HP E1440A User Manual
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HP
75000
SERIES
C
21
MHz
Synthesized
Generator
HP
E1440A
User's
Manual
SERIAL NUMBERS
This manual applies to
all
instruments.
Fa
HEWLETT
PACKARD
HP Part No.
E1440-90011;
Microfiche Part
Number:
E1440-95011
Printed
in
the Federal Republic of Germany, April
1992
Second Edition
E0492
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Notices
Subject Matter
Restricted Rights
Legend
Front Cover Photograph
The information contained in this document is subject to change
without notice. HEWLETT-PACKARD
(HP)
MAKES
NO
WARRANTY OF ANY KIND WITH REGARD TO THIS
MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE. HP 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.
Hewlett-Packard Company assumes no responsibility for the use or
reliability of its software on equipment that is not furnished by HP.
Use, duplication, or disclosure by the Government is subject to
restrictions as set forth in subdivision
(b)(3)(ii) of the Rights in
Technical Data and Computer Software clause at 52.227-7013.
Hewlett-Packard Company; 3000 Hanover Street; Palo Alto,
California 94304
--.-
The instrument photograph on the front cover shows the HP E1440A
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 to another language without the prior written consent of
Hewlett Packard GmbH.
@
Copyright 1992 by Hewlett-PaLkard GmbH
Herrenberger Str. 130, D-7030 Boeblingen
Federal Republic of Germany
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-
Printing History
The Printing History shown below lists
of this manual and the printing date(s). The first printing of the
manual is Edition
The Edition number increments by 1 whenever the manual is revised.
Updates, which are issued between Editions, contain replacement
pages to correct the current Edition of the manual. Updates are
numbered sequentially starting with Update
is created, it contains
Edition. Each new Edition or Update also includes a revised copy of
this printing history page. Many product updates or revisions do
not require manual changes and, conversely, manual corrections may
be done without accompanying product changes. Therefore, do not
expect a one-to-one correspondence between product updates and
manual updates.
Control Serial Number: Edition
1.
all
the Update information for the previous
Printing History
Edition Date
Edition
Edition
1
May
2
April 1992 E1440-90011 E0492
2
1990 E1440-90011 E0590
all
Editions and Updates
1.
When a new Edition
applies directly to all instruments.
Part
Number
CODE
Operational Safety
This product has been designed and tested according to International
Safety Requirements. To ensure safe operation, and to keep the
product safe, heed the symbols, warnings and cautions contained in
this section.
The following general safety precautions must be observed during
all
phases of operation, service, and repair of this product. Failure
to comply with these precautions or with specific warnings elsewhere
in this manual violates safety standards of design, manufacture, and
intended use of the product. Hewlett-Packard Company assumes no
liability for the customer's failure to comply with these requirements.
DO NOT operate the product in an explosive atmosphere or in the
presence of flammable gases or fumes.
Keep away from live circuits: Operating personnel must not remove
equipment covers or shields. Procedures involving the removal of
covers or shields are for use by service-trained personnel only. Under
certain conditions, dangerous voltages may exist even with the
equipment switched off.
To avoid dangerous electrical shock, DO NOT perform procedures
involving cover or shield
removal unless you are qualified to do so.
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DO
NOT
operate damaged equipment: Whenever it is possible
that the safety protection features built into this product have been
impaired, either through physical damage, excessive moisture, or
any other reason, REMOVE POWER and do not use the product
until safe operation can be verified by service-trained personnel.
If
necessary, return the product to a Hewlett-Packard Sales and
Service Office for service and repair to ensure that safety features are
maintained.
DO NOT service or adjust alone: Do not attempt internal service or
adjustment unless another person, capable of rendering first aid and
resuscitation, is present.
DO NOT substitute parts or modify equipment: Because of the
danger of introducing additional hazards, do not install substitute
parts or perform any unauthorized modification to the product.
Return the product to a Hewlett-Packard Sales and Service Office for
service and repair to ensure that safety features are maintained.
Warning
@
Safety
A
I
The WARNING sign denotes a hazard. It calls attention to a
procedure, practice or the like, which, if not correctly performed
or adhered to, could result in injury or loss of life. Do not proceed
beyond a WARNING sign until the indicated conditions are fully
understood and met.
Symbols
I
-
-
A
ATTENTION
Static Sensltlve
The apparatus will be marked with this symbol when
it is necessary for the user to refer to the instruction
manual in order to protect the apparatus against
damage.
Indicates dangerous voltages.
Earth terminal.
Protective earth.
Affixed to a product containing static sensitive
-
devices
to prevent electrostatic discharge damage to
components.
use anti-static handling procedures
The CAUTION sign denotes a hazard. It calls attention to an
Caution
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1)
operating procedure, practice or the Like, which, if not correctly
performed or adhered to, could result in damage to or destruction
part or
sign until the indicated conditions are fully understood and met.
all
of the equipment. Do not proceed beyond a CAUTION
of
Warranty
This Hewlett-Packard product is warranted against defects in
materials and workmanship for a period of three years from date of
shipment. Duration and conditions of warranty for this product may
be superseded when the product is integrated into (becomes a part
of) other HP products. 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 (HP). Buyer shall
prepay shipping charges to
return the product to Buyer. However, Buyer shall pay all shipping
charges, duties, and taxes for products returned to HP from another
country.
HP warrants that its software and firmware designated by HP
for use with a product will execute its programming instructions
when properly installed on that product. HP does not warrant
that the operation of the product, or software, or firmware will be
uninterrupted or error free.
HP
and
HP
shall pay shipping charges to
Limitation
of
Warranty
Exclusive Remedies
The foregoing warranty shall not apply to defects resulting from
improper or inadequate maintenance by Buyer, Buyer-supplied
products or interfacing, unauthorized modification or misuse,
operation outside of the environmental specifications for the product,
or improper site preparation or maintenance.
The design and implementation of any circuit on this product is the
sole responsibility of the Buyer. HP does not warrant the Buyer's
circuitry or malfunctions of HP products that result from the Buyer's
circuitry. In addition, HP does not warrant any damage that occurs
as a result of the Buyer's circuit or any defects that result from
Buyer-supplied products.
NO OTHER WARRANTY IS EXPRESSED OR IMPLIED. HP
SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES
MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE.
The remedies provided herein are Buyer's sole and exclusive
remedies. Hewlett Packard shall not be liable for any direct, indirect,
special, incidental, or consequential damages whether based on
contract, tort, or any other legal theory.
OF
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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.
Radio Frequency
Interference Statement
Deutsche Bundespost
Manufacturer's
Declaration
(Federal Republic of Germany only)
Herste]lerbescheinigUng
Hiermit wird bescheinigt, dass dieses Geraet/System
C
betrieben im HP 75000 Series
den Bestimmungen von Postverfuegung 1046 184 funkentstoert ist
Der Deutschen Bundespost wurde das Inverkehrbringen dieses
Geraetes/Systems angezeigt und die Berechtigung zur Ueberpruefung
der Serie auf Einhalt ung der Bestimmungen eingeraeumt
Zusatzinformation fuer Mess- und Testgeraete:
Werden Mess- und Testgeraete mit ungeschirmten Kabeln
und/oder in offenen Messaufbauten verwendet, so ist vom Betreiber
sicherzustellen, dass die Funk-Ent st oerbestimmungen unt er
Betriebsbedingungen an seiner Grundstuecksgrenze eingehalten
werden.
This is to certify that the equipment HP E1440A meets the radio
frequency interference requirements of Directive FTZ 1046184, when
used in the
been notified that this equipment was put into circulation and has
been granted the right to check the product type for compliance with
these requirements.
HP
75000 Series C System. The German Bundespost has
System in Uebereinstimmung mit
HP
E1440A,
.
.
&
Certification
Additional Information for Test and Measurement Equipment:
If
test and measurement equipment is operated with unscreened
cables and/or used for measurements on open set-ups, the user has to
assure that under operating conditions the Radio Interference Limits
are still met at the border of the user's premises.
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 (formerly National Bureau of Standards), to the
extent allowed by that organization's calibration facility, and to the
calibration facilities of other International Standards Organization
members.
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--
Introduction
This manual is arranged into five categories:
General Information
General descriptions of the equipment and preparation for use
instructions
-
Chapters 1 and
2
Operating Information
Setting up and sample programs, programming techniques
-
Chapters 3 and
4
Programming Informat ion
Explanation of each software command applicable to the
HP
E1440A
-
Chapter
5,
Appendix B and Appendix
D
Specifications
Appendix
A
Customer Assistance
Sales and Service information: Appendix
F.
vii
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Contents
1
.
Getting Started
...............
Using this Chapter
...............
General Description
................
Key Features
.............
Instrument Overview
.............
Physical Description
............
Introduction to Operation
................
Programming
Self Test
..................
...............
The Error Queue
...............
Sample program
........
Checking the Instrument Output
....................
Reset
............
Front Panel Connections
Marker TTL
.................
X-Drive
...................
...................
Pen lift
Sync-Out TTL
................
Output
...................
...............
Ref Out lOMHz
Ref
In
1/1OMHz
...............
.................
AM
(f
5V)
..................
PM
(f
5V)
Front Panel Indicators
.............
Failed
....................
...................
Access
Error
....................
Output On
.................
....................
Caution
2
.
Coniiguring the
HP
E1440A
Using this Chapter
...............
...................
Inspection
Claims and Repackaging
............
.............
Storage and Shipment
Return Shipments to HP
...........
.................
Configuration
..........
The Logical Address Switch
............
Changing Module Settings
Installation
..................
...........
Installing the HP E1440A
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3
.
Using
the
HP
E1440A
Using
this Chapter
...............
3-1
Sample Programs
................
3-1
...............
Typical Commands 3-2
.........
[:S 0URceI:OUTPut Command 3-2
:ROSCillator Command
............
3-2
...............
FUNC Command 3-2
...............
FREQ Command 3-3
Programming Examples
.............
3-3
Function Generator
..............
3-3
Multi-Interval Sweep Generator
........
3-4
Multi-Marker Sweep Generator
.........
3-5
Using the Command Group Feature
......
3-6
..............
Sample program 3-6
Using *OPC? to Synchronize the HP E1440A
. .
3-
7
Using *WAI to Synchronize the HP E1440A
...
3-11
4
.
Understanding the HP
E1440A
Using this Chapter
...............
...............
A System Overview
The VXIbus Interface
.............
The Microprocessor System
..........
The Synthesizer
...............
The Function Generator
............
The Output Unit
...............
Amplifier
.................
Attenuator
................
Sweep Generator
..............
Front Panel
................
Planning and Programming
...........
The HP E1440Ain a Test Environment
......
..............
Signal Parameters
FREQuency
................
AMPLitude
................
OFFSet
..................
PHASe
..................
.................
Value Coupling
General
...................
.................
Example
Example of processing value coupled commands
Sweep
....................
Example
:
.................
Functional Coupling
..............
[:SOURce]:FREQuency [:CW]
.........
........
[:SOURce]:ROSCillator :SOURce
......
[:SOURce]:SWEep :TIME:RETRace
..............
Programming Pitfalls
Sweep
....................
Minimal MARKer distances
..........
FUNC TTL and FUNC DC limitations
.....
:VOLT <due> <unit> / :VOLT:UNIT
....
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"WAI and *OPC?
..............
4-18
Connections
..................
4-18
5
.
Command
Reference
Using This Chapter
...............
5-1
Command Types
................
5-1
SCPI Command Format
............
5-1
Command Separator
.............
5-1
The SCPI command parser
...........
5-2
Definition of terms
..............
5-2
Common commands
/
SCPI commands
....
5-2
Program message
..............
5-2
Program message unit (command)
......
5-2
Command node
..............
5-3
Optional node
...............
5-3
End node
.................
5-4
Implied root node
.............
5-4
Current base node
.............
5-4
How the parser works
.............
5-4
Example
.................
5-5
Parameters
.................
5-6
Linking Commands
..............
5-7
Common Command Format
..........
5-7
SCPI Command Reference
............
5-8
....................
ABORt 5-8
Subsystem Syntax
..............
5-8
Comments
..................
5-8
..................
Example 5-8
CALibration
..................
5-9
Subsystem Syntax
..............
5-9
..................
Comments 5-9
CAL? Results
................
5-9
...................
INITiate 5-11
Subsystem Syntax
..............
5-11
................
:CONTinuous 5-11
Parameters
.................
5-11
Comments
..................
5-11
[:IMMediate]
.................
5-11
Comments
..................
5-11
...................
OUTPut 5-12
Subsystem Syntax
..............
5-12
..................
[:STATe] 5-12
Parameters
.................
5-12
Comments
..................
5-12
..................
[:STATe]? 5-13
:AMPLify
..................
5-13
High Voltage Option 001
..........
5-13
Parameters
.................
5-13
Comments
..................
5-13
:TTLTrg<n> [:STATe]
.............
5-14
Parameters
.................
5-14
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..................
Comments
:TTLTrg<n>:SOURce
............
.................
Parameters
:TTLTrg<n>:AOFF
.............
[:SOURce]
...................
Subsystem Syntax
..............
..................
Comments
.................
[:SOURce]:AM
Subsystem Syntax
..............
.................
Parameters
Comments
..................
.............
[:
SOURce] :FREQuency
Subsystem Syntax
..............
:FREQuency[:CW I :FIXed]
..........
:FREQuency:MODE
.............
:FREQuency :STARt :STOP
..........
:FREQuency:CENTer
.............
:FREQuency:SPAN
..............
..............
[:SOURce]:FUNCtion
..............
Subsystem Syntax
..................
Comments
................
[:SOURce]:LIST
Subsystem Syntax
..............
:LIST:FREQuency
..............
................
:LIST:DWELl
...............
:LIST:SEQuence
[:SOURce] :MARKer[<n>]
...........
..............
Subsystem Syntax
..................
Comments
[:SOURce]:PHASe
...............
Subsystem Syntax
..............
..................
Comments
Example:
..................
.................
[:SOURce]:PM
Subsystem Syntax
..............
Parameters
.................
..................
Comments
.............
[:SOURce] :ROSCillator
Subsystem Syntax
..............
..................
Comments
...............
[:SOURce]:SWEep
Subsystem Syntax
..............
:SWEep:TIME
................
:S WEep:TIME:RETRace
...........
.................
Comments
.STATUS
....................
.............
:STATus:OPERation
Subsystem Syntax
..............
comments
..................
:STATus:QUEStionable
............
:STATus:QUEStionable :FREQUENCY
.....
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...............
:STATus:PRESet
...................
:SYSTem
..............
Subsystem Syntax
..............
:SYSTem:ERRor?
..............
:SYSTem:PRESet
.............
:SYSTem:VERSion?
....
IEEE 488.2 Commands for the HP E1440A
....................
*CLS
....................
*ESE
...................
*ESE?
...................
*ESR?
...................
*IDN?
....................
*OPC
...................
*OPC?
....................
*RCL
....................
*RST
....................
*SAV
....................
*SRE
...................
*SRE?
*STB?
...................
...................
*TST?
....................
*WAI
A
.
Specifications
..................
Waveforms
Frequency
...................
..........
Main Signal Output (Typical)
...............
Amplitude into 50fl
............
Sinewave Spectral Purity
.......
Squarewave Characteristics (Typical)
..........
Triangle/Ramp Characteristics
...................
DC Offset
Phase Offset
..................
Sinewave Amplitude Modulation (Typical)
.....
...........
Phase Modulation (Typical)
................
Frequency Sweep
...........
Auxiliary Outputs (Typical)
...........
Auxilliary Inputs (Typical)
VXIbus Interface Capabilities
..........
Option
001
High-Voltage Output Amplifier
....
General (Typical refer to VXI System Specification)
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B
.
Register Programming
Registers
...................
...............
Status Reporting
.................
Error Queue
Status Registers
................
Using the Registers
...............
...............
Sample Program
.................
Program
Performance tests
Introduction
.................*
Test Record
..................
Recommended Test Equipment
..........
Functional Verification Tests
...........
Performing a Self-test
.............
Starting the test
..............
Reading the Error Queue
..........
Example program
.............
Checking the Instrument Output
........
Operational Verification Tests
..........
Without a Controller
.............
With a Controller
..............
Performance Verification Tests
..........
.................
Introduction
Harmonic Distortion
.............
Specifications
...............
............
Equipment Required
Procedure
.................
High-Voltage Output (Option 001)
......
Spurious Signal
...............
...............
Specifications
Equipment Required
............
Mixer Spurious Procedure
..........
Close-in Spurious (Fractional N Spurs) Procedure
Integrated Phase Noise
............
...............
Specifications
............
Equipment Required
Procedure
.................
Frequency Accuracy
.............
...............
Specifications
............
Equipment Required
Procedure
.................
Phase Increment Accuracy
...........
Specifications
...............
............
Equipment Required
.................
Procedure
.............
Amplitude Accuracy
Specifications
...............
Equipment Required
............
Amplitude Accuracy at Frequencies upto 100
kHz
Procedure
...............
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......
High-Voltage Output (Option 001)
Amplitude Accuracy (Frequencies
>
100
kHz)
.
......
High-Voltage Output (Option 001)
.........
DC Offset Accuracy (DC only)
...............
Specifications
............
Equipment Required
.................
Procedure
.............
Attenuator Test
......
High-Voltage Output (Option 001)
.....
DC Offset Accuracy with AC Functions
...............
Specifications
............
Equipment Required
.................
Procedure
..............
Triangle Linearity
...............
Specifications
............
Equipment Required
.................
Procedure
.................
Test Facility
:
................
Test Conditions
:
..............
Installed Options
:
............
Ambient Temperature
:
..............
Relative Humidity
:
Line Frequency
:
...............
Special Notes
:
.................
Test Equipment Used
:
.............
Harmonic Distortion
..............
Spurious Signals
................
Integrated Phase Noise
.............
Frequency Accuracy
..............
Phase Increment Accuracy
............
Amplitude Accuracy
..............
DC Offset Accuracy (DC only)
..........
DC Offset Accuracy with AC Function
......
Triangle Linearity
...............
D
.
Command Quick Reference
..................
Introduction
E
.
Error Messages
..................
Introduction
..................
Message List
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F
.
Sales
and
Service Offices
Information
..................
F-
1
Asia
....................
F-
1
Canada
...................
F-1
Eastern Europe
...............
F-
1
Northern Europe ...............
F-
1
South East Europe ..............
F-
1
Middle East and Central Africa
........
F-
2
United Kingdom
...............
F-2
United States of America
...........
F-2
Eastern USA .................
F-2
Midwestern USA
...............
F-2
Southern USA
................
F-2
Western USA
................
F-2
Other International Areas
............
F-3
Index
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Figures
1.1
.
Block Diagram of the HP E1440A
.......
1-2
1.2
.
HP E1440A Front panel
............
1-6
2.1
.
Address Switch and Jumper Location
......
2-3
2.2 . Address Switch Settings
............
2-4
2.3
.
Jumper JlOl Links Settings
..........
2-5
4.1
.
Simplified Block Diagram
...........
4-1
4.2
.
Synthesizer Block Diagram
..........
4-2
4.3
.
Handling of Value Coupled Commands
.....
4-12
B.1
.
Status Register Subset
............
B-2
C.1
.
Service Switch
................
C- 7
C.2
.
Example Service Switch Setting
........
C-7
C.3
.
Harmonic Distortion Verification Test Set-Up
(High-Voltage Output)
...........
C-12
C.4
.
Mixer Spurious Test Set-Up
..........
C-14
C.5
.
Integrated Phase Noise Test Set-Up
.......
C-17
C.6
.
Phase Increment Accuracy Test Set-Up
.....
C-20
C.7
.
Function Amplitude Accuracy Test Set-Up
...
C-23
C.8
.
High voltage sinewave accuracy test set.up
....
C-26
C.9
.
Function Amplitude Accuracy Test Set-Up
(High-Voltage Output)
...........
C-27
C.10
.
Test set-up for Amplitude Accuracy Adjustment
(Frequency
>
100 kHz)
...........
C-28
C.11
.
500 0 300 pF loadlvoltage divider
.......
C-30
C.12
.
DC Offset Test Set-Up
............
C-34
.........
C.13 . Triangle Linearity Test Set-Up
C-36
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Tables
1.1
. Instrument Reset State
............
3.1
. Values for FUNC Command
..........
3.2 . Frequency Controls
..............
4-
1
. Frequency Ranges
..............
4.2 . Amplitude Limits of AC Functions
.......
4.3 . High-Voltage Output Amplitudes
........
4.4 . Maximum DC Offset with any AC Function
...
4.5 . El440 Command Group Assignment
......
4.6 . Illegal El440 Commands in FREQ:MODE LIST
/
.................
SWEEP
5.1
. Operation Status Register
...........
5.2 . Questionable Status Register
..........
5.3 . Questionable Frequency Register
........
5.4 . Common Command Summary
.........
5.5 . Reset State (Standard Setting)
.........
C.1 . Recommended Test Equipment for Tests
....
.
..............
C.2 Self-test result bits
C.3
. Service Switch Parameter Settings
.......
.......................
C.4
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Getting Started
Using this Chapter
This chapter introduces you to the VXIbus, HP E1440A Synthesized
FunctionJSweep Generator. The main sections of the chapter are:
..............................................
rn
General Description
1-1
Introduction to Operation
....................................
1-3
Front Panel
........................................................
1-6
General Description
The HP E1440A Synthesized FunctionJSweep Generator is a
multi-task signal generator, built as a C-size (double slot) plug-in
module, for use with other similar modules in a VXI mainframe. It
can be used as:
a reference source
Produces a sine wave of a specified frequency, amplitude, DC offset
and phase.
a function generator
Produces various waveforms at a specified frequency, amplitude,
DC offset and phase.
a sweep generator
Produces logarithmic and linear frequency sweeps.
Key
Features
Key features of the HP E1440A are as follows:
5
different waveforms can be output
Variable offsets and amplitudes
rn
Can be used as a DC source
rn
Multi-interval or multi-marker sweep capabilities
rn
Sweep sequencing
rn
Combined linear and logarithmic sweeps
rn
Phase-continuous sweep
Message based module (responds to
high
level ASCII SCPI
commands)
rn
Save/recall instrument settings
rn
Compatible with VXIbus mainframe unit and associated modules
Getting
Started
1-1
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-
Introduction to
Operation
This section contains information on checking communication
between the synthesizer, mainframe and the computer. It includes
information on returning the synthesizer to a known operating state
if
(reset), should programming errors occur or
a restart is necessary.
Note
Programming
Before the
adjustments may need to be made to the module and then it has
to be installed in the mainframe. Details of these tasks are given in
Chapter 2
The HP El4408 has been designed so that it can be controlled by
an external computer. Its operations are therefore performed by a
series of programmable commands using SCPI. There are no manual
controls.
This section gives only brief general information on how to control
the HP
the commands specific to the HP E1440A, see Appendix
Quick
Programming information in this chapter is restricted to HP
E1440A specifics, and assumes that you are familiar with VXIbus or
VMEbus intrinsics.If you are not familiar with these, then refer to
industry standard publications about the VMEbus and the following
publications:
rn
The "VXIbus System Specification7' published by The VXIbus
Consortium, Inc.
HP
E1440A can be used, some system configuration
Configuring the
E1440A using a controller module. For a short form list of
Reference.
HP
E1440A.
D
Command
Self
Note
Test
)46
rn
ANSIIIEEE-488.2-1987, "Digital Interface for Programmable
Instrumentation" published by the Institute of Electrical and
Electronic Engineers
A complete syntax list of the HP E1440A programming commands
can be found in Chapter
Once the mainframe and module have been powered up (see Chapter
2 for instructions on how to check and set the module address),
the synthesizer is ready for use. During power-up, the HP
automatically executes an internal check and makes sure it is able to
communicate with the back plane of the VXI mainframe.
The HP E1440A has a "Failed" indicator that remains on if the
synthesizer is not able to communicate with the controller.
This self test routine can also be executed on command and therefore
sending the self test command is an easy way to check that you
are correctly addressing the synthesizer. Self test is also useful in
locating intermittent problems which might occur during operation.
5
Command Syntax Reference.
E1440A
Getting
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Started
1-3
The command used to execute self test is:
On execution of this command, the synthesizer performs a self test
routine which is built into the module firmware. The result of the self
test is placed in the error queue, which is subsequently interrogated
by the controller.
*TST?
The
Error
Queue
Sample program
When an error occurs during operation, a suitable error code and
message are stored in the synthesizer error queue. These errors can
be read out using the
(zero) means there are no more errors. The error queue can store up
to 30 codes and messages on a 'first in first out'
messages are described in Appendix
The following BASIC program executes self test; this program
assumes the mainframe is at a primary interface address
the synthesizer is at a secondary address of
assumes that an
!Send the self-test command to the synthesizer
I
'SYS:ERR?'command. A returned value of 0
(FIFO)
E
Error
Messages
11.
The program also
HP
9000 Series 200/300 computer is used.
basis. Error
of
09 and
OUTPUT 7091 1 ; ll*TST?l'
I
!Enter
I
and
display the self test code
ENTER70911;A
PRINT
!
A
!Reset the synthesizer
I
OUTPUT 709 11 ; *RSTI1
END
Note
Checking the
Instrument Output
1-4
Getting
Started
3
Last line of program
After testing, always reset the synthesizer to a known state.
After using the above program to reset the
test with an oscilloscope will check that the module is functional.
Connect an oscilloscope to the output BNC and then send the
following short program:
!
10
20
30
Set frequency value
!
OUTPUT 7091
!
!
Set function to sinewave
OUTPUT 70911
!
!
Set output level to
!
1
;
"FREQ
;
"FUNC
lE3
SIN"
"
1
V
HP
E1440A, a simple
OUTPUT 70911 ; "VOLT 1"
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110
!
120
Switch
!
130
140 OUTPUT
END
150
on
the
70911
output
;
"OUTP ON"
Reset
The module has a reset state which is entered once a reset command
(*RST)
has been received. The reset conditions are detailed in table
-
N1Tiate:CONTinuous
lmplitude
IC Offset
Tnits
?requenc y
?req. Mode
Start Frequency
stop Frequency
Frequency Span
Frequency Span
Marker (n)
Marker Frequency (n)
Sweep Time
Automatic Sweep Trace
Sweep Direction
Table 1-1. Instrument Reset State
Parameter
-
-
Hold
Link
IFF
:
1
dolts
1
FIXed
3
21
3FF
SENTer
3FF (n
I Hz
I
3N
UP
Reset State
mV
(P-P)
V
Hz
Hz
MHz
(n is 1 to 9)
s
is
1
to 9)
Reference Oscillator Source
Reference Oscillator
Automatic
Function
AM State
PM
State
Output
(HV
Output Amplifier
001)
TTL
Trigger Output(n)
TTL Trigger Output,
Source(n)
Phase
Phase Step
Phase Units
*
SAV(n)
Opt
SINe
OFF
OFF
OFF
OFF
OFF (n is
SYNC (n is 0 to
0 Deg
1
Deg
Radians
(n is
0 to
0
9)
to
7)
7)
Getting Started
1-5
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Front
Panel
Connections
The
HP
E1440A
front panel is illustrated below
Faled
Access
Error
~utput
On
0
21 MHz
SYNTHESIZED PJNCTIONI
SWEEP GENERATOR
Wrker
TTL
@
(-Dnve
0-10V
@
'en
lift
wc-Out
TTL
@
utput
@
IP
E1440A
W]
,-.
Ref
Out lotiHz
@
Ref
In
11lOMHr
@
@
@
-
6%
Float
i
-
Figure
1-2.'HP
E1440A
Front panel
Marker
TTL
This TTL-compatible output goes low at the selected marker
frequency during a sweep, and goes high at completion of the sweep,
in the multi-interval mode.
In
the multi-marker mode the signal
pulses low at the selected marker frequency.
1-6
Getting Started
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X-Drive
This output ramps from 0 V to 10 V during a sweep.
Pen
lift
This output provides a pen lift signal for a plotter at the end of a
signal.
Sync-Out
TTL
A
TTL
compatible square wave synchronized output signal, is
available at this connector. The signal is synchronized with the
output signal crossover point (zero volts or
DC
offset voltage). The
connector functions for frequencies up to 60 MHz.
Output
Standard output impedance is 50R. High-voltage option (001) output
impedance is nominally
<
3Q
at
DC,
and < 10R at 1 MHz.
Ref
Out
10MHz
A 10 MHz signal from the
HP
E1440A reference circuits is available
here.
Ref
In
1/1OMHz
This external frequency reference may be used to phase-lock the
internal 30 MHz oscillator.
AM
(f
5V)
An Amplitude Modulation input reference can be connected here for
input to the synthesizer circuit. Range is
*5
volts in all modes, i.e.
sine, square, triangle, ramps.
PM
(f
5V)
A Phase Modulation input reference can be connected here for input
to the synthesizer circuit. Range is
f
5
volts in all modes, i.e. sine,
square, triangle, ramps.
Front Panel
Indicators
Failed
This red lamp illuminates as soon as power is applied to the module.
The module then checks out it's connections to the VXIbus i.e. it
checks that it is able to communicate with the mainframe. When
that check is verified, the module extinguished the Failed lamp.
Note
Absence of the
Failed
lamp does not necessarily mean that the
module is suit able for use.
Getting
Started
1-7
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Access
This green lamp flickers when the
communication between the module and mainframe is taking place.
HP
E1440A
is in use, showing
that
Caution
Error
Output
On
This red lamp illuminates to indicate there are error codes queued in
the
store, ready for collection
This green lamp illuminates when there is a signal available at the
output connector.
The outputs and externally applied voltages may be
floating at upto
exist
The
input/output connectors should not be subjected
to overload. Carefully note the max. applicable
voltage for each connector as specified in Appendix A
to this manual.
by
the controller.
42
V.
Risk of electric shock may
1-8
Getting
Started
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Configuring
the
HP
E1440A
Using this Chapter
This chapter provides instructions on preparation for use and how
to install the HP
E1440A
module. It also includes information
about initial inspection and damage claims, packaging, storage and
shipment.
Before operation, the instrument and manual, including the red
safety page, should be reviewed for safety markings and instructions.
These must then be observed to ensure safe operation and to
maintain the instrument in safe condition.
............................................................
Inspection
2-1
........................................................
Configuration
2-2
Changing Module Settings
...................................
2-4
Installation
..........................................................
2-5
-
l
nspection
Warning
Inspect the shipping container for damage. If the container or
cushioning is damaged, it should be kept until the contents of the
shipment have been checked for completeness and the instrument has
been verified both mechanically and electrically.
Procedures for checking the operation of the instrument are given
in Chapter
1
Getting
Started.
If the contents are incomplete,
mechanical damage or defect is apparent, or if an instrument does
not pass the operator's checks, notify the nearest Hewlett-Packard
office. Keep the shipping materials for carrier's inspection. The
HP office will arrange for repair or replacement without awaiting
settlement.
To avoid hazardous electrical shock, do not perform electrical tests
0
when there are signs of shipping damage to any portion of the outer
enclosure (covers, panels, etc.).
Configuring the
HP
E1440A
2-1
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Claims and
Repackaging
If physical damage is evident or if the instrument does not meet
specification when received, notify the carrier and the nearest
Hewlett-Packard Service Office. The Sales/Service Office will arrange
for repair or replacement of the unit without waiting for settlement of
a claim against the carrier.
Storage and Shipment
Return Shipments to
HP
The instrument can be stored or shipped at temperatures between
-40°C
and
f75"C.
The instrument should be protected from
temperature extremes which may cause condensation within it.
If the instrument is to be shipped to a Hewlett-Packard Sales/Service
F),
Office (see Appendix
attach a tag showing owner, return address,
model number and full serial number and the type of service
required.
The original shipping carton and packing material may be re-usable,
but the Hewlett-Packard Sales/Service Office will also provide
information and recommendations on
materials to be used if
the original packing is no longer available or reusable. General
instructions for repacking are as follows:
1.
Wrap instrument in heavy paper or plastic.
2.
Use strong shipping container. A double wall carton is adequate.
3.
Use enough shock-absorbing material
all
sides of the instrument to provide a firm cushion and prevent
(3
to 4 inch layer) around
movement inside container.
4.
Seal shipping container securely.
5.
Mark shipping container
FRAGILE
to encourage careful handling.
I
Configuration
2-2
Configuring
the
HP
E1440A
6.
In any correspondence, refer to instrument by model number and
serial number.
As detailed in the VXIbus Mainframe System Installation Guide,
each plug-in module has a row of switches which are used to set the
logical address of the module. The mainframe operating system uses
these unique addresses, to combine different modules into virtual
is
instruments within the mainframe slots. The module
addressed by
the computer program, using the logical address to distinguish it
from other modules in the system.
4
ATTENTION
Static Sensltlve
ATTENTION STATIC SENSITIVE Handle the
module, only at 'Static Safe' work stations
!
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The
Logical
Address
Figure 2-1 shows the location of the
HP
E1440A
logical address
Switch
switch. Access to alter the switch settings may be gained through a
cutout in the module cover.
Logical
Address
Switch
\
/
Cutaway
view
J101
to
J106
(on
rear)
Figure
2-1.
Address Switch and Jumper Location
The Logical Address switch has a factory setting of 88 which is
equivalent to a secondary address of
11.
Figure
2-2
shows how a primary address setting of 88, transposes
to a secondary address of
11
by shifting three places (ignoring the
first three switches). Make sure you apply this rule when altering the
switch setting to a number of your choice. Remember, the module
secondary address must be the one present in
all
control programs for
this module.
Configuring the
HP
E1440A
2-3
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,
Service
Switch - DO
NOT
ALTER
,
Logical
Address
128
switch
MSB LSB
MSB LSB
Figure
2-2.
Address
Switch
Settings
This view of the switch settings is the one you will see when looking
directly into the top of the module. The switch positions are shown
from the same viewpoint.
Note
If
there is no other identical
HP
E1440A module in the mainframe
with this address, and this factory set address does not conflict with
one of the other modules, then the factory setting may be left as it is
set.
A
The service switch beside the logical address switch
-
is factory set as shown and is for use by service
personnel only. It must not be altered!
Changing
Settings
Module
On the left hand side, close to the VXIbus connectors, mounted on
the circuit land side of the control printed circuit board, there are
several connecting links which you can change to alter the module
configuration for control interrupt priority. The link locations are
shown on Figures 2-1,
2-2
and configurations are shown on Figure
2-3. Access is gained through
a
cutout in the cover.
Jumpers JlOl to J106 can be used to alter the interrupt priority
setting of the HP E1440A module.
In
most cases this would not
need to be altered from the factory setting of
BG/BR3.
However, if
the
HP
E1440A is being used in a mainframe with other non-HP
instruments, or in a specialized. test equipment set-up, there may be a
requirement to alter the controller interrupt priority of the module.
Proceed as follows:
When altering the
BG/BR
level you will touch electronic
components.
ESD
precautions
such as a wristlet connector to module
cover, must be used. Do not use
BNC
outer shields they are not
ground!
2-4
Configuring
the
HP
E1440A
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