Agilent 70310A Installation and Verification Manual

Installation and Verication Manual

HP 70310A

Precision Frequency Reference

ABCDE

70310-90059

.

No

art

P

HP

July

A

US

Printed

in

1994

Notice

The information contained in this document is subject to change without notice.

Hewlett-Packard makes no warranty of any kind with regard to this material, including,

but not limited to, the implied warranties of merchantability and tness for a particular

purpose. Hewlett-Packard shall not be liable for errors contained herein or for incidental or

consequential damages in connection with the furnishing, performance, or use of this material.

Restricted Rights Legend.

Use, duplication, or disclosure by the U.S. Government is subject to restrictions as set forth

in subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause at

DFARS 252.227-7013 for DOD agencies, and subparagraphs (c) (1) and (c) (2) of the Commercial

Computer Software Restricted Rights clause at FAR 52.227-19 for other agencies.

c



Copyright Hewlett-Packard Company 1994

under

Santa

adaptation,

Rosa,

Rights

All

prohibited,

is

Fountaingrove

1400

Reserved.

except

Reproduction,

allowed

as

arkway

P

,

the

CA

or

copyright

95403-1799,

translation

.

laws

USA

without

prior

written

permission

Certication

Hewlett-Packard Company certies that this product met its published specications at the

time of shipment from the factory. Hewlett-Packard further certies that its calibration

measurements are traceable to the United States National Institute of Standards and

Technology, to the extent allowed by the Institute'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 Company 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

Hewlett-Packard. Buyer shall prepay shipping charges to Hewlett-Packard and Hewlett-Packard

shall pay shipping charges to return the product to Buyer. However, Buyer shall pay all

another

shipping

country

charges,

.

duties,

and taxes

for

products

returned

Hewlett-P

to

ackard

from

Hewlett-P

with an

use

instrument.

that

a

The

,

tion

foregoing

software

Limit

maintenance

misuse

preparation

site

OTHER

NO

DISCLAIMS

ackard warrants

instrument will

Hewlett-P

rmware

or

of

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will

arranty

warranty

Buyer

by

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outside

or

ARRANTY

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IMPLIED

THE

maintenance

that its

software

execute

ackard does

uninterrupted

be

apply

not

shall

Buyer-supplied

,

environmental

the

of

.

EXPRESSED

IS

ARRANTIES

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and

programming

its

warrant

not

or

defects

to

software

OR

OF

rmware

instructions

that

error-free

resulting

interfacing,

or

specications

IMPLIED

.

MERCHANT

designated

when

operation

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improper

from

unauthorized

for

HEWLETT-P

ABILITY

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AND

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properly

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FITNESS

ackard

installed

instrument,

or inadequate

modication

or improper

SPECIFICALL

FOR

PARTICULAR PURPOSE.

Exclusive Remedies

THE REMEDIES PROVIDED HEREIN ARE BUYER'S SOLE AND EXCLUSIVE REMEDIES.

HEWLETT-PACKARD SHALL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL,

CONTRACT

INCIDENT

ANY

OR

AL,

OTHER

CONSEQUENTIAL

OR

LEGAL

THEORY

ASED

AMA

D

GES,

WHETHER

B

.

ON

Assistance

TORT

,

for

on

or

Y

A

,

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 Oce.

iii

Safety Symbols

The following safety symbols are used throughout this manual. Familiarize yourself with each

of the symbols and its meaning before operating this instrument.

The

CAUTION

WARNING

DANGER

CAUTION

not correctly performed or adhered to, could result in damage to or destruction

of the product or the user's work. Do not proceed beyond a

until the indicated conditions are fully understood and met.

The

WARNING

which, if not correctly performed or adhered to, could result in injury

to the user. Do not proceed beyond a

conditions are fully understood and met.

The

DANGER

reader of a procedure which, if not correctly performed or adhered to,

could result in injury or loss of life. Do not proceed beyond a

sign until the indicated conditions are fully understood and met.

sign denotes a hazard. It calls attention to a procedure which, if

CAUTION

sign denotes a hazard. It calls attention to a procedure

WARNING

sign denotes an imminent hazard to people. It warns the

sign until the indicated

sign

DANGER

iv

General Safety Considerations

WARNING

ARNING

W

The instructions in this document are for use by qualied personnel

only.To avoid electrical shock, do not perform any servicing unless you

are qualied to do so.

The opening of covers or removal of parts is likely to expose dangerous

voltages. Disconnect the instrument from all voltage sources while it is

being opened.

The power cord is connected to internal capacitors that may remain live

for ve seconds after disconnecting the plug from its power supply.

This is a Safety Class 1 Product (provided with a protective earthing

ground incorporated in the power cord). The mains plug shall only be

inserted in a socket outlet provided with a protective earth contact.

Any interruption of the protective conductor inside or outside of the

instrument is likely to make the instrument dangerous. Intentional

interruption is prohibited.

For continued protection against re hazard, replace fuse only with

materials

or

it

fuses

has

power

been

properly

cable

to

a

type

same

prohibited.

is

Before

this

grounded

socket

outlet

ratings,

and

instrument

through

provided

(type nA/nV).

is

protective

the

with

switched on,

conductor

protective

The use

make sure

of

earth

of other

the ac

contact.

interruption

Any

outside

or

terminal

Before

circuitry

ailure

F

damage

the

can

instrument

this

has

set

to

the

to

the

of

instrument,

the

in

adapted

power

ac

result

been

instrument

protective

or

personal

switched

is

to

input

when

(grounding)

disconnection

.

injury

make

on,

the

ac

of

correct

power

the

voltage

to

the

conductor,

of the

sure

ac

the

voltage

cable

protective

primary

its

power

could cause

plugged

is

inside

earth

power

source

in.

.

v

General Information

Introduction

The

HP 70310A Installation and Verication Manual

contains information needed to install

and verify the HP 70310A Precision Frequency Reference.For information on installing and

verifying HP 70000 Modular Measurement Systems, refer to the Installation and Verication

Manual for the system master (for example, HP 70900A Local Oscillator).

This manual contains the following ve chapters:

Chapter 1, \General Information," describes the module and its accessories,gives

electrostatic discharge and packaging information, and lists Hewlett-Packard Sales and

Service Oces.

1

Chapter

70000

HP

an

Chapter

specications

Chapter

status/error

module

.

Manual

2, \Installation,"

Modular

\Specications

3,

erication,"

\V

4,

and

,

\Troubleshooting,"

5,

LEDs'

Measurement

provides

lighting,

Conventions

provides information

or

specications

adjusting

for

most

the

error

lists

,"

contains

procedure

a

explains

and

System,

module

information

the

lists

for conguring

separate frequency

as a

and

tests

the

about

module's

the

that

causes

can

probable

codes

installing

and

characteristics

needed to

internal

the

of

generated

be

the

reference.

.

verify module

oven/oscillator.

front-panel

the

by

The following descriptions are used throughout this manual:

Keys physically on an instrument are represented in the following way:

Key .....................................................................

Softkeys, keys dened by software or rmware, are represented in the following way:

Softkey . . ...........................................................

..

way:

..

.

ext

T

Screen

that

appears

.

text

following

represented in

is

CRT

the

on

.

..

.

..

.

the

.

..

.

screen

.

NNNNNNNNNNNNNNNNNNNNNNN

softkey

module

70310A

HP

4

5

KEY

text

in

General

Information 1-1

Module Description

The HP 70310A Precision Frequency Reference is a 1/8-width module designed to plug into HP

70000 Modular Measurement System mainframes. The HP 70310A module provides 10 MHz

and 100 MHz precision reference signals for use by HP 70000 Modular Measurement Systems

and other instruments. The HP 70310A functions either by itself, as a separate frequency

reference, or as a slave to an HP 70000 Modular Measurement System master element such as

the HP 70900A Local Oscillator. When the HP 70310A is congured as a slave, it is controlled

by the master element.

Module Options

The HP 70310A Precision Frequency Reference has the following module options:

Option W30

adds 2 years to the standard 1 year return to Hewlett-Packard service

warranty.

Option 001

Option

002

910

915

Safety

Before operating

and the

safety instructions

according to

adds two distribution ampliers that accept inputs of 5 MHz to 300 MHz. Each

distribution

deletes

power

external-reference signal

an

another

adds

the

adds

amplier has

the HP

70310A module's

pack accessory

of

set

module

service

one input

70310A

.HP

manuals

the

documentation

of 1,

and

internal

Option

5,

2,

normally

that

outputs

three

oven/oscillator

modules

002

MHz

10

or

ship

module

and

.

must

operate

to

with the

verication

and

the

connected

be

.

module

software

external

Considerations

the

familiarize

in

,

this

module

international safety

manual.

standards

yourself

This

However

.

with

module

,

any

has

to

safety

been

ensure

markings

manufactured

operation

safe

on

and

of

.

module

tested

module

the

.

and personal safety of the user and service personnel, the cautions and warnings in this

manual must be followed. Refer to the summary of safety considerations at the front of this

manual.

to

Manual

Modules

Covered

by

Serial Numbers

Attached to the front frame of the module is a serial-number label. The serial number is in two

parts. The rst four digits and letter are the serial number prex; the last

ve digits are the

sux. See Figure 1-1. The prex is the same for all identical modules; it only changes when

a change is made to the module. The sux, however, is assigned sequentially and is dierent

each module

for

under \Serial

listed

General Information

1-2

The

.

Numbers"

contents

of

on

this

the

manual

apply

title

to

page

modules

.

with

the

serial

number

prexes

Figure 1-1. Typical Serial Number Label

Manual Updating Supplement

prex

your

material

other

,

nearest

module

A

listed

that

than

means

Any

for

that

changes

manual.

this

correcting

periodically

Hewlett-P

ackard

Initial

Inspect

is

the

damaged,

manufactured

aect

The

in

\Serial

have

Manual

manual.

the

under

changes

that

errors

request

Sales and

Inspection

should

container

be

shipping

it

after

been

this

latest

Service

kept

manual

this

Numbers"

made

manual

Updating

keep

o

T

Manual

oce

for damage

the

until

was

the manual

on

module

the

to

documented

are

Supplement

the

Updating

.

.If

contents

printed may

since

in

may

manual

as

Supplement

the shipping

the

of

have a

title page

manual

the

Manual

the

contain

also

current

for

container or

shipment

serial number

.This

unlisted serial

was

Updating

information

accurate

and

manual

this

cushioning

have been

prex

printed.

Supplement

for

possible

as

from

checked for

completeness and the module has been checked mechanically and electrically. Refer to the

accessory information on the following pages to nd out what is shipped with the HP 70310A

Precision Frequency Reference.

If the shipping contents are not complete, or the module does not pass the procedures in

ackard

oce

or

will

Chapter

cushioning

the

.

oce

4,

Keep

notify

material

the

nearest

the

shipping

Hewlett-P

shows

materials

signs

ackard oce

stress,

of

for the

notify

carrier's

inspection.

arrange for repair or replacement without waiting for

shipping

the

If

.

the

carrier

as

The

claim settlement.

container

as

well

Hewlett-P

the

ackard

damaged,

is

General

Information 1-3

General Information

1-4

Figure 1-2. HP

70310A Module with A

ccessories

Accessories

The HP 70310A Precision Frequency Reference may be ordered separately or as part of a

precongured HP 70000 Modular Measurement System. Figure 1-2 shows the HP 70310A

module and the accessories that may be shipped with it.

Front and Rear-Panel Features

Figure 1-3 shows the HP 70310A module's front- and rear-panel features.

Front-Panel Status and Error LEDs

All of the front-panel LEDs ash on, then o again, during the module's self-test. Listed below

are the other reasons for each LED to light. For troubleshooting information, refer to Chapter

5.

ACT (Active) LED

LED

CT

A

The

ERR

VEN

O

master

(Error)

LED

COLD

VEN

temperature

oven/oscillator

System

ERR

The

O

The

operating

(internal

EXTERNAL

The

injected

into

lights

(for

LED

lights

LED

REF

rear-panel

the

module

the

when

HP

lights

The

.

,

error

when

VEN

O

example

when an

assembly

(Reference)

lights

LED

EXT

is

70900A).

condition

internal

the

COLD

deleted).

LED

an

when

input.

REF

activated

exists

oven/oscillator

not

is

LED

appropriate

70000

HP

an

by

.

assembly

HP 70310A

in

used

external-reference

Modular

Measurement

not warmed

is

Option

signal

002

is

being

to

up

modules

PLL ERROR (Phase-Lock-Loop Error) LED

The PLL ERROR LED lights when the (internal or external) reference signal is either absent or

incorrect. An external-reference signal

Oscillator

djustment

A

Door

must

be used with HP 70310A Option 002 modules.

The oscillator adjustment door is removed to allow the internal oven/oscillator to be calibrated.

General

Information 1-5

Module Latch

When the module is being installed in or removed from an HP 70000 Modular Measurement

System mainframe, an 8 mm hex-ball driver is used to turn the module latch.

Rear-Panel Inputs and Outputs

A 1 OUT,A2OUT, and A 3 OUT

These distribution-amplier outputs are only present in HP 70310A Option 001 modules. The

output signals are approximately 0 dBm, and are leveled and isolated versions of the signal

being injected into A IN.

B 1 OUT, B 2 OUT, and B 3 OUT

These distribution-amplier outputs are only present in HP 70310A Option 001 modules. The

output signals are approximately 0 dBm, and are leveled and isolated versions of the signal

being injected into B IN.

AIN

signal

The

of

.

and A

to

4

0

3 OUT).

dBm.

+4

distribution-amplier

This

IN

A

injected

The

B

at

input signal

IN

leveled

is

must be

input

and

from

present

only

is

distributed

MHz

300

to

5

to

the

in

70310A

HP

in

outputs

A

frequency

with

,

(A

Option

OUT

1

power

a

001

,

A2

level

modules

OUT,

signal

The

,

of

and

0

.

OUT).

3

B

dBm.

+4

to

4

distribution-amplier

This

IN

B

injected

The

100

This

Measurement

EXT

at

input

MHz

output

PWR

signal

supplies

Systems

leveled

is

must

be

stable

a

.

300

present

MHz

input

and

from

is only

distributed

to

5

frequency-reference

to

the

in

70310A

HP

in

outputs (B

B

frequency,

signal

for

with

use

Option

OUT

1

power

a

by

modules

001

OUT

2

B

,

level

70000 Modular

HP

The external power pack is plugged into this input. The external power pack supplies power

for the heater in the internal oven/oscillator while the system power is turned o.

The EXT PWR input is not present on HP 70310A Option 002 modules (no internal

oven/oscillator).

MHz

10

This output supplies a stable frequency-reference signal.

General Information

1-6

EXT REF

This input allows the use of an external-reference signal. The external-reference input signal

can have a frequency of 1, 2, 5, or 10 MHz, and a power range of05 to +21 dBm. TTL signal

levels are acceptable. Refer to Chapter 3 for external-reference input specications.

When an acceptable external-reference signal is applied to the EXT REF input, the module

automatically switches to the external reference.

HP 70310A Option 002 modules

Option 002 modules do not have an internal oven/oscillator.)

Mainframe/Module Interconnect

This multiple-pin connector plugs into the mainframe and provides the power supplies and

Hewlett-Packard Modular System Interface Bus (HP-MSIB) for the module.

must

have an external-reference signal supplied. (HP 70310A

Figure 1-3. HP 70310A Module's Front- and Rear-P

anel F

eatures

General

Information 1-7

Electrostatic Discharge Information

Electrostatic discharge (ESD) can damage or destroy electronic components. Therefore,

all work performed on assemblies consisting of electronic components should be done at a

static-safe work station.

Figure 1-4 shows an example of a static-safe work station. Two types of ESD protection are

shown: (a) conductive table mat and wrist strap combination, and (b) conductive oor mat

and heel strap combination. The two types must be used together to ensure adequate ESD

protection. Refer to Table 1-1 for a list of static-safe accessories and their part numbers.

Figure 1-4. Static-Safe Work Station

Reducing ESD Damage

amount of

may

suggestions

Below

testing

are

and

servicing

PC Board Assemblies and

that

instruments

Electronic Components

Handle these items at a static-safe

reduce

help

.

work station.

the

Store or transport these items in static-shielding containers

General Information

1-8

ESD

.

damage

that

occurs

during

Caution

Do not use erasers to clean the edge-connector contacts. Erasers generate static

electricity and degrade the electrical quality of the contacts by removing the

thin gold plating.

Do not use paper of any kind to clean the edge-connector contacts.Paper

or lint particles left on the contact surface can cause intermittent electrical

connections.

Do not touch the edge-connector contacts or trace surfaces with bare hands.

Always handle board assemblies by the edges.

PC board assembly edge-connector contacts may be cleaned by using a lint-free cloth with a

solution of 80% electronics-grade isopropyl alcohol and 20% deionized water. This procedure

should be performed at a static-safe work station.

Test Equipment

Before connecting any coaxial cable to an instrument connector for the rst time each day,

momentarily

short the center and outer conductors of the cable together.

Caution

ersonnel

P

of

sure

Be

should

any

that

not

Do

damage

be

connector

instruments

all

the

short

result.

can

grounded

before

and

coaxial

with

are

cable

resistor-isolated

a

removing

properly

external

the

from

wrist

assembly

any

earth-grounded

power

strap

the instrument.

from

prevent

to

pack.

Instrument

before touching

static charge

buildup

of

the center

.

General

Information 1-9

Static-Safe Accessories

Accessory Description

Table 1-1. Static-Safe Accessories

HP Part Number

Static-control mat and ground

Set includes: 9300-0797

wire

3M static-control mat, 0.6m21.2m

(2 ft24ft)

ground wire, 4.6m (15 ft)

(The wrist strap and wrist-strap cord

are

not

included. They must be

ordered separately.)

Wrist-strap cord 1.5m (5 ft) 9300-0980

Wrist strap Black, stainless steel with four

adjustable

connector

links and

(The wrist-strap

7-mm post-type

cord is

not

9300-1383

included.)

months

strap

heel

ESD

Hard-surface

static-control

Reusable

black,

,

Large

12

to

6

ft)

5

2

ft

(4

1.5m

2

1.2m

9300-1169

92175A

mat*

ft)

4

2

ft

(3

1.2m

2

Soft-surface

abletop

T

static-control

Antistatic

static-control

carpet*

mat*

Small,

Brown,

cm

58

Small,

natural

russet

black,

2

1.2m

76

color

0.9m

2

cm

2

2.4m

(23

1.8m

in.

(4

92175C

8ft)

2

ft

in.)

30

2

ft)

2

6

ft

92175B

92175T

92176A

92176C

Large,

1.2m

natural color 92176B

russet color 92176D

*These

through

accessories

DIRECT

HP

(800) 538-8787.

can

Phone

Contact

ordered

be

your

Order

nearest

either

Service

through

.

Hewlett-P

about HP DIRECT availability in other countries

General Information

1-10

In

2.4m

2

the

ackard

.

(4

Hewlett-P

a

the

USA,

Sales

ft)

8

2

ft

or

Oce

ackard

HP

Oce

Sales

DIRECT phone

more

for

number

information

is

Sales and Service Oces

Hewlett-Packard sales and service oces provide complete support for Hewlett-Packard

products.To obtain servicing information, or to order replacement parts, contact the nearest

Hewlett-Packard Sales and Service Oce listed in Table 1-2.

In any correspondence, be sure to include the pertinent information about model numbers,

serial numbers, or assembly part numbers.

General

Information 1-11

Table 1-2.

Hewlett-Packard Spectrum Analyzer Sales and Service Oces

IN THE UNITED STATES IN AUSTRALIA IN JAPAN

California

Hewlett-Packard Australia Ltd. Yokogawa-Hewlett-Packard

Ltd.

Hewlett-Packard Co. 31-41 Joseph Street 29-21 Takaido-Higashi, 3 Chome

1421 South Manhattan Ave. Blackburn, Victoria 3130 Suginami-ku Tokyo 168

P.O. Box 4230 895-2895 (03) 331-6111

Fullerton, CA 92631

(714) 999-6700

Hewlett-Packard Co. 17500 South Service Road

IN CANADA

Hewlett-Packard (Canada) Ltd.

IN PEOPLE'S REPUBLIC

OF CHINA

301 E. Evelyn Trans-Canada Highway China Hewlett-Packard, Ltd.

Mountain View, CA 94039 Kirkland, Quebec H9J 2X8 P.O. Box 9610, Beijing

(415) 694-2000 (514) 697-4232 4th Floor, 2nd Watch Factory

Main Bldg.

Colorado IN FRANCE

Shuang Yu Shu, Bei San Huan

Rd.

Hewlett-P

Inverness

24

ackard

Englewood,

649-5000

(303)

Georgia

Hewlett-P

2000

.

.O

P

Atlanta,

(404)

ackard

South

Box 105005

GA

955-1500

Illinois

Hewlett-P

5201

Rolling

ackard

ollview

T

Meadows

Co

Place

80112

CO

Co

ark Place

P

30339

Co

Drive

IL

,

.

East

.

60008

Hewlett-P

F-91947

ackard

Les

Ulis

Orsay

907-78-25

(6)

GERMAN

IN

REPUBLIC

Hewlett-P

ertriebszentrale

V

ackard

Berner Strasse

ostfach 560

P

D-6000

(0611)

IN

Hewlett-P

Frankfurt

50-04-1

GREA

BRIT

T

ackard

France

Cedex 256-6888

FEDERAL

GmbH

Frankfurt

117

140

56

AIN

Ltd.

Beijing,

IN

Hewlett-P

Pte

1150

Singapore

273

elex

T

Fax

IN T

Hewlett-P

PRC

SINGAPORE

ackard

Ltd.

.

Depot

Road

0410

7388

HPSGSO

(65) 2788990

AIWAN

ackard

Singapore

RS34209

aiwan

T

(312) 255-9800 King Street Lane 8th Floor, Hewlett-Packard

Winnersh, Wokingham Building

New Jersey

Berkshire RG11 5AR 337 Fu Hsing North Road

Hewlett-Packard Co. 0734 784774 Taipei

120 W. Century Road (02) 712-0404

aramus

P

(201)

Texas

NJ 07653

,

265-5000

OTHER

IN

COUNTRIES

Hewlett-Packard (Schweiz) A

Allmend 2

EUROPEAN

G

IN ALL OTHER LOCA

Hewlett-Packard

TIONS

Inter-Americas

Hewlett-Packard Co

930 E. Campbell Rd.

. CH-8967 Widen (Zurich)

(0041) 57 31 21 11

3495 Deer Creek Rd.

Palo Alto

, California 94304

Richardson, TX 75081

(214) 231-6101

General Information

1-12

Returning Instruments for Service

The original shipping containers and materials, or the equivalent, must be used when

repackaging the mainframe with modules, or modules alone.Packaging materials identical to

the original factory packaging can be purchased through any Hewlett-Packard oce.

Figures 1-5 and 1-6 show the packaging materials. When ordering packaging materials to ship

modules, it is necessary to order the proper number of foam inserts. No foam inserts are

required for a 3/8-width module such as the HP 70205A Graphics Display. One foam insert is

required for a 2/8-width module such as the HP 70900A Local Oscillator. Two foam inserts are

required for a 1/8-width module such as the HP 70902A IF Section.

Caution

Instrument damage can result from using packaging materials other than

those specied. Never use styrene pellets as packaging materials. They do not

adequately cushion the instrument or prevent it from shifting in the carton.

They cause instrument damage by generating static electricity.

Use the following procedure to prepare the instrument for shipment:

1. Fill out a blue repair card (located at the end of this manual) and attach it to the

instrument.

performance

blue

a

If

returned

Type

a.

Description

b.

Name

c.

Return

d.

Model

e.

Full

f.

g. List

ack the

P

2.

If you

of the

repair

card

instrument:

service

of

phone

and

address

number

serial

of any

accessories returned

instrument in

have recorded

instrument, also

available,

not

is

required.

problem;

the

number

of

.

returned

of

returned

of

the appropriate

error

any

send a

make sure

the

if

state

technical

instrument.

with instrument.

packaging

messages

copy

problem

contact

have

or

information

this

of

the following

constant

is

person.

materials

.

specic

other

any

with

information is

or intermittent.

Figures

(See

the

1-5

data

instrument.

with

sent

1-6.)

and

Original shipping materials or the equivalent should be used. However, if the original

shipping materials are not available and equivalent materials cannot be ordered, instruments

can be repackaged for shipment using the following instructions.

on

the

Caution

Inappropriate packaging of instruments may result in damage to the

instruments

during

transit.

a. Wrap the instrument in anti-static plastic to reduce the possibility of damage

ESD.

or instruments that weigh less than 54 kg (120 lb), use a double-walled, corrugated

b. F

cardboard carton of 159 kg (350 lb) test strength. The carton must be large enough and

strong enough to accommodate the instrument. Allow at least three to four inches on all

sides of the instrument for packing material.

Surround

c.

instrument

the

California

best

equipment

the

prevent

and

alternative

90001).

is

Air

S.D

Cap

with

it

.-240

from

looks

three

moving

Air

like

to

Cap

four

in

TM

plastic

a

inches

the

from

of

carton.

Sealed

sheet

packing

If

Air

lled

material, to

packing

Corporation

1-1/4

with

foam is

protect

not

(Commerce

inch air

General

caused by

the

available

,

Use

bubbles

.

Information 1-13

the pink (antistatic) Air Cap to reduce static electricity. Wrapping the instrument several

times in this material should both protect the instrument and prevent it from moving in

the carton.

3. Seal the carton with strong nylon adhesive tape.

4. Mark the carton \FRAGILE, HANDLE WITH CARE."

5. Retain copies of all shipping papers.

General Information

1-14

&sigspace;

Number

art

Item HP

1 9211-4487 3 1 Carton-Outer

2 5180-2321 9 1 Carton-Inner

3 5180-2319 5 2 F

*This is used for packaging the HP 70001A.

y

This is used for packaging the HP 70206A.

Figure

P

5180-7829 2 2 Foam Pad

ackaging

1-5. P

CD Qty Description

oam

Materials

for

Mainframe

P

ad*

y

General

Information 1-15

&sigspace;

General Information

1-16

Number

art

Item HP

1 9211-5118 9 1 Carton-Outer

2 9211-5119 0 1 Carton-Inner

3 5180-2369 5 1 Carton-Slider

4 4280-0493 3 2 Foam

5 5180-2370 8 2 Foam P

Figure 1-6. Packaging Materials for Modules

P

CD Qty Description

Insert

ad

2

Installation

Introduction

This chapter contains information needed to install the HP 70310A Precision Frequency

Reference into an HP 70000 Modular Measurement System mainframe, and to check the basic

operation of the module. Chapter 4 contains the tests needed to verify that the module meets

its specications.

The examples of addressing and cable connections in this chapter are for an HP 71210A

Microwave Spectrum Analyzer system. For more detailed information about HP 70000 Modular

Measurement System conguration and addressing, refer to the Installation and Verication

Manual for the system master (for example, HP 70900A Local Oscillator).

general

for

the

1

following

the

use

o

T

information

requirements

input

Installing

the

HP

about

70310A

the

module

module's

output

and

in

an

as a

inputs

capabilities

70000

HP

separate frequency

and

outputs

,and

.

Modular

Measurement

reference,

to Chapter

System

refer

3 for

requires

Chapter

to

information about

steps:

ddressing

A

1.

Installing

2.

Installing

3.

Connecting

4.

Installing

Modular

the

Measurement

1. Installing

2. Installing

Connecting

3.

module

the

external

the

module

the

the rear-panel

module as

the external

the module

appropriate

the

.

power

into

a separate

pack

mainframe

the

cables

.

frequency

System) requires

power pack

into the

mainframe.

rear-panel

done

(not

.

reference

the following

(not done

input

for

and

70310A

HP

steps:

70310A

HP

output

(that

Option

,

is

Option

cables

not

.

part

002

of

002

modules).

70000

HP

an

modules).

When properly installed, the HP 70310A module obtains both power and interface-bus control

through the module's rear-panel mainframe/module interconnect. After the module is installed,

use the information in \Checking Module Operation" to make sure that the module has been

properly installed and is not faulty.

Installation

2-1

Addressing the Module

The HP 70310A module needs an appropriate Hewlett-Packard Modular System Interface

Bus (HP-MSIB) address to be able to communicate with the master of the HP 70000 Modular

Measurement System. The HP 70310A module's HP-MSIB address is set using the module's

ROW and COLUMN address switches.

Determining the HP-MSIB Address

The HP 70310A module has a factory-preset HP-MSIB address of 7, 19 (row 7, column 19).

Figure 2-1 shows the address map for an HP 71210A system. The addresses in this gure are

the factory-preset addresses for the modules.

Figure

2-1.

Address

Map

If the HP 70310A module is going to be used in an HP 70000 Modular Spectrum Analyzer

System where the modules all have their factory-preset addresses, the HP 70310A module

probably will not need to have its factory-preset address changed. However, if the

HP

the

if

changed,

been

HP

need

have

70000

to

Modular

changed.

be

Measurement

factory-preset

70310A

HP

module

70310A

module's factory-preset

addresses

is being

of the

used

modules

another

in

type

address

the

may

system

of

Changing HP-MSIB addresses requires an understanding of HP-MSIB addressing rules

information on determining and assigning HP-MSIB addresses

Verication Manual for the system master (for example

Installation

2-2

, HP 70900A Local Oscillator).

, refer to the Installation and

or

System,

.F

or

the

Setting the HP-MSIB Address Switches

The HP 70310A module's address switches are located on the left side of the module.Table 2-1

gives the decimal value for each address switch when the switch is set to binary 1 (on).

Table 2-1. Decimal Equivalents of Row and Column Address Switches

Address Switch Decimal Value

Row

3* 4

2* 2

1* 1

Column

5* 16

4 8

3 4

2* 2

1* 1

*These switches are factory-preset to binary 1

19

7,

(on),

(row

resulting

column

7,

in

19).

HP-MSIB

an

address

of

the procedure

Use

Set the

1.

example

Set the

2.

or example

F

Figure

three

,if

ve

2-2.

below

ROW

row

the

COLUMN

the

if

,

change

to

switches

number

switches

column

the

to

change

7,

is

to

number

address

binary

the

is

value

the

binary

change

19,

switches:

the

of

switches

of

value

the

module's

binary

to

module's

the

switches

HP-MSIB

111

HP-MSIB

binary

to

as

row

shown

10011

number

Figure

in

column

shown

as

or

F

.

2-2

number

in

.

Figure 2-2. Address Switches

Installation

2-3

2-4

Installation

Figure 2-3. External P

ower P

ack Installation

Installing the External Power Pack

The external power pack provides power to the HP 70310A module to maintain the

temperature in the module's internal oven/oscillator when the mainframe is turned o. An

HP 70310A Option 002 module does not have an internal oven/oscillator and, therefore, does

not need an external power pack.

Caution

Install the HP 70310A module into the mainframe and connect the external

power pack to the HP 70310A module

before

plugging the external power pack

into the ac power source. If the external power pack is incorrectly connected

its fuse can open, resulting in a

6015 Oven cold

error at power-on. Refer

to \Fuse Replacement" in this chapter for fuse location and replacement

information.

The external power pack can be installed on the rear of the mainframe or on an equipment

rack. For installation information, refer to Figure 2-3 or to the instructions shipped with the

power-pack rack-mount kit.

Line Voltage Selector

the

line

The

voltage

100

of

volts

Caution

voltage

the

.

selector

power

ac

The

correctly

on

source

external

before

external power

the

or example

.F

the

pack

external

power

, Figure

can

pack must

damaged

be

power

be set

2-4 shows

if

is

pack

to correspond

the

line

its

plugged

voltage

line

voltage

into

the

with

selector

power

ac

not

is

source

set

to

.

Figure 2-4.

A

C

ower

P

Source

The external power pack must be plugged into an

function. However

HP 70310A module

, do not plug the external power pack into

has been installed in the mainframe and the external power pack cable has

been connected to the module's

External Power Pack Line Voltage Selector

appropriate ac power source before it will

the ac power source until the

rear-panel EXT PWR connector

.

In accordance with international safety standards, the external power pack is equipped with a

three-wire ac power cable. When connected to an appropriate ac power receptacle, this cable

grounds the external power pack.

type

The

destination.

of

erication

V

power

of

Manual

cable

additional

If

for

shipped

system

the

dierent

or

with

master

the

cables

external

.

are

power

needed,

pack

refer

depends

to

on

Installation

the

and

country

the

Installation

2-5

Warning

Before plugging the external power pack into the ac power source, verify

that the external power pack and the power cable are not damaged, and

that the power-source socket outlet is provided with protective earth

contact. Any interruption of the protective (grounding) conductor inside

or outside of the external power pack, or disconnection of the protective

earth terminal, can result in personal injury.

Fuse Replacement

The external power pack's line fuse, and a spare fuse, are located in the line cord receptacle

housing on the left side of the external power pack. See Figure 2-5 for fuse removal and

replacement information.

The fuse shipped with the external power pack depends on the line voltage used in the country

of destination. Table 2-2 shows the fuse value and part number for the dierent line voltages.

Table 2-2. External Power Pack Fuses

Line Voltage HP Part Number CD Description

100

220

V

240

to

V

2110-0717 3 Fuse|glass

2110-0718 4 Fuse|glass

120 V

Vto

Figure 2-5. External P

ower P

V

MAX

0.250 A

0.125

A

250 V

250

ack Fuse Removal and Replacement

2-6

Installation

Installing the Module in the Mainframe

The HP 70310A module needs to be installed in an HP 70000 Modular Measurement System

mainframe before it will operate.Follow the procedure below to install the module into the

mainframe. See Figure 2-6 for identication of the module and mainframe parts called out in

the procedure.

1. Turn the mainframe LINE switch o.

2. Open the mainframe front-panel door.

3. Slide the module into the mainframe.

4. Press against the module front panel while tightening the module latch with an 8 mm

hex-ball driver.

5. Close the mainframe front-panel door.

Figure 2-6. Module Installation in Mainframe

Installation

2-7

Connecting the Rear-Panel Cables

This section contains the following information:

Instructions for connecting the HP 70310A standard module when it is used in an HP 71210A

Microwave Spectrum Analyzer system, and a list of additional connections that are available

for a standard module.

Information about connecting HP 70310A Option 001 modules.

Information about connecting HP 70310A Option 002 modules.

Refer to Chapter 3 for input and output specications and characteristics.

HP 70310A Standard

Figure 2-7 shows the rear-panel connections of an HP 71210A system. The HP 70310A module

shown in this example is a standard module that is using its internal oven/oscillator as the

frequency reference.

HP 71210A System Connections

the steps

ollow

F

Connect

1.

connector

Plug

2.

Connect

3.

connector

Other

In

Congurations

addition

following

external

An

connector

frequency

the external

.

external

the

HP

the

.

the

to

connections

frequency-reference

an

.If

reference is

below to

connect the

power-pack cable

power-pack line

70310A

connections

available:

external

automatically

HP 70310A

to the

cord into

MHz

shown

100

in

signal

Figure

can

module's

frequency-reference

switched

module

HP 70310A

appropriate

an

output

a

2-7,

connected

be

signal

o.

as

HP

the

to

standard

to

connected,

is

shown

module's

power

ac

70900A

70310A

HP

module's

the

Figure

in

rear-panel

the

2-7:

.

source

module's

module

EXT

module's

PWR

EXT

100 MHz

has the

input

REF

internal

The module's 10 MHz output can be used to provide a stable 10 MHz reference frequency to

another instrument.

IN

2-8

Installation

Figure

2-7.

Cable

Connection

Example

HP 70310A

An HP

70310A

ampliers

71210A

HP

an

use

o

T

standard

the

Other

The

Congurations

70310A

HP

reference-frequency

A

the module's

to

Option 001

Option

Each

.

System

70310A

HP

module

Option

001

distribution

Connections

Option

.

001

signal,

connector

AIN

module

amplier

001

module

has

in an

with

This

.

the

has

HP

the

has

frequency

a

provides

features

one input

71210A

following

of

three

standard

a

of

use

outputs

the

and three

system,

connections

MHz,

300

to

5

reference-frequency

plus

module

,

.

instructions

available:

be

can

two

given

connected

outputs:

distribution

A1OUT,A2OUT, and A 3 OUT. These outputs will have the same frequency as the

reference-frequency signal at A IN.

A reference-frequency signal, with a frequency of 5 to 300 MHz, can be connected

to the module's B IN connector. This provides three reference-frequency outputs: B

the

by

as

HP

70000

These

.

OUT

3

B

and

,

OUT

B2

,

OUT

1

B IN.

reference-frequency

output

MHz

100

The

signal

supplies a

at

Modular Measurement Systems and

outputs

stable

frequency-reference

other instruments

The external power pack can be connected

signal

frequency

use

for

will

have

the same

.

to the EXT PWR input to maintain the

temperature of the module's internal oven/oscillator when the mainframe is turned o.

above

for

module's 10 MHz output can be used to provide a stable 10 MHz reference frequency to

The

another instrument.

An external frequency-reference signal can be connected to the module's EXT REF input

connector

frequency

If an

.

reference

external

frequency-reference

is automatically

switched

signal

o.

connected,

is

the

module's

internal

Installation

2-9

HP 70310A Option 002

The HP 70310A Option 002 module does not have an internal oven/oscillator. The other module

features are the same as the standard HP 70310A module.

HP 71210A System Connections

Follow the steps below to use an HP 70310A Option 002 module in an HP 71210A system:

1. Connect the HP 70310A module's 100 MHz output to the HP 70900A module's 100 MHz IN

connector.

2. Connect an appropriate external frequency reference to the HP 70310A module's EXT REF

connector. (Refer to Chapter 3 for external frequency-reference requirements.)

Note

6014 PLL erroror6016 No Freq Reference

error codes are displayed

If the

at instrument power-up, make sure that an appropriate external frequency

reference is connected to any HP 70310A Option 002 modules in the system.

Other Congurations

HP

The

70000

HP

The

another

external

An

rear-panel

Note

70310A

module's

Modular

module's

instrument.

EXT

Option

MHz

100

Measurement

MHz

10

frequency

REF

70310A

HP

connected.

module

002

output

can

reference

connector.

Option 002

has

supplies

Systems

used

be

must

following connections

the

stable

a

be

modules

frequency-reference

instruments

other

and

provide

to

connected

not

do

stable

a

to

have

the

10

HP

external

an

available:

signal

.

reference

MHz

70310A

for

Option

power

by

use

frequency

module's

002

pack

to

2-10

Installation

Checking Module Operation

The HP 70310A Precision Frequency Reference can be congured as a separate frequency

reference (installed in an HP 70000 Modular Measurement System mainframe) or as a slave in

an HP 70000 Modular Measurement System. Module-operation checks are given below for the

following congurations:

HP 70310A module used as a separate frequency reference.

HP 70310A module used as a slave in an HP 70000 Modular Measurement System that has an

HP 70900A Local Oscillator as the system master.

HP 70310A as a Separate Frequency Reference

The operation of the HP 70310A module as a separate frequency reference is veried by

checking the results of the module's power-on self-test.

The results of the self-test can be determined by examining the status of the module's LEDs.

An HP 70000 Modular Measurement System display can also be used to check for error

messages.

LEDs

Front-P

The

listing

has

The

anel

power-on

below

run.

CT

A

self-test runs

describes

should

LED

automatically when

the status

what

o.

be

of the

power is

LEDs

should

rst applied

immediately

be

to

the

module

after

the

The

.

self-test

LED

ERR

The

the

when

on

Option

VEN

o,

COLD

mainframe

70310A

O

The

approximately

70310A Option

HP

EXTERNAL REF

The

should

VEN

O

then

002

fteen

be

COLD

quickly

modules

LED

002

LED

if

on

LED

should

minutes

modules

should

oven/oscillator

the

goes

turning

be

on

not

if

should

after

should

be

this

If

o.

again)

on

it

have

oven/oscillator

the

power-on

have

not

the

if

o

is

happens

should

ERR

the

if

the

internal

cold.

still

,

result

LED

module

VEN

O

frequency

The

cycling

in

on.

go

still

is

was

COLD

LED may

ERR

the power

ERR

the

This

cold.

stored

go

LED

reference

at

LED

room

on.

stay

(turning

going o.

should

temperature

being

is

the

go

used.

The EXTERNAL REF LED should go on when an appropriate external reference is connected

to the HP 70310A module.

The PLL ERROR LED should be o.

Checking

HP

the

If

display

can

Note

for Error

70310A

used

be

Remove all master elements or systems from the HP-MSIB before using the

following troubleshooting procedure

systems on the HP-MSIB when this procedure is performed, the

Messages

module's

determine

to

ERR

LED

what

remains

error

an HP

on,

occurring.

is

70000

Modular

Measurement

System

. If there are any master elements or

system or

master may cease communication and the procedure may not work.

HP

o

.

Installation

2-11

Use the following troubleshooting procedure to nd out what error conditions exist:

1. Remove the HP 70310A module from the mainframe.

2. Change the ROW address to 0 (binary 000).

3. Reinstall the module into the mainframe.

4. Connect a display to the HP-MSIB by installing a plug-in display into the mainframe or

connecting a stand-alone display to the mainframe's HP-MSIB.

5.

First press

4

DISPLAY

5

, then

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN

REPORT ERRORS

.

6. Note the errors that are listed on the CRT, then refer to Chapter 5, \Troubleshooting," for

more information about those errors. Change the ROW address back to 7 (binary 111) before

doing more troubleshooting.

HP 70310A as a Slave in an HP 70000 Modular Spectrum Analyzer System

The operation of the HP 70310A module in an HP 70000 Modular Spectrum Analyzer system is

veried by checking the results of the module's power-on self-test, and by making sure that the

local oscillator in the system is using an external frequency reference.

by checking

and

or

LEDs

an

local oscillator

the

,

9000

HP

Series

200

results

The

error

for

verify

o

T

is queried

the

of

messages

the

that

an

using

self-test

.

oscillator

local

70000

HP

determined

are

Modular

using

is

Measurement

by

external

an

examining

frequency

System

front-panel

the

display

reference

controller.

listing

CT

the

LEDs

self-test

LED

VEN

O

runs

describes

should

be

COLD

automatically

the

what

on.

if the

on

goes

LED

power

when

LEDs should

the

status

of

oven/oscillator is

70310A

HP

o.

is

still cold.

Option

rst

002

applied

immediately

be

The ERR

modules

the

to

should

LED

module

after

should

not

The

.

the

go

have

self-test

o

the

Front-Panel

The power-on

following

run.

has

A

The

ERR

The

when

ERR LED go on.

The OVEN COLD LED should be on if the oven/oscillator is still cold. This LED should go o

approximately fteen minutes after power-on if the module was stored at room temperature.

HP 70310A Option 002 modules should

should

LED

EXTERNAL

The

EXTERNAL

The

the

to

HP

70310A

REF

module

LED

should

.

be

go

not

have the OVEN COLD LED go on.

o

on

if

when

the internal

an appropriate

frequency

external

reference

is

being

is

used.

connected

The PLL ERROR LED should be o.

Refer to Chapter 5, \Troubleshooting," if the

LEDs' status is dierent than that listed above

.

2-12

Installation

Checking for Error Messages: Spectrum Analyzer System with a Display

The procedure below is for use when the HP 70310A module is part of an HP 70000 Modular

Measurement system that contains a display and has an HP 70900A Local Oscillator as the

system master.

Perform this procedure to display any error messages present for the system, and to determine

whether the local oscillator is using an internal or external frequency reference.

1. Press the

4

MENU

5

key.

2. The error messages for the system will be visible on the display screen. Note any error

messages that have

70310A

as part of the error code. While the HP 70310A module

is warming up (for approximately fteen minutes from power-on), the error message

Oven cold ERR 6015 70310A 7,19

may be displayed.

The last two numbers (7,19) are the module's HP-MSIB address, and will be dierent if

the factory-preset address has been changed. With the external power pack installed,

the HP 70310A module will not display the

Oven cold

error message after the internal

oven/oscillator has warmed up. HP 70310A Option 002 modules will never display this error

message.

3. If no other error messages are present for the HP 70310A module, proceed to the next step.

for

N

If

N

that

N

NN

N

,and

the

5

N

then

,

the

to

the

error

any

If

troubleshooting

4.

If

N

your

N

HP

N

NN

N

EXTEND

5.

your HP

6.

If

then

Locate

N

EXTEND

the reference

reference

70900A

HP

address

message

70900A

N

STATE

N

70900A

N

NN

N

.

N

STATE

not

is

Local

displayed

other

information.

rmware

a

has

rmware

a

has

N

.

the

to

displayed,

Oscillator

matches

than

HP

press

found. If

is

address

the

Oven

version

70900A

N

NN

of

Local

NN

N

Page

more than

the

of

message

870501

880314

Oscillator

N

until

HP

or earlier

or

state screen

the

HP

one

70900A

is displayed,

, press

press

,

later

display's

the

on

70900A

used.

being

refer to

NN

N

instr

N

,

misc

screen.

with the

used,

is

Chapter

N

display

N

catalog

reference

verify

N

frequency

V

7.

standard

erify

that

the

verifying

by

HP

70900A

that

Local

statement

the

Oscillator

the HP

using

is

REF:EXTERNAL

70310A module

present.

is

as its

8. If the above statement is not present, and module installation has been rechecked, refer

to the information about addressing and error message reporting in the Installation and

Verication Manual for the system master.

Installation

2-13

Checking for Error Messages: Spectrum Analyzer System with a Controller

The following procedure uses an external controller to query the system master (HP 70900A

Local Oscillator) about whether it is using an internal or external frequency reference.An

HP 70000 Series display does not have to be present in the system.

1. Connect an HP 9000 Series 200 controller (running HP BASIC 2.0, 3.0, or 4.0) to the system's

HP-IB connectors.

2. Execute the following code to display the status of the local oscillator. In line 5 below,the

local oscillator's HP-IB address is set to 718. If the factory-preset address has been changed,

modify the code to reect the current address.

5 LO_addr=718 !Set LO address

10 CLEAR Lo_addr !Initialize analyzer HP-IB interface

15 OUTPUT Lo_addr;"IP;"; !Initialize analyzer

20 DIM Answer$[2400] !Create ANSWER as variable for data

25 OUTPUT Lo_addr;"DSPTEXT EXTEND?;"; !Interrogate LO for extended state

30 ENTER Lo_addr USING "-K";Answers$ !Return data to ANSWER

35 FOR I=1 TO LEN(Answer$)

40 IF Answer$[I,I]=CHR$(10) THEN

45

PRINT""

50 ELSE

55 PRINT

IF

END

60

I

70

75

80

CLEAR

OUTPUT

END

Lo_addr

Lo_addr;"IP"

Answer$[I,I];

!Display

data

that

erify

V

3.

standard

REF:EXTERNAL

status

the

If

4.

reference

Installation

the

in

the

verifying

by

.

description

the

and

,

70900A Local

HP

that

installation

V

and

displayed

the

local

the

of

has

erication

Oscillator

oscillator

rechecked,

been

Manual

HP

the

using

is

status description

indicate

not

does

refer

system

the

for

70310A

includes the

the

troubleshooting

the

to

master

.

module

statement

of an

use

its

as

external

information

frequency

2-14

Installation

Specications

The following specications apply to the HP 70310A Precision Frequency Reference.For

system specications, refer to the Installation and Verication Manual for the system master

(for example, HP 70900A Local Oscillator).

3

Note

Specications and characteristics related to the internal oven/oscillator do

apply to HP 70310A Option 002 modules. Specications and characteristics

related to the distribution ampliers apply

only

modules.

The following types of information are provided in this chapter:

the

Specications

(except

Typical

units

where

erformance

P

meet.

will

Characteristics

performance

parameters

describe

noted)

provide

the

after

where

,

.

warranted

one

listed,

useful

performance

continuous

of

hour

not

is

information

warranted

by giving

over

operation.

indicates

but

,

functional,

to HP 70310A Option 001



0

temperature

but

range

performance

nonwarranted,

C

which

to

not

55

most



C

Specications

3-1

Frequency Reference Error

Time-Dependent Error

0

per day (7-day average) ..............................................<5210

per year . . ............................................................<1210

10

0

7

Temperature-Dependent Error

0

0C to +55C .......................................................<7210

9

The following warm-up time requirements must be met for the module to meet the frequency

reference error specications:

>

96 hours to meet frequency reference error specication after<24-hour o period.

>

30 days to meet frequency reference error specication after indenite o period.

>

30 minutes to be within 1210

0

7

of 24-hour warm-up frequency (at +25C).

Output

.

(typical)

.

Outputs

male

SMB

pack.

.

except

.

..

.

..

.

..

connector

PWR

EXT

the

for

.

..

.

..

.

..

.

..

.

..

used

+3

dBm

0

.

..

.

..

.

+3

dBm

0

.

..

dc

for

Inputs

connectors are

All

external power

the

MHz

100

ower

P

Harmonics

Spurious

MHz

10

Power

and

.

Output

..

Harmonics ............................................................<0

Spurious .............................................................<0

.

<

.

power

0

,

dB

25

0

<

115

0

,

dB

20 dBc

80 dBc

input

dB

2

dBc

dB

2

from

Specications

3-2

External Reference Input

Frequencies ...................................................1, 2, 5, or 10 MHz

Power Range ....................................................05 to +15 dBm

Damage Level .................................................1 watt (+30 dBm)

Impedance

System phase noise specications can be met if the external-reference signal has the

characteristics listed below:

External Reference Input Frequency . . . . . . . . . . . . . . ........................10 MHz

Phase Noise:

10 Hz Oset . . . . . . ...............................................<0

100 Hz Oset . . . . . ..............................................<0

1 kHz Oset . . . . . . . . . . . . . . . . . . . . ................................<0

Spurious:

<

1 kHz Oset . . . . . . . . . . . . . . . . . . ...................................<0



1 kHz Oset . . . . . . . . . . . . . . . . . . ...................................<0

Distribution Amplier Input

Frequency

(typical)

ower

P

Impedance

(characteristic)

.

Range

.

(characteristic)

.................................................. 50

95 dBc/Hz

125 dBc/Hz

145 dBc/Hz

135 dBc

125 dBc

300 MHz

to

10

.

..

.

..

.

to 300

5

.

..

.

..

.

4

6

.

..

.

..

.

..

.

..

.

MHz

dBm

50

Distribution

ower:

P

MHz

300

<

MHz

300

Impedance

VSWR

Note

(characteristic)

(typical)

Amplier

.

performance

The

MHz

100

the

performance.

Output

.

..

.

..

.

and

.

..

300

.

of

.

..

.

..

distribution ampliers

the

system

MHz

.

..

.

..

.

references

.

..

.

is acceptable

without

.

dBm

0

.

dBm

0

.

..

.

to distribute

degradation

.

6

.

<

in

dB

2

dB

1

50

1.5:1

system

both

Specications

3-3

General

Temperature

Operation ......................................................... 0C to +55C

Storage .........................................................040C to +75C

EMI

Conducted and radiated interference is in compliance with CISPR publication 11 (1975)

and Messempfaenger-Postverfuegung 526/527/79 (Kennzeichnung Mit

F-Nummer/Funkschutzzeichen). Radiated interference is in compliance with

MIL-STD 461B,Part 7, RE02.

Warm-Up Time

This information is listed above under \Frequency Reference Error."

Weight

3.0

kg

(6.6 lb)

(characteristic only)

Dimensions

HP

The

ower

P

power

The

Modular

external

An

Option

supplies

Cooling

cooling

and

is

70310A

and

Measurement

power

modules).

002

power

dc

1/8-width

a

Requirements

requirements

System

accessory

pack

external

The

maintain

to

module

mainframe

oven

.

the HP

of

.

included with

is

power

pack

temperature

70310A

the HP

mounts

when

module

70310A

the

to

mainframe

the

are

rear

provided

module

the mainframe

of

is

by

(except

turned

the

o. The

external power pack requires a power source with the following characteristics:

Frequency . ......................................................... 47 to 444 Hz

Voltage ................................................ 100, 120, 220, or 240 V ac

HP

,and

70000

70310A

Specications

3-4

Verication

Introduction

This chapter contains the following verication tests and adjustment procedure for the

HP 70310A Precision Frequency Reference.

External Reference Input Test

10 and 100 MHz Output Power Test

10 MHz Output Spurs Test

10 MHz Output Harmonics Test

Distribution Amplier Test

Oscillator Adjustment

The

tests

The

adjustment

for

used

not

4-1

able

T

used

are

procedure

HP

the

lists

verify

to

is

70310A

equipment

the

for

Option

required

specied performance

70310A

HP

modules because

002

module's internal

verication tests

the

for

of the

they do

HP 70310A

module

oven/oscillator.

not have

internal oven/oscillators

.

The adjustment

4

is

.

Note

performance

o

T

to

HP

verify

the

Installation

70900A

4-1.

able

T

and

Oscillator).

Local

Equipment

Equipment Model or

an

of

erication

V

Required

HP

Manual

HP

70000

for

P

Modular

for

erication

V

Number

art

Measurement

system

the

ests

T

Quantity

Required

Oscillator

Local

Mainframe HP

70900A/B

HP

70001A

Spectrum Analyzer HP 8566B 1

Synthesized Source HP 8663A 1

Power Meter HP 436A 1

Power Meter Sensor HP 8482A 1

dapters

A

(f)

BNC

to

(m)

N

Type

(f)

N

Type

to

(f)

N

1250-0780 2

1250-1472 1

Type N (m) to SMB (m) 1250-0671 1

SMB (f) to SMB (f) 1250-0672 1

Cables

BNC (m) to BNC (m) HP 10503A 1

BNC (m) to SMB (f) 85680-60093 2

master

1

System,

example

(for

refer

,

erication 4-1

V

External Reference Input Test

Purpose

The purpose of this test is to verify the External Reference Input specications.

Description

This test veries that the HP 70310A module's output frequency remains stable for all specied

external-reference input frequencies and power levels.

Equipment

Connect the 10 MHz OUTPUT from the rear panel of the synthesized source to the

EXT FREQ REFERENCE input on the spectrum analyzer. Calibrate the power meter according

to instructions in its Operating Manual. Then connect the calibrated power meter through

a BNC to SMB cable to the RF OUTPUT of the synthesized source. Calibrate the spectrum

analyzer according to instructions in its Operating Manual. Then connect the RF INPUT of

the spectrum analyzer though a BNC to SMB cable to the 100 MHz output of the HP 70310A

.

..

.

4-1.

70900A/B

.HP

..

.

..

.

70001A

HP

.

..

.

..

8566B

HP

.

..

.

8663A

HP

.

..

.

436A

.HP

.

..

.

8482A

HP

.

..

.

module

Local

Mainframe

Spectrum

Synthesized

ower

P

ower

P

(device under

Oscillator .

.

..

Analyzer

Source

.

Meter

.

Sensor

test or

.

..

.

..

.

DUT). See

.

Figure

.

..

.

..

.

..

.

dapters

A

required)

(2

(f)

BNC

to

(m)

N

Type

.

(f)

N

Type

to

(f)

N

Type

.

(m)

SMB

to

(m)

N

Type

Cables

BNC (m) to BNC (m) ................................................. HP 10503A

BNC (m) to SMB (f)

(2 required)

.

Number

art

P

HP

.

..

.

Number

art

P

HP

.

..

.

......................HP Part Number 85680-60093

Number

art

P

HP

.

..

.

1250-0780

1250-1472

1250-0671

4-2

Verication

External Reference Input Test

Figure 4-1.

External Reference

Input T

est Setup

Procedure

Note

the

Set

1.

power

pressing

2. Set the synthesized-source frequency to 1.0 MHz and

power reading on the power meter

pressing

All non-specied spectrum-analyzer settings are left in the AUTO mode.

synthesized-source

power

the

reading

on

4

STORE541

5

on front panel of the

frequency

meter.

MHz

1.0

to

synthesized-source

these

Save

synthesized source

and

adjust the

amplitude

settings

.

adjust the amplitude for a +15.0 dBm

settings in Resister 2 by

.

4

STORE542

. Save these synthesized-source

5

on the front panel of the synthesized source

for

Register

in

dBm

5.0

0

a

1

3. Set the synthesized-source frequency to 10.0 MHz and adjust the amplitude for a05.0 dBm

power reading on the power meter. Save these synthesized-source settings in Register 3 by

pressing

Set

4.

+15.0

Register

4

STORE543

synthesized-source

the

power

dBm

pressing

by

4

5

on front panel of the synthesized source.

and adjust

MHz

10.0

on

5

to

power

front

meter

panel

.

Save

the

of

these

synthesized

reading

4

STORE

frequency

the

on

4

5

4

amplitude

the

for

synthesized-source

.

source

a

settings

erication 4-3

V

in

by

External Reference Input Test

5. Connect the RF OUTPUT of the synthesized source to the DUT's EXT REF input.

6. Press

4

INSTR PRESET

5

on the spectrum analyzer and set center frequency to 100 MHz and

frequency span to 500 Hz. Press

4

RECALL541

5

on the synthesized-source front panel to set

the synthesized-source frequency and amplitude to the settings saved in step 1.

7. Set the spectrum-analyzer marker to the highest peak and read the marker frequency. The

acceptable limits are 100 MHz620 Hz (99,999,980 Hz to 100,000,020 Hz).

8. Press

4

RECALL542

5

on the synthesized-source front panel to set the synthesized-source

frequency and amplitude to the settings saved in step 2. Repeat step 7.

9. Press

4

RECALL543

5

on the synthesized-source front panel to set the synthesized-source

frequency and amplitude to the settings saved in step 3. Repeat step 7.

10. Press

4

RECALL544

5

on the synthesized-source front panel to set the synthesized-source

frequency and amplitude to the settings saved in step 4. Repeat step 7.

Note

The HP 70310A module's front-panel EXTERNAL REF LED should light when

the external-reference frequency to the HP 70310A module is within the

specied limits. It is normal for the HP 70310A module's front-panel PLL

ERROR LED to blink briey when the input frequency to the HP 70310A

switched.

module

is

4-4

Verication

10 MHz and 100 MHz Output Power Test

Purpose

The purpose of this test is to verify the HP 70310A module's 10 MHz output power and

100 MHz output power specications.

Description

This test measures the 10 MHz output power and the 100 MHz output power to assure the

levels are within the specied limits.

Equipment

Connect the RF output of the synthesized source to the EXT REF input of the HP 70310A

module (device under test or DUT). See Figure 4-2.

Local Oscillator .................................................... HP 70900A/B

70001A

HP

.

..

.

..

.

..

Mainframe

Synthesized

ower Meter

P

ower Meter

P

..

Source .

.

..

Sensor .

HP 8663A

..

.

..

.

..

436A

HP

.

..

.

..

.

8482A

HP

..

.

..

.

dapters

A

Type

(f)

SMB

Cables

(m)

BNC

Number

art

P

HP

.

..

.

..

.

(f)

BNC

to

(m)

N

Number

art

P

HP

..

.

..

.

(f)

N

Type

to

(f)

N

Number

art

P

HP

..

.

..

.

(m)

SMB

to

(m)

N

Number

art

P

HP

.

..

.

..

.

(f)

SMB

to

Number

art

P

HP

.

..

.

(f)

SMB

to

1250-0780

1250-1472

1250-0671

1250-0672

85680-60093

erication 4-5

V

10 MHz and 100 MHz Output Power Test

Figure

4-2.

10

MHz

and

100 MHz

Output

P

Setup

est

T

ower

Procedure

Calibrate

1.

Operating

power

the

Manual.

meter

and

sensor

according

instructions

to

in

the

power

meter's

2. Set the synthesized-source frequency to 10.0 MHz and amplitude to 0 dBm.

3. Connect the power sensor to the DUT's 10 MHz output. The power-meter reading should be

0dBm02dB,+3dB(02 dBm to +3 dBm).

Connect

4.

be

0

dBm

the

0

power

dB

2

,

sensor

+3

dB

power-meter

MHz output.

to

+3

100

dBm

).

DUT's

the

to

dBm

2

(

0

The

reading

should

4-6

Verication

10 MHz Output Spurs Test

Purpose

The purpose of this test is to verify the HP 70310A module's 10 MHz Output, Spurious Power

Level, specication.

Description

This test checks that any reference or power-supply related spurious signals on the module's

10 MHz output are below the specied level.

Equipment

Connect the 10 MHz OUTPUT from the rear panel of the synthesized source to the

EXT FREQ REFERENCE input on the spectrum analyzer. Calibrate the power meter according

to instructions in its Operating Manual. Then connect the calibrated power meter through

a BNC to SMB cable to the RF OUTPUT of the synthesized source. Calibrate the spectrum

analyzer according to instructions in its Operating Manual. Then connect the RF INPUT of the

70310A module

HP

the

spectrum

(device

analyzer

under

test

though

DUT).

or

a

BNC

See

SMB

to

Figure

cable

4-3.

to

the

10

MHz

output

of

70900A/B

HP

.

..

.

..

.

..

.

Source

..

Sensor .

BNC

to

Type

to

SMB

to

.

..

.

(f)

N

(m)

(2 required)

.

..

.

required)

(2

.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

Number

art

P

HP

.

..

.

art Number

HP P

..

.

..

.

art Number

HP P

..

.

..

.

...................... HP Part Number 85680-60093

HP

.

HP

..

.

HP 8663A

.

HP

..

.

1250-0780

1250-1472

1250-0671

70001A

8566B

436A

HP

8482A

Oscillator

Local

Mainframe

Meter

(m)

N

(f)

N

(m)

N

Analyzer

Spectrum

Synthesized

ower

P

ower

P

dapters

A

Type

Cables

BNC (m) to BNC (m) ................................................. HP 10503A

BNC (m) to SMB (f)

erication 4-7

V

10 MHz Output Spurs Test

Setup

Figure 4-3.

10 MHz

Output Spurs

Test

Procedure

Note

the

Set

1.

power

pressing

2. Set the synthesized-source frequency to 2.0 MHz and

power reading on the power meter

pressing

All non-specied spectrum-analyzer settings are left in the AUTO mode.

synthesized-source

power

the

reading

4

on

STORE541

5

on front panel of the

frequency

.

meter

MHz

1.0

to

synthesized-source settings

these

Save

synthesized source

and

adjust the

amplitude

.

adjust the amplitude for a +15.0 dBm

settings in Resister 2 by

.

4

STORE542

. Save these synthesized-source

5

on the front panel of the synthesized source

for

Register

in

+15.0

a

dBm

1

3. Set the synthesized-source frequency to 5.0 MHz and adjust the amplitude for a +15.0 dBm

power reading on the power meter. Save these synthesized-source settings in Register 3 by

4.

4-8

pressing

Set

+15.0

Register

Verication

4

STORE543

synthesized-source

the

power

dBm

pressing

by

4

5

on front panel of the synthesized source.

and adjust

MHz

10.0

on

5

to

power

front

meter

panel

Save these

.

the

of

synthesized

reading

4

STORE

frequency

the

on

4

5

4

amplitude

the

for

synthesized-source

source

.

a

settings

in

by

10 MHz Output Spurs Test

5. Connect the RF OUTPUT of the synthesized source to the DUT's EXT REF input. Press

4

RECALL541

5

on the synthesized-source front panel to set the synthesized-source frequency

and amplitude to the settings saved in step 1.

6. Set the spectrum-analyzer center frequency to 10 MHz, frequency span to 50 kHz, and

reference level to +10 dBm.

7. Set the spectrum-analyzer marker to the highest peak and note the carrier amplitude.It

should be approximately 0 dBm.

8. Set the spectrum-analyzer center frequency to 1 MHz, frequency span to 50 kHz, and

reference level to020 dBm. All signals should be at least 80 dB below the carrier level

noted in step 7.

9. Change the spectrum-analyzer center frequency setting to 9 MHz. All signals should still be

at least 80 dB below the carrier level noted in step 7.

10. Change the spectrum-analyzer center frequency setting to 11 MHz. All signals should still

be at least 80 dB below the carrier level noted in step 7.

11. Press

4

RECALL542

5

on the synthesized-source front panel to set the synthesized-source

frequency and amplitude to the settings saved in step 2.

Set

12.

reference

noted

Change

13.

at

Change

14.

be

Press

15.

frequency

Set

16.

reference

noted

Change

17.

spectrum-analyzer

the

20

0

to

level

7.

step

in

spectrum-analyzer

the

least

at

below

dB

80

spectrum-analyzer

the

dB

80

least

4

RECALL

4

5

and

the

below

the synthesized-source

on

5

3

amplitude to

the spectrum-analyzer

20 dBm

to

0

7.

spectrum-analyzer

in

level

step

the

center

dBm

frequency

All signals

.

center

carrier

level

center

carrier

the

settings

the

center frequency

signals

All

.

center

should be

frequency

noted

frequency

noted

level

saved

should

frequency

2MHz,

to

step

in

front

in

5

to

at least

setting

step

panel

step

MHz,

at

be

to

frequency span

80 dB

MHz.

8

to

7.

12

to

7.

set

to

3.

frequency

dB

80

least

MHz. All

15

MHz.

the

signals should

to 50

carrier

All

signals

All

the

signals

should

below

synthesized-source

kHz,

50

to

span

carrier

below

the

still be

level

still

and

level

at

and

kHz,

least 80 dB below the carrier level noted in step 7.

18. Press

4

RECALL544

5

on the synthesized-source front panel to set the synthesized-source

frequency and amplitude to the settings saved in step 4.

19. Set the spectrum-analyzer center frequency to 10 MHz, frequency span to 5 kHz, RES BW

.

dBm

+10

to

30

Hz, VIDEO

BW

to

10

Hz,

and

reference

level

be

20.

the spectrum-analyzer

Set

marker

to

the

highest

peak

and

note

the

carrier

amplitude

.It

should be approximately 0 dBm.

21. Set the spectrum-analyzer center frequency to 10.04 MHz, frequency span to 5 kHz,

RES BW to 30 Hz, VIDEO BW to 10 Hz, and reference level to

0

20 dBm. All signals

should

be at least 80 dB below the carrier level noted in step 20.

22. Change the spectrum-analyzer center frequency setting to 10.08 MHz, frequency span to

10 kHz, and VIDEO BW to 30 Hz. All signals should be at least 80 dB below the carrier

level noted in step 20.

erication 4-9

V

10 MHz Output Harmonics Test

Purpose

The purpose of this test is to verify the HP 70310A module's 10 MHz Output, Harmonics Power

Level specication.

Description

This test checks the harmonics level of the HP 70310A module's 10 MHz output at frequencies

of 20, 30, 40, 50, 60, 70, 80, and 90 MHz.

Equipment

Connect the 10 MHz OUTPUT from the rear panel of the synthesized source to the

EXT FREQ REFERENCE input on the spectrum analyzer. Calibrate the power meter according

to instructions in its Operating Manual. Then connect the calibrated power meter through

a BNC to SMB cable to the RF OUTPUT of the synthesized source. Calibrate the spectrum

analyzer according to instructions in its Operating Manual. Then connect the RF INPUT of the

70310A module

HP

the

spectrum

(device

Local

Mainframe

Spectrum

Synthesized

ower

P

ower

P

analyzer

under

test

Oscillator

.

Analyzer

Source

Meter

though

DUT).

or

.

..

.

..

Sensor .

.

..

.

..

.

output

MHz

10

the

to

cable

SMB

to

BNC

a

Figure

See

.

4-4.

..

.

..

.

..

.

..

.

..

.

..

.

..

.

of

70900A/B

HP

.

..

70001A

HP

.

..

.

8566B

HP

..

.

HP 8663A

.

436A

HP

.

..

.

8482A

HP

..

.

dapters

A

required)

(2

(f)

BNC

to

(m)

N

Type

..

.

(f)

N

Type

to

(f)

N

Type

..

.

(m)

SMB

to

(m)

N

Type

Cables

BNC (m) to BNC (m) ................................................. HP 10503A

BNC (m) to SMB (f)

(2 required)

.

art Number

HP P

..

.

..

art Number

HP P

..

.

..

......................HP Part Number 85680-60093

Number

art

P

HP

.

..

.

1250-0780

1250-1472

1250-0671

4-10

Verication

10 MHz Output Harmonics Test

Setup

Figure 4-4.

10 MHz

Output Harmonics

Test

Procedure

Note

the

Set

1.

reference

2. Set the synthesized-source frequency to 10.0

power reading on the power meter

All non-specied spectrum-analyzer settings are left in the AUTO mode.

spectrum-analyzer

dBm

+10

to

level

center

.

frequency

to

10

frequency span

MHz,

to

MHz and adjust the amplitude for a 0 dBm

. Connect the

RF OUTPUT of the synthesized source to

50

kHz,

and

the DUT's EXT REF input.

3. Set the spectrum-analyzer marker to the highest peak and note the

amplitude of the carrier

frequency. It should be approximately 0 dBm.

4. Note the harmonics amplitude as you change the spectrum-analyzer center frequency setting

each

At

.

MHz

90

and

MHz,

80

MHz,

70

MHz,

20

to

frequency

,

30

the

40

MHz,

harmonics

50

MHz,

amplitude

MHz, 60

MHz,

should

be

dB below

20

the

carrier

.

erication 4-11

V

Distribution Amplier Test

Purpose

The purpose of this test is to verify the input frequency range, input power range, and output

power specications of the HP 70310A module's distribution ampliers. This test is required

only for HP 70310A Option 001 modules.

Description

This test measures the output power of each amplier output while the input power and

frequency are varied over the specied limits.

Equipment

Calibrate the power meter according to the instructions in the power meter Operating

Manual. Then connect the calibrated power meter through the cable to the RF output of the

synthesized source. See Figure 4-5.

70900A/B

.HP

..

.

..

.

..

Oscillator .

Local

Mainframe

Synthesized

ower Meter

P

Meter

ower

P

..

.

..

Source .

.

..

Sensor

70001A

HP

.

..

.

..

.

HP 8663A

..

.

..

.

..

436A

HP

.

..

.

..

.

8482A

HP

.

..

.

..

.

dapters

A

Type

(f)

SMB

Cables

(m)

BNC

Number

art

P

HP

.

..

.

..

.

(f)

BNC

to

(m)

N

Number

art

P

HP

..

.

..

.

(f)

N

Type

to

(f)

N

Number

art

P

HP

..

.

..

.

(m)

SMB

to

(m)

N

Number 1250-0672

art

P

HP

.

..

.

(f)

SMB

to

Number

art

P

HP

.

..

.

(f)

SMB

to

1250-0780

1250-1472

1250-0671

85680-60093

4-12

Verication

Distribution Amplier Test

Figure 4-5. Distribution Amplier Test Setup

Procedure

1. Set the synthesized-source frequency to 10 MHz and adjust its amplitude for a04.0 dBm

by

reading

pressing

on

4

STORE

the

power

4

on

5

1

Save

.

meter

synthesized-source

the

these synthesized-source

panel.

front

settings

2. Set the synthesized-source frequency to 10 MHz and adjust its

reading on the power meter

pressing

4

STORE542

5

on the synthesized-source front

3. Set the synthesized-source frequency to 100

reading on the power meter

pressing

4

STORE543

5

on the synthesized-source front panel.

. Save these synthesized-source settings in Register

panel.

MHz and adjust its amplitude for a

. Save these

synthesized-source settings in Register 3 by

Register

in

amplitude for a +4.0 dBm

1

2by

0

4.0 dBm

4. Set the synthesized-source frequency to 100 MHz and adjust its amplitude for a +4.0 dBm

by

reading

pressing

on

4

STORE

the

power

4

on

5

4

Save

.

meter

synthesized-source

the

synthesized-source

these

front

panel.

settings

Register

in

4

erication 4-13

V

Distribution Amplier Test

5. Set the synthesized-source frequency to 300 MHz and adjust its amplitude for a04.0 dBm

reading on the power meter. Save these synthesized-source settings in Register 5 by

pressing

4

STORE545

5

on the synthesized-source front panel.

6. Set the synthesized-source frequency to 300 MHz and adjust its amplitude for a +4.0 dBm

reading on the power meter. Save these synthesized-source settings in Register 6 by

pressing

4

STORE546

5

on the synthesized-source front panel.

7. Connect the synthesized source to A IN on the device under test (DUT).

8. One by one, connect the power sensor to the DUT's A 1 OUT,A2OUT, and A 3 OUT. Each

output should have a power level of 0 dBm61.0 dB (01.0 dBm to +1.0 dBm).

9. Press

4

RECALL545

5

to set the synthesized-source frequency and amplitude to the settings

given in step 5. Then repeat step 8.

10. Press

4

RECALL544

5

to set the synthesized-source frequency and amplitude to the settings

given in step 4.

11. One by one, connect the power sensor to the DUT's A 1 OUT,A2OUT, and A 3 OUT.Each

output should have a power level of 0 dBm62.0 dB (02.0 dBm to +2.0 dBm).

12. Press

13.

14.

15.

16.

given

Press

given

Press

given

Press

given

Repeat

4

RECALL543

step

in

4

RECALL

in

4

RECALL

in

4

RECALL

in

5

step

5

step

5

step 6.

steps 7

5

to set the synthesized-source frequency and amplitude to the settings

11.

set

step

synthesized-source

the

11.

step

synthesized-source

the

11.

step

synthesized-source

the

DUT's

the

for

14

frequency

distribution

and

amplier

amplitude to

amplitude

to

\B".

the settings

the

Repeat

3.

4

to

5

2

Repeat

2.

4

to

5

1

Repeat

1.

4

to

5

6

through

settings

4-14

Verication

Oscillator Adjustment

Purpose

This adjustment is used to calibrate the HP 70310A module's internal oscillator. This

adjustment is not necessary for HP 70310A Option 002 modules, because they do not have an

internal oven/oscillator.

Note

The HP 70310A module's oven/oscillator and the other module circuits must

be at operating temperature before this adjustment is performed. Mainframe

power and/or the external power-pack power must be applied for at least 24

hours for the oven/oscillator to reach operating temperature. Mainframe power

must be applied for at least one hour for the other module circuits to reach

operating temperature.

Description

The output signal from the HP 70310A module's 10 MHz or 100 MHz rear-panel output is

compared

being adjusted.

is

internal

to

oven/oscillator adjustments

an

external

The

frequency-reference

front-panel

oscillator

.

standard

adjustment

while

door

module's

the

removed

is

internal

allow

to

oscillator

access

Equipment

The HP

70310A

HP 70001A.

standard, a

module

adjustment

This

frequency

must

meter

also

,

be

and

installed

requires

various

an

in

10

a

cables

70000

HP

MHz

adapters

,

or

100

series

MHz

and

,

mainframe

external

connectors

such

frequency-reference

.

the

as

Procedure

Refer

the following

Use

Figure

4-6 for

procedure to

identication of

adjust

the parts

the

HP

called

70310A

in

out

module's

procedure

the

internal

.

oscillator

.

to

the

to

Note

When removing

the oscillator

adjustment door

,

be

careful

not

O-ring

the

lose

to

that is behind it.

1. Remove the socket-head cap-screw

Remove

2.

3. Remove

oscillator

the

cap-screws

the

adjustment

cover

that

(1)

door

the

.

(2)

FINE

and

(3)

the

and

O-ring

the

behind

ARSE

CO

door

the

(4)

adjustments

.

4. Connect the external frequency-reference standard to the frequency meter and note the

measured frequency

Disconnect the external frequency-reference standard.

5.

.

6. Connect the HP 70310A module's rear-panel 10 MHz or 100 MHz output to the frequency

meter.

7. While adjusting rst the COARSE

HP

the

frequency

calibration

8. Replace

9. Replace

output

cannot

the

of

be

cap-screws

O-ring

and

achieved,

over

the

(4)

70310A

the

FINE

the

oscillator

and then the FINE

match

70310A

and

(3)

to

the

module

CO

door

module

HP

adjustment

(3)

the

may

ARSE

.

(2)

adjustments, calibrate the

frequency

to

need

adjustments

(4)

measured

serviced.

be

in

.

erication 4-15

V

step

4.

If

Oscillator Adjustment

10. Replace the socket-head cap-screw

in place.

(1)

and tighten it to hold the oscillator adjustment door

Figure

4-6.

Oscillator

djustment

A

4-16

Verication

5

Troubleshooting

Introduction

This chapter contains information about HP 70310A module front-panel LEDs, and a listing of

the error codes for the HP 70310A module. The information in this chapter is designed to help

determine whether an error is being caused by the HP 70310A module.For more detailed HP

70310A troubleshooting information, refer to the

Service Manual

.

HP 70310A Precision Frequency Reference

If the error is not caused by the HP 70310A module, refer to the Installation and Verication

Manual for the system master (for example, HP 70900A) for more troubleshooting information.

Status/Error

70310A

HP

The

A

light

CT

REF

(active)

EXTERNAL

LEDs

the

The

Measurement

(error)

ERR

The

COLD

VEN

O

The

operating

to

internal

the

oven/oscillator

instrument

LEDs

Precision

status

are

LED

System

LED

self-test;

lights when

master

lights

during

temperature

turned

is

Frequency

.

LEDs

other reasons

.

when there

when

external

The

.

assembly

the

If

o.

Reference

ERR,

the

help

to

external

VEN

O

for

module

an

is

internal

power

maintain

front-panel

ve

has

and

,

COLD

LEDs'

the

activated

is

condition.

error

oven/oscillator

provides

pack

correct

the

power

pack

ERROR

PLL

lighting

an

by

assembly

power

operating

not plugged

is

LEDs

are

HP

CT

A

.

error

are

given

is

the

not

Modular

70000

for

temperature

in, or

and

LEDs

.

below

warmed up

heater

has an

if it

All

.

in the

when

open fuse, the temperature may not be maintained in the internal oven/oscillator assembly

and the OVEN COLD LED will light. The OVEN COLD LED should not light in HP 70310A

Option 002 modules (internal oven/oscillator assembly deleted).

The EXTERNAL REF LED lights when an appropriate external reference signal is connected

rear-panel

the

to

PLL

The

incorrect. An

or

ERROR

EXT

lights

LED

external

when the

reference

signal

must

signal

used

be

(internal

with

or

HP

external)

70310A

either

is

Option

absent

002

input.

REF

modules.

of

roubleshooting 5-1

T

Error Messages

The error codes generated by the HP 70310A Precision Frequency Reference are listed below in

numerical order.

Types Numbers

Usage/Operating . . . . ................................................2000 to 2999

Hardware Warning ..................................................6000 to 6999

Hardware Broken . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ......7000 to 7999

Usage/Operating Errors

These errors occur when the instrument is used incorrectly.

2001 illegal cmd

2002 illegal parameter

2006 Param out of range

Protocol error

2009

Service mode

2027

The

.

error

Hardware

These

error

hardware

W

codes

may

| This is a user-generated system protocol error.

system

only)

are not

70310A

indicate

This

|

in their

hardware

that

-- do

bandwidth

arning

report

broken.

be

This

|

IP/(For

or

Errors

status

the

These

user-generated

a

is

service

Reference

the

of

codes

error

Select

HP

protocol

is

error

user-generated

a

UTO

A

indicate

or

measurement

.

modes

that

accuracy

system

.

some

impaired.

Supply/Processor

ower

P

A2

the

The

1,

correct

or

,

5,

2,

on

the

or

setting

frequency

for

MHz

10

silk-screened

is

reference

module

the

source

6000

EAROM

board

unprotected

assembly is

side-cover

PLL error

6014

(internal

6015 Oven cold

switch

exists

to

set

of the

module

| Either

or external)

The

|

the

to

.

hardware

a

is not

write-protect

position.

write

failure

enough

close

| The A6 Oven/Oscillator assembly has not reached normal operating

temperature of approximately 85C, and there is no external reference applied. If the

error appears at power-up when the instrument has been o for more than fteen

minutes and then disappears after the instrument has been on for fteen to twenty

minutes, the most probable causes are: (a) the external power pack has an open fuse,(b)

the

(d)

external

HP

the

power

70310A

pack

module

is

not

has

properly

faulty

hardware

connected,

.

external

(c)

power

pack is

may

to

protocol

the

of

be

the

on

operate

faulty

left

.

or

,

Note

At ambient

the oven may not

approximately 85C.

6016 No Freq Reference

oven/oscillator is present.

Troubleshooting

5-2

temperatures below the specied operating range of the module

be able to generate enough power to keep itself at

| No external frequency reference is applied and no internal

,

Hardware Broken Errors

The following error codes are generated by hardware or rmware failures within the module.

7000 ROM check error

| A test of the module ROM has failed. The most probable cause is

faulty HP 70310A hardware.

7032 Oven RF error

| The output level of the A6 Oven/Oscillator assembly is absent or low.

The most probable cause is faulty HP 70310A hardware.

7033 Power supply error

| One or more of the following power supply voltages are out

of specication: +5 V,05V,or012 V. The most probable cause is faulty HP 70310A

hardware.

7034 Dist Amp A error

| Either the input to the A4 Distribution Amplier \A" board

assembly is beyond the specied operating range, or a hardware failure exists. The most

probable causes are either: (a) one or more outputs that are unleveled due to faulty

HP 70310A hardware, or (b) an input that is too low in power.

7035 Dist Amp B error

| Either the input to the A3 Distribution Amplier \B" board

assembly is beyond the specied operating range, or a hardware failure exists. The most

probable causes are either: (a) one or more outputs that are unleveled due to faulty

.

power

in

low

too

is

that

input

an

(b)

or

HP

,

The

|

70310A

MHz

10

hardware

output

.

is

either

absent

or

low

.

The

most

7045

70310A hardware

HP

10 MHz

cause

out error

is faulty

probable

roubleshooting 5-3

T

Index

A

accessories, 1-5

address map, 2-2

address switches

location, 2-3

setting, 2-3

C

cable connections, 2-8{10

D

distribution-ampliers

inputs,

outputs,

distribution

1-6

ampliers,

1-2

E

{10

electrostatic

discharge,

1-8

error

5-2

1-5

lights,

pack,

2-5

5-1

1-2

,

3-4

indicator

messages,

indicator

error

1-8

ESD,

external

power

ac

lights,

{10

power

source,

input, 1-6

installation, 2-5

line fuse, 2-6

line voltage selector, 2-5

external-reference signal, 1-2

requirements,

input

3-3

F

front-panel status and error LEDs, 5-1

H

hardkey, 1-1

HP 70310A

accessories, 1-5

installing in mainframe, 2-7

option 001, 1-2

option 002, 1-2

option 910, 1-2

option 915, 1-2

option W30, 1-2

rear-panel cable connections, 2-8{10

HP-MSIB address, 2-2

I

input and output connectors, 1-6

1-5

,

internal

adjustment,

oven/oscillator,

4-15

1-2

{16

L

LEDs,

1-5

M

module

conguration,

module-operation

2-1

checks,

2-11{14

O

options,

oscillator

1-2

adjustment,

4-15

{16

R

rear-panel

cable

connections,

2-8

S

sales and service oces, 1-11

screen text, 1-1

serial-number label, 1-2

location,

1-2

shipping

containers, 1-15, 1-16

instructions, 1-13

materials, 1-15, 1-16

softkey, 1-1

status and error LEDs, 1-5

W

warm-up time requirements, 3-2

{10

Index-1

Agilent 70310A Installation and Verification Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Contents

General Information

Installation

Troubleshooting

Index