HP 16520A, 16521A Service Manual

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HP 16520A/16521A

PATTERN GENERATION MODULE

Service Manual

Flin-

~e.II

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HEWLETT

PACKARD

rlin-

~~

HEWLETT

PACKARD

SERVICE MANUAL

HP

Pattern Generator

16520A 50 MBit/s

Master

Card

AND

HP

16521A 50 MBit/s

Pattern Generator Expansion Card

© COPYRIGHT HEWLETT-PACKARD COMPANY/COLORADO DIVISION 1987

OF

1900 GARDEN

THE GODS ROAD, COLORADO SPRINGS, COLORADO U.S.A.

Manual Part No. 16520·90901
Microfiche Part No. 16520·90801

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ALL

RIGHTS RESERVED

PRINTED: SEPTEMBER 1987

CERTIFICATION

Hewlett-Packard Company certifies that this product met its published specifications at the time
shipment from the factory. Hewlett-Packard further certifies that its calibration measurements are
traceable to the
calibration facility, and to the calibration facilities of other International Standards Organization
members.

United States National Bureau of Standards, to the extent allowed

by

the Bureau's

of

WARRANTY

This Hewlett-Packard product
period of one year from date of shipment. During the warranty period, Hewlett-Packard
will, at its option, either repair or replace products which prove to

For warranty service or repair, this product must
Buyer

shall prepay shipping charges to

product to Buyer. However,

HP

returned to
HP

warrants that its software and firmware deSignated by

from another country.

execute its programming instructions when properly
warrant that the operation of the instrument or software, or firmware will
free.

is

warranted against defects in material and workmanship for a

be

defective.

be

returned to a service faCility deSignated by HP.

HP

and

HP

shall pay shipping charges to return the

Buyer shall pay

all

shipping charges, duties, and taxes for products

HP

for

use

with

an

instrument will

installed on that instrument.

be

uninterrupted or error

HP

Company

does not

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 the environmental specifications for the product, or improper site
preparation or maintenance.

NO OTHER WARRANTY
IMPLIED WARRANTIES

THE REMEDIES PROVIDED HEREIN ARE BUYER'S SOLE AND EXCLUSIVE REMEDIES.
SHALL NOT BE LIABLE
CONSEQUENTIAL DAMAGES, WHETHER BASED
THEORY.

IS

EXPRESSED

OF

MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

EXCLUSIVE REMEDIES

FOR

ANY

OR

IMPLIED. HP SPECIFICALLY DISCLAIMS THE

DIRECT, INDIRECT, SPECIAL, INCIDENTAL,

ON

CONTRACT, TORT,

OR

ANY

OTHER LEGAL

HP

OR

ASSISTANCE

Product maintenance agreements and other customer assistance agreements are available for
Hewlett-Packard products.

For any
provided at the back of this manual.

aSSistance, contact your nearest Hewlett-Packard Sales and Service Office. Addresses are

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CWA584

SAFETY CONSIDERATIONS

GENERAL - This
with terminal for protective earthing).

OPERATIO~

power transformer primary.
voltage, the correct fuse
are taken
Instrument's external markings which are described under
"Safety Symbols."

(see

Is

a Safety Class I Instrument (provided

- BEFORE APPLYING POWER verify that the
Is

matched to the available line

Is

Installed, and Safety Precautions

the following warnings). In addition, note the

I WARNING I

o Servicing Instructions are for use by service-trained

personnel. To avoid dangerous electric shock, do
perform any servicing unless qualified to do

o BEFORE SWITCHING

protective earth terminal of the Instrument must
connected to the protective conductor
powercord. The mains
socket outlet provided with a protective earth contact. The
protective action must not be negated by the use of
extension cord (power cable) without a protective
conductor (grounding). Grounding one conductor of a two­conductor outlet

Is

ON

THE INSTRUMENT, the

plug shall only

not sufficient protection.

so.

of

be

Inserted

the (mains)

not

be

In

an

Do

not Install substitute parts or perform any unauthorized

o

modification to the Instrument.

o Adjustments described

power

supplied to the Instrument while protective covers
are removed. Energy available at many
contacted, result In personal Injury.

o Any adjustment, maintenance, and repair

Instrument under voltage should be avoided
possible, and when
a skilled person who

CapaCitors Inside the Instrument may stili be charged even

o

If the Instrument has been disconnected from Its source
supply.

a

Instruction manual symbol. The product will

In

Inevitable, should

Is

aware of the hazard Involved.

SAFETY SYMBOLS

ill marked with this symbol when It

the user to refer to the Instruction manual

to protect against damage to the product.

the manual are performed with

pOints may, If

of

the opened

as

much as

be

carried

out

only

by

of

be

Is

necessary for

In order

If this Instrument

o

auto-transformer (for voltage reduction) make sure the
common terminal is connected to the earth terminal of the
power source.

o Any Interruption of the protective (grounding) conductor

(Inside or outside the Instrument)
protective earth terminal will cause a potential shock
hazard that could

It

Is

o Whenever

the Instrument must
against any unintended operation.

Only fuses with the required rated current, voltage, and

o

specified type (normal blow, time delay, etc.) should be
used. Do not use repaired fuses or short circuited
fuseholders. To do so could cause a shock or fire hazard.

o Do not operate the Instrument in the presence of flammable

gasses or fumes. Operation of any electrical Instrument
such

an

likely that the protection has been Impaired,

environment constitutes a definite safety hazard.

Is

to

be

energized

or

disconnecting the

result In personal Injury.

be

made Inoperative and be secured

via

an

~

Indicates hazardous voltages.

-L

Earth terminal (sometimes used In manual to
indicate circuit common connected
chassis).

The WARNING sign denotes a hazard. It

attention to a procedure, practice,

I WARNING I

performed or adhered to, could result
not proceed beyond a

conditions are

':::~:::::~:~~;:~!

~i

I

. correctly performed or adhered to, could result

or destruction

In

beyond a
fully understood

CAUTION sign until the Indicated conditions are

calls
or

the like, which, If

WARNING sign until the Indicated

fully understood and met.

The CAUTION sign denotes a hazard. It
calls attention to an operating procedure,

practice, or the like, which,

of

part or

all

of the product. Do not proceed

or

met.

to

grounded

not

correctly

In personal Injury. Do

If

not

In

damage to

S010984

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HP

16520/21 A-Table of Contents

TABLE OF CONTENTS

SECTION

I.

GENERAL INFORMATION

1-1. Introduction
1-2. Modules Covered By Manual
1-3. Safety Requirements

1-4. Product Description

1-5. Accessories Supplied
1-6. Accessories

1-7. Specifications

1-8. Operating Characteristics
1-9. Recommended Test Equipment

II.

INSTALLATION

2-1. Introduction
2-2. Initial Inspection
2-3. Preparation

2-4. Power Requirements

2-5. Safety Requirements
2-6. Probe Cable Replacement

...................................................................................

2-7. Installation

2-8. Module Installation
2-9. Adding Expansion Cards
2-10. Operating Environment

2-11. Storage
2-12. Packaging

2-13. Tagging

For

........................................................................

...........................................................................

.......... ~ ..............................................

..................................................................

...................................................................

.................................................................

Available

.........................................................................

...........................................................................

For

.............................................................................

.............................................................................

..........................................................................

Service

.................................................................

.............................................................

......................................................

.......................................................................

Use

..................................................................

.................................................................

..................................................................

............................................................

....•.............•...................................................

.............................................................

............................................................

................................................................

PAGE

1-1

1-1
1-1
1-1

1-2

1-2
1-2
1-2
1-2
1-2

2-1
2-1

2-1
2-1

2-1

2-1
2-1
2-1
2-2
2-8

2-10'
2-10
2-10

2-10

III. PERFORMANCE

3-1. Introduction

3-2. Recommended Test Equipment
3-3. Test Record

3-4. Performance Test Interval

3-5. Performance Test Procedures

3-6.

Data

3-7. Duty Cycle Test

iv

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TESTS

Period Accuracy Test

..................................

...........................................................................

...........................................................................

.......................................................................

:

......................................

......................................................

............................................................

""""",.,""""""""""""",.".,.,

.......................................

,

...................

.•

,"',.,'

3-1
3-1

3-1
3-1
3-1

3-1

3-2

3-8

HP

16520/21 A-Table of Contents

SECTION

IV.

ADJUSTMENTS

4-1. Introduction
4-2. Calibration Interval
4-3. Safety Requirements
4-4. Recommended Test Equipment
4-5. Extender Board Installation
4-6. Instrument Warmup
4-7. Adjustment And

V.

REPLACEABLE

5-1. Introduction
5-2. Abbreviations
5-3. Replaceable Parts List
5-4. Exchange Assemblies
5-5. Ordering Information

5-6. Direct Mail order System

VI.

SERViCE

..................................................................................

...........................................................................

....................................................................

..................................................................

......................................................

...........................................................

...................................................................

PARTS

Calibration Check

..........................................................................

...................................................

............................................................................

..........................................................................

................................................................

................................................................

..................................................................

.............................................................

..........................................................................................

PAGE

4-1
4-1

4-1
4-1
4-1
4-1
4-4
4-4

5-1
5-1

5-1
5-1
5-1
5-1
5-2'

6-1

6-1. Introduction
6-2. Safety Requirements
6-3. Recommended Test Equipment
6-4. Module Block Diagram and Theory Of Operation

............................................................................

...........................•......................................

......................................................

...................................

6-5. Pattern Generator Master Card Theory of Operation
6-6. Expansion
6-7.

Self Tests

Card Theory Of Operation

..............................................................................

6-8. Troubleshooting
6-9.

Card Replacement

6-10. Probe

Cable Replacement

.......................................................................

....... -...........................................................

.........................................................

................................................

................................

6-1
6-1

6~1

6-1
6-3
6-4
6-5

6-9
6-32
6-35

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v

HP

16520/21 A-Table of Contents

LIST OF TABLES

TABLE TITLE

1-1.

HP

16520/21 A Specifications

"HP

1-2.

16520/21 A Operating Characteristics

1-3. Recommended Test Equipment
3-1. Performance Test Record

.................................................................

........................................................

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•••••••••

0

••••••••••••••••••••••••••••••••••••••••••••••••••••••••

5-1. Reference Designators and Abbreviations
5-2. Replaceable Parts

.............................................................................

LIST OF ILLUSTRATIONS

FIGURE

2-1. Installation Guide
2-2. Endplate
2-3.
2-4.

2-5. One Master and three Expansion Cards

2-6. One Master and Four Expansion Cards
2-7.
2-8.
2-9. Endplate
2-10. Endplate
2-11. Configuration Guide

TITLE

Overlap

..............

................................................•......................•......

0

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

One Master and One Expansion Card
One Master and Two Expansion Cards

Cable End
Cable Position

..............................................................................

............ : ....................................................................

Overlap

Overlap

..............................................................................

....................................................

........................................................

....................................................

....................................................

0

•••••••••••••••

................................................

....

0

.................................................

.....................................................

......................................................

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.................

0 • • • • • • • • • • • • • • •

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0

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1-4

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1-8

3-13

5-3
5-4

PAGE

2-2
2-3
2-4
2-4

2-5

2-5

••

2-6
2-6
2-7
2-9

••

2-9

3-1

. Data Period Accuracy Test Equipment Hookup
3-2. Startup Screen
3-3.

Clock Field
Clock Period Screen

3-4.
3-5.

Channel Assignment Field

3-6. Data

Channel Select
3-7. Program Field
3-8. Numeric Entry
3-9.

Insert New Program Line
3-10. Program
3-11. Numeric Entry
3-12. Example Program
3-13. Run Repetitive Mode
3-14. Duty
3-15.

Cycle Test Equipment Hookup

Startup Screen
3·16. Set TTL Level
3-17.

Clock Field
3-18. Divide By 1 Field
3-19.
3-20. Data

Channel Assignment Field

Output Select
3-21. Example Program
3-22. Run Repetitive Mode
3-23. 25 MHz Square

................................................................................

.....................

0

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

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................................................

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0

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...

0

•••••

0

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.........................

.......................................................

.........................................................

...

0

••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••

..............................•................................

.................................•................

.....................................

..........

0

•••••••••••••••••••••••••••••••••••••••••••••••••••••••

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3-2
3-3
3-3
3-4

3-4
3-5
3-5
3-5
3-6
3-6
3-6
3-7
3-8
3-9
3-9

3-9
3-10
3-10
3-10
3-11
3-11
3-11

vi

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HP

16520/21 A-Table

of

Contents

LIST

FIGURE TITLE

4-1

. Card Endplate Overlap
4-2. Extender Board and Module
4-3. Adjustment
4-4. startup Screen
4-5.

Delete Field
Program Line Field

4-6.
4-7. User Defined Field
4-8.

Internal Clock
Period Selection

4-9.
4-10, Run Single Selection

HP

6-1.
6-2. Pattern Generator Master Card Block Diagram
6-3. Expansion Card
6-4. Startup
6-5. Load Test

6-6. Test
6-7. Main Test Menu

6-8.

6-9.
6-10. Exit Test System
6-11. Troubleshooting Flow Chart
6-12. Endplate Overhang
6-13.
6-14.
6-15. Endplate Overhang
6-16. Endplate Overhang
6-17. Card
6-18. Retainer And

6-19. Card Connectors

16520/21 A Pattern Generator Block Diagram

System Screen

Clock Rate Test Run Screen
Stop Field

Cable End
Cable"

On Antistatic Mat

Pot Location

................................................................................

....................................................................................

.................................................................................

...............................................................................

Block Diagram

Screen

Position

................................................................................

System

.........................................................

.....................................................................................

...................................................................................

...............................................................................

Screws

........................................................................

............................................................................

............................................................................

.........................................................................

.............................................................................

...........................................................................

...................•.........................................................

..........................................................................

..........................................................................

..........................................................................

......................................................................

........................................................................

............................................................................

OF

ILLUSTRATIONS

..................................................................

................................

..............................................................

.................................................................

................................................................

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

............................................

..............................................

~

.....................

PAGE

4-2
4-3

..

4.;.4
4-5
4-5
4-6
4-6
4-6
4-7

4-8
6-1

6-2
6-2
6-5
6-6
6-6
6-7
6-7
6-8

6-8
6-10
6-32
6-33

6-33,
6-34
6-35
6-36
6-36
6-37

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vii

GENERAL INFORMATION

TABLE

OF

CONTENTS

1-1. Introduction

1-2. Modules Covered By Manual
1-3. Safety Requirements
1-4. Product Description
1-5. Accessories Supplied
1-6. Accessories Available
1-7. Specifications
1-8. Operating Characteristics
1-9. Recommended Test Equipment

............................................................................

..........................................................

...................................................................

....................................................................

..................................................................

..................................................................

..........................................................................

........ ; .....................................................

.......................................................

1-1
1-1
1-1
1-2
1-2
1-2
1-2 .
1-2
1-2

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HP

16520/21 A - General Information

SECTION I

1-1. INTRODUCTION

This service manual contains information for
testing, adjusting, and servicing the
16520A
the
Expansion Card. This manual
six sections

Information
interfacing the
Generator Module
16520/16521 A Pattern Generator Operating
and Programming Manual
module.

The General
safety requirements, a product description,
and a
cessories available. Also included
listing specifications and operating characteris­tics, and a list of recommended test
equipment.

Listed on the title page of this manual
Microfiche part number. This number can
used to order 4 X 6 inch microfilm transparen­cies of the manual. Each microfiche contains
up to
pages. The microfiche package also includes
the latest Manual Changes supplement
as

50

MBit/s Pattern Generator Card,

HP

16521 A 50

as

- General Information

II

- Installation

III

- Performance Tests

IV

- Adjustments
V - Replaceable Parts
VI

- Service

for operating, programming,

list of accessories supplied

96

photo-duplicates of the manual

pertinent Service Notes.

MBit/s Pattern Generator

follows:

HP

16520A/16521 A Pattern
is

contained

supplied with each

Information Section includes

HP

is

divided into

in

the

HP

and

of ac-

are

tables

is

as

and

and

a

be

well

GENERAL

To complete the service documentation for
your system, place this service manual in the
3-ring binder with your Logic Analysis
Mainframe Service Manual.

INFORMATION

System

1-2. MODULES COVERED BY THIS

MANUAL

The

information covered

the

HP

16520A/16521 A Pattern Generator
Module.
module
be
panied

This supplement explains the changes and

how to adapt the manual to the newer card.
In

addition to the change information, the sup­plement may contain information for correct­ing errors

as

current
Hewlett-Packard recommends that you
periodically request the latest Manual Changes

Supplement.

If either of the two cards in the

have

changed, a new card number will

assigned and the manual will

by

a Manual Changes Supplement.

in

the manual. To keep this manual

and

accurate

in

this manual

as

possible,

be

is

accom-

for

1-3. SAFETY REQUIREMENTS

Specific warnings, cautions, and instructions
are

placed wherever applicable throughout the
manual. These must
phases
module. Failure to comply with them violates
safety standards of design, manufacture, and
intended use of this module. Hewlett-Packard
assumes no
tomer to comply with these safety
requirements.

of

operation, service, and repair of the

liability for the failure of the cus-

be

observed during all

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1-1

HP 16520/21 A - General Information

1-4. PRODUCT DESCRIPTION

The HP 16520A/16521 A Pattern Generator
Module is a general purpose digital stimulus.
The module consists
one master card and one or more expansion
cards. The HP
minimum
strobe channels, a clock out channel and three
dedicated input qualifier channels.
The HP 16521 A Expansion
dability with 48 additional data out channels.
Up to four expansion boards (192 channels)
can be connected to a single master board.
Some of the module's main features are:

configuration of 12 data and three

• Three strobe output channels (10 ns
minimum

• Three input qualifier channels, and
one input clock

• 50 MBit/s programmable pattern
generatation

of

one master card or

16520A master card offers the

Card offers expan-

resolution)

• Intercard Connecting Cable Kit
(HP 16521-88701)

• Input Qualifier Probe Cable
(HP

16520-61601)

•

8 Channel Data Probe Cable

16520-61602)

(HP

•

Clock Probe Cable (HP 16520-61603)

HP

16521A:

• 8 Channel Data Probe Cables

(HP

16520-61602) Qty 6

1-6. ACCESSORIES AVAILABLE

• 8 Channel

10345A)

(HP

• 8 Channel

(HP

10346A)

• Grabbers

• Service
(16520-90903)

ECl

Differential Driver Pod

TTL

Tristate Buffer Pod

(HP

5959-0288 Qty 20)

Data Supplement

• 4 k bit per channel memory depth

• Expandable to 204 data out channels
(1

HP 16520A and 4

•

TTL

and

ECl

interface levels

• Internally available clock rates be­tween 5 kHz and 50 MHz

• Intermodule

trigger capability

HP

16521

As)

1-5. ACCESSORIES SUPPLIED

The following accessories are supplied with

the H P 16520A/16521 A Pattern Generator
Module. Quantity one unless shown otherwise.

HP

16520A:

• Operating and Programming Manual
Set

'Service Manual

•

•

lead

Set Qty 2

10347A purple tip)

(HP

• Input Qualifier Probe Kit

16520-69501 grey tip)

(HP

1-7. SPECIFICATIONS

Module specifications are listed in table 1-1.
These specifications are the performance
standards against which the module is tested.

1

..

8.

OPERATING CHARACTERISTICS

Table 1-2 lists the module operating charac­teristics. The operating characteristics are
specifications, but are typical operating
characteristics included
tion for the user.

as

additional

not

informa-

1-9. RECOMMENDED TEST

EQUIPMENT

. Equipment for testing and maintaining the HP

16520A/16521 A Pattern Generator Module is
listed in table 1-3.
substituted if it meets or exceeds the critical
specifications listed in the table.

Other equipment

may

be

1-2

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Table 1-1. HP 16520/21 A SpecifIcations.

HP 16520A/21A SPECIFICATIONS

CLOCK SOURCES (HP 16520A ONLY)

INTERNAL CLOCK

HP

16520/21 A - General Information

Clock Period: Programmable from 20 ns to 200
Data Period Accuracy:

EXTERNAL

CLOCK (provided by user)

±

2%

(of period) ± 1 ns

Input Clock Period:

1 Hz to

50 MHz (20 ns min period)

frequency divide (/1, /5, or /10) provided.

Duty cycle:

minimum

high time, 10 ns

10 ns

STROBES (HP 16520A ONLY)

Number
Bits/Channel:

Maximum Bit Rate: 20 MBit/s (50 ns Period)
Edge Placement:

of

Strobes: 3

4095

(Eel

or TTL)

~

10M

Bits/s: tenths of period

> 10 MBits/s to 20 MBits/s: fifths of Period

(DELAY + WIDTH ~ PERIOD)

J1.s

in a 1-2-5 sequence.

Eel

minimum

low time

or TTL, internal

Minimum
Minimum

period

delay is
width is 1/10 (1/5) of data period,

0/10

(0/5),

maximum

delay

maximum

is

9/10 (4/5) data period.

width is the data

(values in parentheses apply to 20 MBits/s timebase setting).

If strobes are desired while operating with external clock, the data rate

will be divided to

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1/5

or 1/10 the external

clock

rate.

1-3

HP

16520/21 A - General Information

Table

1-2.

HP 16520/21 A Operating Characteristics

HP 16520/21A OPERATING CHARACTERISTICS

OUTPUT

Eight channel pods can
All characteristics

are

valid at the probe tip.

PARAMETER

VOH
VOL

(steady
(steady

state)
state)

Risetime/

Falltime

(typ)

Channel-to-

channel

(same

Skew*

card)

be

assigned

I

as

either standard

Eel

or TTL levels.

ECl

- 0.98V

- 1.55V 0.6V

2.3 ns
V

to

5 ns

-1.55

V)

(

(-0.98

<=

0.6

TTL

2.7V

2.5
V

to

<=

ns

2.7

5 ns

V)

Channel-to-

<10

channel

Skew*

ns

(card-to-card)

of

std

No.

(Output measurements made into a load consisting of 10 kn
ground.)

(*)

Skew measured at (+1.6

1-4

loads

3

(10

V)

TTL and (-1.3

KH

@

Vnh=IS0

ECl,

V)

Eel

mY)

levels.

<10

ns

3 (lSTTl, @ Vnl=2S0

in

series shunted with 10 pF to

mY)

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DATA CAPACITY

PARAMETER

Table

1-2.

HP

16520/21

HP

HP 16520/21 A - General

A Operating Characteristics (cont.)

16520A

HP

16521A

Information

Number

Bits

Maximum

Data Channels

Per Channel

Bit

Rate

50
(20 ns

INPUT

Maximum Input Voltage: ± 40V
Input Impedance: 100
External Clock-in to Clock-out delay: 50 ns

(HP

16520A only)

kn,

8

pF

PARAMETER

12

4095

MBit/s

Period)

ECl

NRZ

4095

50

MBit/s

(20 ns

TTL

48

NRZ

Period)

Vih

(min)

Vil

(max)

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-O.91V

-1.

69V

2.08V

1.12V

1-5

HP

16520/21 A - General Information

Table

1-2.

HP 16520/21 A Operating Characteristics (cont.)

EDITING FUNCTION

Program Listing: DELETE, MERGE, COPY, INSERT

LISTING

Binary, octal, decimal, hexdecimal, and symbol

BASES

STEP MODE

Single-step program execution

in

1 to 999 program line steps, from a break.

DATA INSTRUCTION SET

BREAK:
REPEAT: Repeats vector up to 256 times.
WAIT
WAIT EXTERNAL:

SIGNAL

Stops program execution, last data vector

1MB:

Wait for intermodule trigger.

Wait for user-defined 3-bit pattern on external input pod to become
true.

No

data cycle latency when pattern

ns

before next clock edge.

1MB:

is

held at output.

is

true between 30 ns and 0

1-6

MACRO:

Arms other measurement cards.

be

Four different macros may
character labels may
REPEAT, WAIT EXTERNAL,
structions.

be

defined and inserted

defined for each macro. Macros contain

WAIT

1MB,

BREAK, and SIGNAL

as

needed. Six

1MB

in-

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HP

16520/21 A - General Information

Table 1-2. HP 1G520/21A Operating Characteristics (cont.)

CURRENT

HP

16520A: 0.7

HP

16521 A: 0.8

ORA

W PER

amp

@ 5V

amp

@ 5V

CARD

OPERATING ENVIRONMENT

Temperature:

Instrument, 0 degrees to 55 degrees C (+32 degrees to

Probe lead sets and cables, a degrees to 65 degrees C (+32 degrees to

149 degrees

Humidity:

Instrument, up to
degrees

Altitude: To 4600 m (15,000 ft).
Vibration:

Operation: Random vibration 5-500 Hz, 10 minutes per axis,

F).

F).

95%

relative humidity at +40 degrees C (+104

-0.3

9 (rms).

131

degrees

F).

Non-operating:

Random vibration
swept sine resonant search,
resonant dwell @ 4 resonances per axis.

5-500 Hz, 10 minutes per axis, - 2.41 9 (rms); and

5-500 Hz, 0.75 9 (O-peak), 5

minute

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1-7

HP 16520/21 A - General Information

Table

1-3.

Recommended

Test

Equipment.

INSTRUMENT

Osci.l

loscope

Multimeter

BNC

Adapter

50

Ohm

Feedthru

Probe

Lead

Grabbers

Set

CRITICAL

200

3

1/2

SPECIFICATIONS

MHz

Bandwidth

digit

Qty

Qty

Qty

Resolution

2

1

2

Qty 4

RECOMMENDED

MODEL

HP

54201A

HP

3468A

HP

1250-1032

HP

10100C

HP

10347A

HP

6969-0288 P

USE*

P,T

A

P

P

P

Pulse

Generator

Extender Board

BNC

Cable

P=Performance

*

100

KHz

Repetition

Overshoot:

No

5%

of

Substitute

(m-to-m) 9 inch (Qty2)

Tests

A=Adjustments

Rate

Amp.

HP

B161A

HP

16500-69004

HP

10502A

T=Troubleshooting

P

A,T

P

1-8

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INSTALLATION

TABLE OF CONTENTS

2-1. Introduction
2-2. Initial Inspection
2-3. Preparation For
2-4. Power Requirements
2-5. Safety Requirements

............................................................................

........................................................................

Use

...................................................................

.............................

...................................................................

2-6. Probe Cable Installation
2-7. Installation
2-8. Module Installation

..............................................................................

....... ' ..............................................................

2-9. Adding Expansion Cards
2-10. Operating Environment

2-11. Storage
2-12. Packaging
2-13. Tagging For Service

...............................................................................

............................................................................

..................................................................

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

...............................................................

..............................................................

..............................................................

..

2-10
2-10
2-10
2-10

2-1
2-1
2-1
2-1
2-1
2-1
2-1
2-2
2-8

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HP

16520/21 A - Installation

2-1. INTRODUCTION

This section explains, how to initially inspect
the

HP

16520/21 A Pattern Generator Module,

how to prepare it for use, storage and ship-

are

ment. Also included
installation.

procedures for module

2-2. INITIAL INSPECTION

Inspect the shipping container for damage. If
the shipping container or cushioning material
is

damaged, it should
tents of the shipment have been checked for
completeness and the module
checked mechanically and electrically. The
contents of the shipment should
the "ACCESSORIES SUPPLIES" paragraph lo­cated in Section

be

kept until the con-

has

been

be

as

listed

I.

in

SECTION

INSTALLATION

2-4. POWER REQUIREMENTS

All

power supplies required for operating the

HP

16520/21 A Pattern Generator Module are
supplied to the module through the backplane
connenctor.

2-5. SAFETY REQUIREMENTS

Specific warnings, cautions, and instructions
are

placed wherever applicable throughout the

be

manual. These must
phases
module. Failure to comply with them violates
safety standards of deSign, manufacture, and
intended use of this module. Hewlett-Packard

assumes no liability for the failure of the cus-

tomer to comply with these safety

requirements.

of

operation, service, and repair of the

observed during all

·11

Procedures for checking electrical perfor-

are

mance
container
damage or defect, or the instrument does not
pass the performance tests, notify the nearest
Hewlett-Packard office.

If the shipping container
cushioning material shows signs of stress,
notify the carrier
Hewlett-Packard office.

material

Hewlett-Packard office will arrange for repair
or replacement at Hewlett-Packard's option
without waiting for claim settlement.

in Section III. If the contents of the

are

incomplete, there

is

as

well

as

Keep

so

the carrier can inspection it. The

is

mechanical

damaged, or the

the

the shipping

2-3. PREPARATION FOR USE

I

WARNING

Read the Safety Considerations in the

of

front
before
module.

this manual and in Section I

installing or operating this

I

2-6. PROBE CABLE INSTALLATION

The

HP

16520/21A Pattern Generator Module

comes with probe cables installed by the fac-

If a cable

tory.
and

ECl,

REPLACEMENT" in Section

is

to

be

switched between TTL

refer to "PROBE CABLE

VI

of this manual.

2-7. INSTALLATION

Do

not install, remove or replace the

module in the instrument unless the in-

is

strument power

The HP16520A Pattern Generator Card will

take up one slot in the card cage. For
HP

16521

A Expansion Card you connect to

the

HP

16520A Pattern Generator Card you

an

will need
four expansion cards may

HP

16520A Pattern Generator Card.

Installation procedures for the module and ad­ditional expansion cards
step-by-step

additional slot. A maximum of

in

turned off.

be

connected to the

are

shown

paragraphs 2-6 and 2-7.

every

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2-1

HP

16520/21 A - Installation

2·8. MODULE INSTALLATION

If you

are

installing the

card and one or more expansion cards),

an

cards to

existing module, follow the procedure "ADDING

2-9.

The

effects of
ponents.
service

HP

16520/21 A Pattern Generator Module (one master card or one master

ELECTROSTATIC

Use

grounded wrists traps

to

this

module.

follow this procedure. If you

EXPANSION

DISCHARGE

and

mats

can

when

damage

performing

are

adding more expansion

CARDS" in paragraph

electronic

any

com-

kind of

INSTALLATION

CONSIDERATIONS:

• Cards or filler panels below the empty slots intended for the module installation do not
have to

•

You

• If previously installed modules prevent proper installation, they must

card cage.

be

removed.

will need only one intercard connecting cable for any installation configuration.

be

repositioned in the

See

figure

2-1

.

• To maintain the channel-to-channel skew and adequate intercard signal quality, the short-

be

est intercard connecting cable should
more than two slots away from the master card.

Figure

2-1

is

a guide in choosing the correct intercard connecting cable and illustrates the expan-

sion card position relative to the master card.

MASTER

ANO

EXPANSION

CARD

ORIENTATION

E~_I~J

EXPANSION

used and the expansion cards should

See

figure 2-1.

Use

this guide at step d in the following procedure.

EXPANSION

EXPANSION

EXPANSION

be

no

2-2

MASTER

AHV

SLOT

SLOT

SELECTION

WASTER

J

IlASTER

EXPANSION

At((

TWO

ADJACENT

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SLOTS

WASTER

EXPANSION

ANY

ADJACENT

Figure

THREE

2-1.

SLOTS

Installation

WASTER

EXPANSION

ADJACENT

Guide

EXPANSION

EXPANSION

At((

FOUR

SLOTS

WASTER

ALL

SLOTS

18520/EX07

HP

PROCEDURE:

a.

Turn instrument power switch off, unplug power cord and disconnect any input or out­put connections.

b. Starting from the top, loosen thumb screws on filler panel(s) and card(s).

16520/21 A - Installation

c. Starting from the top, begin pulling card(s) and filler panel(s) out half way.

All

multi-card modules

pull

these cards out together.

TOP

will

CARD

be

cabled together.

Care.

should be taken to

¢:J1

NEXT

LCNlEST

<:

12

Figure

2-2.

Endplate Overlap

lu.ID11

See

figure 2-2.

d. If the module consists

If the module consists
plan your card configuration.

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of

one master card, this card can

of

multiple cards, use figure

be

installed in any available slot.

2-1

and figures 2-3 through 2-6 to

2-3

HP

16520/21 A - Installation

[Q]~o

I·

I

,.

~o

[Q]~o

I·

I

I·

~o

[Q](IDo

I·

<D

sa

<D

8..

CD

m

·

·I~

•

r.

I.

~o·l.

m

·

·I~

•

~

I.

oc::::J}o

·1.

m

·

·I~·

-

Irc::::==,

~.~I

• •

-

Irr:::::=:,

o •

Figure

~.

~.=nl

B.

2-3.

One

I·

-1III

I·

Master

I·

[Q]~o

[Q]~o

[Q]~o

and

<D

<D

One

Expansion

<D

lID

.

·I~

•

r.

-

lID

.

·I~

•

r.

-

Card

lID

.

·I~·

-

USE

CABLE

THIS

I

Ie

oc::::::l1o

[Q]~~

I·

••

<D

oc::::J}o

lID

·

•

r·

-

I.

P'

·1.

·I~·

•

r.

~.4\1

• •

E3.

I.

~.

..

~.l

•

[.

-

i

Ic::::'

===;.EJ::::iji

• •

USE

I

THIS

CABLE

-

~,.

~oc::::J}~o

~.~.~oe:::::l1~o~l

i

reI'

==.==EJ:n11

• •

Figure

2-4.

-

One

Master

and

Two

Expansion

Cards

2-4

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HP

16520/21 A - Installation

(g]~o

I·

(I)

lID

.

'I~'

-

r-

1

~

~~I.

,-

oc::::J1o

CD CD

oc::::J1o

-,.

-

f==i

=:=nl.'1

E3.

- -

[QJ(Wo

I·

CD

lID

.

·I~·

-

[-

-

,- oc::::J1o

••

oc::::J1o

Figure

-,

2-5.

-

One

Master

-

-

and

Three

USE

THIS

CABLE

Expansion Cards

[QJ~o

I·

1

..

----I.

,-

oc.t=:J1o •

lID

CD

0)

oe::::l1o

Figure

.

2-6.

'I~

.-

r-

-

,rc::::.

-,.

==.:::Iil'1

E3.

. -

-

One

Master

and

USE

CABLE

Four

Expansion Cards

THIS

2-5

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HP

16520/21 A - Installation

e.

Insert correct end of appropriate intercard connecting cable into connector on bottom card
of configuration.

f.

Lay cable flat and pointing out to the rear of card.

See

figure 2-7.

See

figure 2-8.

Figure

2-7.

Cable End Figure

2-8.

Cable Position

g. Slide card approximately half way into lowest slot that you are using for this installation.
h. Slide next card half way into next highest slot, feeding the intercard connecting cable up

through the hole.

i.

Insert appropriate connector into second card.

j. If there

are

more cards to install, repeat steps h through i until all cards are in place.

2-6

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HP

16520/21 A - Installation

k.

Firmly seat bottom card into backplane connector. Keep applying pressure to the
card endplate while tightening thumb screws finger tight.

I.

Repeat for

all

cards and filler panels in a bottom to top order.

See

figure 2-9.

NEXT
HIGHEST

BOTTOM

CARD

11AD1D1.

center

of

m. Any filler panels that are

all unused card slots for correct air circulation.

led in

Figure

not

used should be kept for future use. Filler panels must be instal-

2-9,

Endplate Overlap

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2-7

HP

16520/21 A - Installation

2·9. ADDING EXPANSION CARDS

This procedure should be used if you

are

adding expansion cards to a previously installed pattern

generator module.

The effects
ponents. Use grounded
service to this module.

INSTALLATION CONSIDERATIONS:

• Cards or filler panels below the empty slots intended for the module installation do
have to

be

removed.

of

ELECTROSTA

TIC

DISCHARGE can damage electronic com-

wriststraps

and

mats

when performing any

kind

of

not

• You will only need one intercard connecting cable for any installation configuration.

• If previously installed modules prevent proper installation, they must be repositioned in the
card cage.

See

figure

2-11

.

• To maintain the channel-to-channel skew and adequate intercard signal quality, the short­est intercard connecting cable should
more than two slots away from the master card.

PROCEDURE:

be

used and the expansion cards should

See

figure 2-11.

be

no

a.

Turr~

instrument power switch off, unplug power cord and disconnect any input or out-

put connections.

b. Starting from the top, loosen thumb screws on filler panel(s) and card(s).

c. Starting from the top, begin pulling card(s) and filler panel(s) out half way.

2-10.

See

figure

2-8

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All

multi-card modules

these cards out together.

will

¢Jl

NEXT

LOWEST

HP

be

cabled together. Care should be taken to

16520/21 A - Installation

pull

<

d. Pull
e.
f.

MASTER

MASTER

all

cards

in

pattern generator module completely out.
Disconnect intercard connecting cable from
Use

figure

2-11

and figures 2-3 through 2-6 to plan the new configuration and to select
the proper intercard connecting cable.

AND

EXPANSION

MASTER

EXPANSION

CARD

ORIENTATION

EXPANSION

LJ

.......

c!

TER

12

Figure 2-10. Endplate Overlap

LJ

EXPANSION

c!

EXPANSION

.......

TER

aI/

cards.

EXPANSION

EXPANSION EXPANSION

MASTER MASTER

EXPANSION

EXPANSION

At-N

SL.OT

SLOT

SELECTION

g. Go to step "e" of the procedure "MODULE INSTALLATION"

from that pOint. .

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At-N

ADJACENT

TWO

SLOTS

At-r(

ADJACENT

Figure 2-11. Configuration Guide

THREE

SLOTS

ANY

ADJACENT

EXPANSION

FOUR

SLOTS

in

paragraph

ALL

16520/EX07

2~8

and continue

SLOTS

2-9

HP

16520/21 A - Installation

2-10. OPERATING ENVIRONMENT

The operating environment
1-2.

Note the non-condensing humidity limita­tion. Condensation within the instrument can
cause poor operation or malfunction.
Protection should
condensation.

The

HP

16520/21 A will operate
tions within the temperature and humidity
range given in table 1-2. However, reliability
enhanced by operating the instrument within

the

following ranges.

Temperature:
Humidity:

be

+20 to +35° C

20%

to

80%

is

listed

in

table

provided against internal

at

all

specifica-

(+68

to +95°

non-condensing

F)

2-11. STORAGE

The module may
vironments within the

Temperature:
Humidity:
Altitude:

Feet)

The module should also
temperature extremes, which cause condensa­tion on the module.

be

stored or shipped

following limits:

_40°

C to +75° C

Up

to 90% at 65°C

Up

to 15,300 meters (50,000

be

protected from

in

en-

is

2-12. PACKAGING

Follow these general instructions for repacking
the module with commercially available
materials.

• Wrap module in anti-static plastic.

•

Use

a strong shipping container. A

double-wall carton made of

is

material

•

Use
70-to-100 mm (3-to- 4 inch) thick around
all

sides of the module to provide firm
cushioning and prevent movement inside
the container.

•

Seal

• Mark shipping container FRAGILE to en­sure careful handling.

•

In

any correspondence, refer to module

by model number and board number.

2-13. TAGGING

If the module
Hewlett-Packard office for service or repair, at­tach a tag with your name and address, the
complete board number, and a description of
the service required.

adequate.

a layer of shock-absorbing material

shipping container securely.

FOR

SERVICE

is

to

be

shipped to a

350 lb. test

2-10

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