CONSIDERATIONS

GENERAL

This

product

and

related

documentation

must

be

reviewed

for

familiarization

with

safety

markings

and

instructions

before

operation.

This

product

has

been

designed

and

tested

in

accordance

with

inter¬

national

standards.

SAFETY

SYMBOLS

SAFETY

EARTH

GROUND

This

is

a

Safety

Class

I

product

(provided

with

a

protective

earthing

terminal).

An

uninterruptible

safety

earth

ground

must

be

provided

from

the

main

power

source

to

the

product

input

wiring

ter¬

minals,

power

cord,

or

supplied

power

cord

set.

Whenever

it

is

likely

that

the

protection

has

been

impaired,

the

product

must

be

made

inoperative

and

be

secured

against

any

unintended

operation.

Instruction

manual

symbol:

the

product

will

be

marked

with

this

symbol

when

it

is

necessary

for

the

user

to

refer

to

the

instruc¬

tion

manual

(refer

to

Table

of

Contents).

BEFORE

APPLYING

POWER

Verify

that

the

product

is

configured

to

match

the

available

main

power

source

per

the

input

power

configuration

instructions

provided

in

this

manual.

Indicates

hazardous

voltages.

X

Indicates

earth

(ground)

terminal.

WARNING

The

WARNING

sign

denotes

a

hazard.

It

calls

attention

to

a

procedure,

practice,

or

the

like,

which,

if

not

correctly

performed

or

adhered

to,

could

result

in

personal

injury.

Do

not

proceed

beyond

a

WARNING

sign

until

the

indicated

conditions

are

fully

understood

and

met.

CAUTION

The

CAUTION

sign

denotes

a

hazard.

It

calls

attention

to

an

operating

procedure,

practice,

or

the

like,

which,

if

not

correctly

performed

or

adhered

to,

could

result

in

damage

to

or

destruc¬

tion

of

part

or

all

of

the

product.

Do

not

proceed

beyond

a

CAU¬

TION

sign

until

the

indicated

conditions

are

fully

understood

and

met.

If

this

product

is

to

be

energized

via

an

autotrans¬

former

make

sure

the

common

terminal

is

con¬

nected

to

the

neutral

(grounded

side

of

mains

supply).

SERVICING

WARNING

|

Any

servicing,

adjustment,

maintenance,

or

repair

of

this

product

must

be

per¬

formed

only

by

qualified

personnel

Adjustments

described

in

this

manual

may

be

performed

with

power

supplied

to

the

product

while

protective

covers

are

removed.

Energy

available

at

many

points

may,

if

contacted,

result

in

per¬

sonal

injury

.

Capacitors

inside

this

product

may

still

be

charged

even

when

disconnected

from

its

power

source.

To

avoid

a

fire

hazard,

only

fuses

with

the

required

current

rating

and

of

the

specified

type

(normal

blow,

time

delay,

etc.)

are

to

be

used

for

replacement.

Model

8447D/E/F

Page

1

1.

GENERAL

INFORMATION

2.

The

HP

Models

8447D,

8447E

and

8447F

are

general

purpose,

wideband

amplifiers.

Each

instru¬

ment

consists

of

a

power

supply

and

one

or

two

thin

film,

hybrid,

integrated

circuit

amplifiers.

The

thin

film

amplifiers

are

hermetically

sealed

and

feature

low

noise,

low

distortion,

flat

frequency

response,

and

long

term

stability

and

reliability.

3.

The

HP

Model

8447D

Amplifier

is

a

pre¬

amplifier

that

provides

26

dB

of

gain

to

signals

from

100

kHz

to

1.3

GHz.

It

can

be

used

to

increase

the

sensitivity

of

any

lab,

shop

or

field

device

operating

within

its

frequency

range.

4.

The

HP

Model

8447E

Amplifier

is

a

power

amplifier

that

provides

22

dB

of

gain

to

signals

from

100

kHz

to

1.3

GHz.

It

can

be

used

to

increase

the

output

power

of

signal

generators,

-sweepers

and

similar

devices

operating

within

its

frequency

range.

5.

The

HP

Model

8447F

Amplifier

contains

a

preamplifier

and

a

power

amplifier

—

the

same

thin

film

amplifiers

used

in

the

HP

8447D

and

HP

8447E.

The

input

and

output

ports

of

both

amplifiers

are

available

on

the

front

panel;

they

can

be

used

separately

or

cascaded

to

provide

48

dB

of

gain.

Table

1.

Specifications

8447D

PRE

AMP

844

7E

POWER

AMP

844

7F

PRE

AMP

POWER

AMP

Frequency

Range

0.1

to

1300

MHz

0.1

to

1300

MHz

0.1

to

1300

MHz

0.1

to

1300

MHz

Typical

3

dB

Bandwidth

.05

to

1400

MHz

.05

to

1400

MHz

.05

to

1400

MHz

.05

to

1400

MHz

Mean

Gain

(20°

-

30°C)

26

dB

Minimum

22

dB

±1.5

dB

26

dB

Minimum

22

dB

±1.5

dB

Gain

Flatness

Across

Full

Frequency

Range

±1.5

dB

±1.5

dB

±1.5

dB

-

*

---

t

-

±

1.5

dB

Noise

Figure

<

8.5

dB

<11

dB

(Typical)

<

8.5

dB

—

:

—

:

-

<11

dB

(Typical)

Output

Power

for

1

dB

Gain

Compression

>+7

dBm

(Typical)

>+-15

dBm

>+7

dBm

(Typical)

>+15

dBm

Harmonic

Distortion

-30

dB

for

+10

dBm

output

—30

dB

for

0

dBm

output

(Typical)

—30

dB

for

+10

dBm

output

Typical

Output

for

<

—

60

dB

Harmonic

Distortion

-30

dBm

“20

dBm

-30

dBm

“20

dBm

VSWR,

1

to

1300

MHz

<2.0

INPUT

<2.2

OUTPUT

<

2.2

<

2.0

INPUT

<

2.2

OUTPUT

<2.2

Impedance

500

50

0

50

0

500

Reverse

Isolation

>40

dB

>40

dB

>40

dB

>40

dB

Maximum

DC

Voltage

Input

+

10

V

±10

V

±

10

V

±10

V

Typical

Risetime

400

psec

420

psec

400

psec

420

psec

Typical

Group

Delay

1.1

nsec*

1.5

nsec**

1.1

nsec*

1.5

nsec**

Page

2

Model

8447D/E/F

Table

1.

Specifications

(Cont’d)

8447D

8447E

8447F

PRE

AMP

POWER

AMP

PRE

AMP

POWER

AMP

Net

Weight;

Option

001

3

lbs.,

8

oz.

(1,59

kg.)

3

lbs.,

14

oz.

(1,75

kg.)

3

lbs.,

10

oz.

(1,64

kg.)

4

lbs.,

1

oz.

(1,84

kg.)

3

lbs.,

8

oz.

(1,59

kg.)

3

lbs.,

14

oz.

(1,75

kg.)

Option

010

Option

Oil

3

lbs.,

10

oz.

(1,64

kg.)

4

lbs.,

1

o

2.

(1,84

kg.)

.

Dimensions

8-1/2

inches

(216

mm)

by

5-1/8

inches

(130

mm)

by

3-3/8

inches

(85,

8

mm)

Power

Requirements

115

or

230

Vac

±10%,

48

to

440

Hz,

15

Watts,

27

VA

max.

*

Variation

over

any

50

MHz

band

from

0.1

-

1300

MHz

is

typically

<

0.15

nsec.

*’

►

Variation

over

any

50

MHz

band

from

0.1

—

1300

MHz

is

typically

<

0.25

nsec.

6.

OPTIONS

7.

The

HP

Model

8447D

is

a

single

preamplifier

with

BNC

connectors.

However,

to

provide

flexi¬

bility,

three

options

are

offered:

a.

Option

001

-

dual

preamplifier,

BNC

connectors.

b.

Option

010

—

single

preamplifier,

Type

N

connectors.

c.

Option

Oil

—

dual

preamplifier.

Type

N

connectors.

8.

The

HP

Model

8447E

is

a

power

amplifier

with

BNC

connectors;

one

option

is

offered:

Option

010

—

Type

N

connectors.

9.

The

HP

Model

8447F

is

a

preamplifier

and

a

power

amplifier

with

BNC

connectors;

one

option

is

offered:

Option

010

—

Type

N

connectors.

NOTE

AH

dual

amplifier

options

with

Type

N

connectors

are

furnished

with

a

rigid

coaxial

cable

(W6)

that

can

be

used

to>

cascade

the

amplifiers

with

minimum

loss.

10.

INSTRUMENTS

COVERED

BY

MANUAL

11.

This

manual

fully

documents

the

HP

8447D,

HP

8447E

and

the

HP

844

7F.

Any

references

in

the

manual

apply

to

all

three

amplifiers

unless

otherwise

noted.

12.

Each

amplifier

has

a

ten

digit

serial

number

on

the

serial

plate

on

the

rear

panel;

the

first

five

digits

of

the

serial

number

are

a

prefix.

The

contents

of

this

manual

apply

directly

to

instru¬

ments

with

the

same

serial

number

prefix

as

listed

after

SERIAL

NUMBERS

on

the

inside

title

page.

13.

Revisions

required

to

adapt

the

manual

to

other

serial

number

prefixes

are

contained

in

a

yellow

“Manual

Changes”

insert

supplied

with

the

manual.

For

information

about

serial

number

prefixes

not

listed

on

the

title

page

or

in

the

insert,

contact

your

nearest

Hewlett-Packard

office.

14.

INITIAL

INSPECTION

15.

Mechanical

Check

16.

If

damage

to

the

shipping

carton

is

evident,

ask

the

carrier’s

agent

to

be

present

when

the

instrument

is

unpacked.

Inspect

the

instrument

for

mechanical

damage.

Also

check

the

cushioning

material

for

signs

of

severe

stress.

Model

8447D/E/F

Page

3

17.

Performance

Check

18.

The

electrical

performance

of

an

amplifier

should

be

verified

upon

receipt.

Performance

checks

suitable

for

incoming

inspection

are

given

in

paragraphs

55

through

58.

19.

Claims

for

Damage

20.

If

the

instrument

is

mechanically

damaged

in

transit,

notify

the

carrier

and

the

nearest

Hewlett-

Packard

field

office

immediately.

A

list

of

field

offices

is

contained

in

the

back

of

this

manual.

Retain

the

shipping

carton

and

padding

material

for

the

carrier’s

inspection.

The

field

office

will

arrange

for

replacement

or

repair

of

your

instru¬

ment

without

delay

for

claim

settlements

against

the

carrier.

Before

shipment,

this

instrument

was

inspected

and

found

free

of

mechanical

and

elec¬

trical

defects.

If

there

is

any

deficiency,

or

if

electrical

performance

is

not

within

specifications,

notify

your

nearest

Hewlett-Packard

sales

and

service

office.

21.

PREPARATION

FOR

USE

22.

Power

Requirements

23.

The

amplifier

operates

from

115

or

230

volts

ac

line

voltage

at

any

line

frequency

between

48

and

440

Hz.

A

slide

switch

on

the

rear

panel

is

set

to

the

correct

position

for

the

line

voltage

available.

24.

Power

Cable

25.

To

protect

operating

personnel,

the

National

Electrical

Manufacturer’s

Association

(NEMA)

rec¬

ommends

that

the

instrument

panel

and

cabinet

be

grounded.

All

Hewlett-Packard

instruments

are

equipped

with

a

three-conductor

power

cable

which,

when

plugged

into

the

appropriate

recep¬

tacle,

grounds

the

instrument.

The

offset

pin

on

the

power

cable’s

three-prong

connector

is

the

ground

wire.

The

power

cord

and

power

input

connector

meet

the

specifications

established

by

the

International

Electrotechnical

Commission

(IEC).

26.

Mating

Connectors

27.

Mating

connectors

used

with

the

amplifier

should

be

50-ohm

type

BNC

male.

If

the

amplifier

has

the

optional

Type

N

connectors,

use

Type

N

male

connectors

that

are

compatible

with

US

MIL-C-39012.

28.

Operating

Environment

29.

The

operating

range

of

the

amplifier

is

from

0°C

to

+5

50

c.

The

amplifier

can

be

stored

in

a

temperature

range

of

—40°C

to

+75°C.

30.

Bench

Mounting

31.

The

amplifier

is

equipped

with

plastic

feet

and

tilt

stand

in

place,

ready

for

use

as

a

bench

instrument.

32.

Rack

Mounting

33.

The

amplifier

may

be

rack

mounted

by

using

an

adapter

frame.

The

adapter

frame

is

a

rack

frame

that

accepts

several

combinations

of

sub-

modular

units.

For

additional

information,

address

inquiries

to

your

nearest

Hewlett-Packard

sales

and

service

office.

34.

STORAGE

AND

SHIPMENT

35.

Packaging

36.

The

following

paragraphs

contain

a

general

guide

to

repackaging

of

the

instrument

for

ship¬

ment.

Refer

to

paragraph

38

if

the

original

container

is

to

be

used;

refer

to

paragraph

40

if

it

is

not.

37.

If

the

instrument

is

to

be

shipped

to

Hewlett-

Packard

for

service

or

repairs,

attach

a

tag

to

the

instrument

identifying

the

owner

and

indicating

the

service

or

repair

required;

include

the

model

number

and

full

serial

number

of

the

instrument.

38.

Original

Packaging

39.

If

original

container

is

to

be

used,

proceed

as

follows:

a.

Place

instrument

in

original

container.

If

it

is

not

available,

a

suitable

container

can

be

pur¬

chased

from

your

nearest

Hewlett-Packard

sales

and

service

office.

b.

Be

sure

the

container

is

well

sealed

with

strong

tape

or

metal

band.

OUTPUT

POWER

IdBml

Page

4

Model

8447D/E/F

FREQUENCY

(MH2)

Gain

vs.

Frequency

vs.

Temperature

(§

F.

80

MHz

^

F„

65

MHz

-40-30

-20-10

0

+10+20+30

INPUT

POWER

(dBm)

/

SiS

F,

130QMHZ

&//s

1

q//S

F,

1280

MHz

-40

-30

-20

-10

0

+10

+20

+30

INPUT

POWER

(dBm)

Intermodulation

Intercept

Points

100

400

700

1000

1300

FREQUENCY

(MHz)

n—i_i_i

SPEC

-

-»—

400

700

FREQUENCY

(MHz)

Output

Power

(1

dB

Compression)

vs.

Frequency

Noise

Figure

vs.

Frequency

Figure

1.

Typical

Preamplifier

Performance

Curves

Model

8447D/E/F

Page

5

Figure

2.

Typical

Power

Amplifier

Performance

Curves

Page

6

Model

S447D/E/F

Table

2.

Recommended

Test

Equipment

and

Accessories

Instrument

Type

Minimum

Specifications

Suggested

Model

Use*

Generator/Sweeper

Frequency

Range:

0.1

to

110

MHz

Flatness:

±0.25

dB

over

full

range

Output

Level:

+10

dBm

minimum

Frequency

Accuracy:

1%

+100

KHz

Compatible

with

Network

Analyzer

HP

8601A

P,T

Sweep

Oscillator

Frequency

Range:

0.1

to

1.3

GHz

Flatness:

0.7

dB

over

full

range

Output

Level:

+10

dBm

minimum

Frequency

Accuracy:

+20

MHz

Compatible

with

Network

Analyzer

HP

8620A/8621A

P,T

Network

Analyzer

(0.1-110

MHz)

System

(with

a

swept

source)

capable

of

measuring

amplitude

of

reflected

signals

(return

loss).

Frequency

Range:

0.1

to

1300

MHz

Resolution:

0.25

dB

Accuracy:

±6%

HP

8407A

P

Network

Analyzer

(0.11-1.3

GHz)

HP

8410A

Phase-Magnitude

Display

HP

8412A

Harmonic

Fre¬

quency

Converter

HP

8411A

S-Parameter

Test

Set

HP

8745A

Universal

Extension

HP

11604A

Transmission

Kit

HP

11651A

Accessory

Kit

HP

11570A

Spectrum

Analyzer

RF

Section

Frequency

Range:

10—1300

MHz

Dynamic

Range:

60

dB

minimum

Scan

Width:

800

MHz

minimum

Spurious

Responses:

<-60

dB

Absolute

amplitude

calibration.

Variable

persistance

display.

HP

8555A

P

Spectrum

Analyzer

IF

Section

HP

8552A

Display

Section

HP

141T

Noise

Figure

Meter

Frequency

Range:

0.1—1300

MHz

Noise

Figure

Range:

0—15

dB

HP

342A

P

VHF

Noise

Source

Accuracy:

±0.5

dB

Excess

Noise

Ratio:

6.3

+0.5

dB

HP

343A

UHF

Noise

Source

HP

349A