HP 8112A Owner's manual

Operating, Programming and
Servicing Manual
HP 8112A 50 MHz Programmable
Pulse Generator
SERIAL NUMBERS
This manual applies directly to instruments with serial number
3205G010006 and below.
If your instrument has a higher serial number, refer to Appendix
C Updating which contains manual changes for later instruments.
Be sure to examine this supplement for changes which apply to your
instrument, and record these changes in the manual.
HP Part No. 08 112-90004
Microfiche Part No. 08112-95004
Printed in Federal Republic of Germany January 1992
First Edition
E0192

Notice
Subject Matter Notice The information in this document is subject to change without
notice.
Hewlett-Packard makes no warranty of any kind with regard to
this printed material, including, but not limited to, the implied
warranties of merchantability and fitness 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.
Copyright
This document contains proprietary information which is protected
by copyright. All rights are reserved. No part of this document may
be photocopied, reproduced or translated into another language
without the prior consent of Hewlett-Packard GmbH.
@ Copyright 1991 by Hewlett-Packard GmbH
Herrenberger Strasse 130, D-7030 Boeblingen
Federal Republic of Germany

PrintingHistory
New editions are complete revisions of the manual. Update
packages, which are issued between editions, contain additional and
replacement pages to be merged into the manual by the customer.
The date on the title page and back cover of the manual only changes
when a new edition is published. When an edition is reprinted, all
the prior updates to the edition are incorporated. No information is
incorporated into a new edition unless it appears in a prior update.
Edition
1
1
Print Date Manual Part
No.
February 1984 08112-90002 E0284
January 1992 08112-90004 E0192
Safety
This product has been designed and tested according to International
Safety Requirements. To ensure safe operation and to keep the
product safe, the information, cautions and warnings in this manual
must be heeded.
. ..
III

Preface
Introduction
This manual describes the following procedures for the HP 8112A
50MHz Programmable Pulse Generator:
W Installation
n Operation
n Programming
L Performance Test
n Adjustment
n Service
Certification
Hewlett-Packard Company certifies that this product met its
published specifications at the time of shipment from the factory.
Hewlett-Packard further certifies that its calibration measurements
are traceable to the United States National 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, HP will, at its option,
either repair or replace products which prove to be defective.
For warranty service or repair, this product must be returned to a
service facility designated by HP. The Buyer shall prepay shipping
charges to HP and HP shall pay shipping charges to return the
product to the Buyer. However, the Buyer shall pay all shipping
charges, duties, and taxes for products returned to HP from another
country.
HP warrants that its software and firmware designated by HP for
use with an instrument will execute its programming instructions
when properly installed on that instrument. HP does not warrant
that the operation of the instrument, software, or firmware will be
uninterrupted or error free.
Limitation of Warranty
The foregoing warranty shall not apply to defects resulting from
improper or inadequate maintenance by the Buyer, Buyer-supplied
software or interfacing, unauthorized modification or misuse,
operation outside of the environmental specifications for the product,
or improper site preparation or maintenance.
No other warranty is expressed or implied. HP specifically disclaims
the implied warranties of Merchantability and Fitness for a Particular
Purpose.
iv

Exclusive Remedies
The remedies provided herein are the Buyer’s sole and exclusive
remedies. HP shall not be liable for any direct, indirect, special,
incidental, or consequential damages, whether based on contract,
tort, or any other legal theory.
Assistance
Product maintenance agreements and other customer assistance
agreements are available for Hewlett-Packard products.For any
assistance, contact your nearest Hewlett-Packard Sales and Service
Office. Addresses are provided at the back of this manual.
V

Contents
Contents-l
1. Introduction
General ....................
Instruments Covered by This Manual .......
Instrument Description .............
HP 8112A Options ...............
Accessories ..................
Recommended Test Equipment ..........
2. Specifications
Introduction ..................
Timing Parameters ...............
Common Specifications ............
Period (PER) ................
Delay (DEL) (after Trigger Out) ........
Double Pulse (DBL) (interval between leading edges)
Pulse Width (WID) .............
Duty Cycle (DTY) ..............
Linear Transitions (between 10% and 90% amplitude)
Output Parameters ...............
High Level (HIL) ...............
Low Level (LOL) ...............
Operating Characteristics ............
Trigger Modes .................
Normal ...................
Trigger ...................
Gate ....................
External Width ...............
External Burst ................
Control Modes .................
Period, Delay, Double pulse and Width Control .
High-level Control ..............
Settling time (within 5% of final value) ....
Output Modes .................
Complement .................
Disable ...................
Limit ....................
Fixed transitions ...............
Cosine transitions ..............
Linear transitions ...............
Inputs and Outputs ...............
External Input ................
Control Input ................
l-l
l-l
l-2
1-2
l-3
l-4
2-l
2-l
2-l
2-2
2-2
2-2
2-2
2-2
2-2
2-3
2-3
2-3
2-3
2-4
2-4
2-4
2-4
2-4
2-4
2-4
2-4
2-4
2-4
2-5
2-5
2-5
2-5
2-5
2-5
2-5
2-5
2-5
2-5

Trigger Output . . .
.............
2-5
Main Output . . ..............
2-6
Additional Features . .
.............
2-6
General Characteristics .............
2-7
Environmental . . ..............
2-7
Power supply . . ..............
2-7
Weight . . . . . ..............
2-7
Dimensions . . . ..............
2-7
Recalibration period .............
2-7
3. Installation
Introduction ..................
Safety Considerations ..............
Initial Inspection ................
Power Requirements and Line Voltage Selection . .
Power Cable ..................
HP-IB Connector ................
HP-IB Logic Levels ...............
Operating Environment .............
Temperature .................
Humidity ..................
Instrument Cooling ...............
Claims and Repackaging .............
Storage and Shipment ..............
Return Shipment to HP .............
4. Operating
Introduction ..................
Switching On .................
Error Codes .................
Standard Parameter Set .............
Selecting Trigger Mode .............
Mode Selection ................
Controlling the External Trigger .........
Trigger Slope ................
Trigger Level ................
3-l
3-l
3-l
3-2
3-3
3-5
3-5
3-6
3-6
3-6
3-6
3-6
3-7
3-7
4-l
4-2
4-2
4-4
4-5
4-5
4-6
4-6
4-6
............. 4-6
............. 4-6
Trigger Output ................
4-6
Selecting Control Mode .............
Control Input ................
Mode Selection ................
Period Control (PERC) ...........
Delay Control (DELC) ...........
Width Control (WIDC) ...........
High Level Control (HILC) .........
Setting Transition Modes ............
Fixed ..................
Linear ..................
Gaussian ................
Transition Ranges ..............
4-7
4-7
4-8
4-8
4-8
4-8
4-8
4-10
4-10
4-10
4-10
4-11
Contents-2

Up and Down-ranging, Using the VERNIER keys .
4-11
Up and Down-ranging Using the RANGE key . .
4-12
Setting Parameters ...............
4-13
Selection ..................
4-13
Adjustment .................
4-13
Period/Burst Key ..............
4-13
(PER) ...................
4-13
IBUR) ...................
4-13
Delay/Double Key ..............
4-14
IDELI) ...................
4-14
(DBL) ...................
4-14
Width/Duty Key ...............
4-14
(WIOI A.1.. .............
4-14
m
...................
4-14
Leading and Trailing edge Keys B (TRE)
...
4-14
High and Low level Keys (HIL) m
.......
4-14
SetKey(SET)
................
4-14
Store and Recall Key (m)
..........
4-15
Selecting Output Mode .............
4-16
Limited Output m
............
4-16
Complement Output (s)
..........
4-16
Disabled Output (DISABLE)
............
4-16
Rear Panel ..................
4-18
HP-IB Connector ...............
4-18
x-out ...................
4-18
Marker Output ................
4-18
Hold In ...................
4-18
Fuse ....................
4-18
5. Operating Examples
Introduction ..................
Triggering Examples ..............
Normal Mode ................
Trig Mode ..................
Gate Mode .................
External Width Mode .............
External Burst Mode .............
Applications ..................
Analog Applications .............
Fixed transition mode ............
Linear transition mode ...........
Cosine shaped transition modes (Gaussian) . .
Digital Applications .............
Fixed transition mode ............
Linear variable transition mode .......
Cosine shaped transition mode ........
5-l
5-l
5-l
5-2
5-3
5-4
5-5
5-6
a- ‘6
5-6
5-6
5-6
5-7
5-7
5-7
5-7
Contents-3

6. Programming
General ....................
Setting the HP-IB Address ..........
Local, Remote and Local Lockout .......
Abbreviations used in this Document ......
Terminators .................
Programming ................
Example: .................
Example: .................
Multiple Commands .............
Examples: .................
Selecting Trigger Modes .............
Standard Trigger Modes ............
Trigger Control ...............
Example ..................
Selecting Control Modes .............
Example ..................
Selecting Output Waveform Mode ........
Example ..................
Setting Parameters ...............
Timing parameters ..............
Example ..................
Level parameters ...............
Example ..................
Burst Parameter ...............
Example ..................
Vernier ....................
Example ..................
Range Change .................
Example ..................
Stored Parameters ...............
Example ..................
Excessive Slope Calculation ...........
Example ..................
Reading parameters ...............
Standard ..................
Example ..................
Selecting Output Modes .............
Output Controls ...............
Example ..................
Reading the Current Settings ..........
Example ..................
Timing ....................
Data Transmission Time ...........
Send ...................
Answer ..................
Implementation Time .............
Hardware Settling Time ............
Error, Fault and Status Reporting ........
HP-IB Status Byte ..............
Limit Error (Bit 0) ..............
6-l
6-l
6-2
6-3
6-3
6-4
6-4
6-4
6-4
6-4
6-6
6-6
6-6
6-6
6-6
6-6
6-7
6-7
6-7
6-7
6-7
6-8
6-8
6-8
6-8
6-8
6-8
6-9
6-9
6-9
6-9
6-9
6-9
6-10
6-10
6-10
6-11
6-11
6-11
6-11
6-12
6-12
6-12
6-12
6-12
6-12
6-13
6-13
6-13
6-14
Contents-4