VXI Agilent E1437A User manual

Agilent E1437A
20 MSample/second ADC
with Filters and FIF
User’s Guide
Agilent Part Number E1437-90002
PrintedinU.S.A
Print Date: Marc 2000, T ird Edition
Agilent Tec nologies, Inc., 1997, 2000. All rig ts reserved.
8600 Soper Hill Road Everett, Was ington 98205-1209 U.S.A.

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ii

The E1437A at a Glance
T e E1437A 20 Msample/second Analog-to-Digital Converter wit Filtering
and Memory provides ig precision digitizing for time and frequency
domain applications along wit signal conditioning, filtering, and memory.
T e module plugs into a single C-size slot in a VXI mainframe.
Number of Channels 1
Type of Input 50 ohm
Input Bandwidth 40 MHz, MHz alias protected
Sample Rate 20 MSamp/sec
Voltage Range 20 mV to 10.24 Vpeak
Raw ADC resolution 23 bits
VXI Bus Support VME and Local Bus
VXI Device type Register/Message based
Size C-sized, single slot
iii

What you get with the E1437A
T e following items are included wit your E1437A
Hardware:
l E1437A ADC, C-size VXI module
l Software media:
MS-Windows®disks
HP-UX tape
Software:
qMS-Windows disks
l A setup program w ic installs:
T e E1437A VXIplug&play libraries and drivers
T e E1437A HP-VEE driver
Soft Front Panel program for t e E1437A
Windows online elp for t e E1437A
HPDSP function library and online elp
Example programs
Library and example program source files
Microsoft®Visual Basic eader files
qHP-UX tape
l An installation utility w ic installs:
T e E1437A C Interface libraries and drivers
Helpview online elp for t e E1437A
HPDSP function library and online elp
E1485 C library binaries
Example programs
Library and example program source and make files
Documentation:
l E1437A User’s Guide (t is book)
l Online manual pages for Windows and HP-UX (Windows Help and Helpview
Help formats)
iv

In This Book
T is book documents t e E1437A module. It provides:
l installion information
l verification information
l operational information
l a programmer’s reference
l circuit descriptions
l tec nical specifications
If you plan to use t is module wit t e E1485A/B signal processing module
and t e 35635T Programmer’s Toolkit you s ould also use t e
documentation for t ose products in order to form an application program
development environment.
If you are using your E1437A module in t e Windows 3.1®, Windows NT®,
Windows 95®, or HP-UX environment t e programmer’s reference and ot er
programming information are available as online elp. T e online elp may
be more convenient to use w ile programming. See t e “Getting Started”
c apter of t is book for information on accessing t e online elp.
v

TABLE OF CONTENTS
1 Installing the E1437A
Installing t e E1437A 1-2
To inspect t e E1437A 1-2
To install t e E1437A 1-3
To store t e module 1-6
To transport t e module 1-6
2 Getting Started with the E1437A
Introduction 2-2
To Install t e Programmer’s Libraries 2-3
System Requirements (Microsoft Windows) 2-3
System Requirements (HP-UX) 2-3
To install t e Windows VXIplug&play drivers for t e E1437A
(for Windows 3.1, Windows 95 and Windows NT) 2-4
To install t e HP-UX C-language drivers for t e E1437A
(for HP-UX systems): 2-5
T eResourceManager 2-5
To Use t e Program Group (Windows) 2-6
ToUset eVXIplug and play Soft Front Panel (SPF) 2-7
To Use Online Help in Windows 2-10
To Use t e Example Programs 2-11
To View t e Visual Basic Example Program 2-14
ToUset eHP-VEEExampleProgram 2-15
3 Using the E1437A
Programming t e E1437A 3-2
WIN framework 3-2
HP-UX, Series 700 Environment 3-3
CProgramming 3-3
ASCII Programming 3-4
Register Programming 3-4
T e Measurement loop 3-5
T e Measurement Loop in Multi-module systems 3-6
Frequency and Filtering 3-7
vii

Managing multiple modules 3-8
Clock distribution 3-8
Managing Multi-module Systems 3-10
Managing Multi-Mainframe Systems 3-11
Sync ronizing C anges in Multi-module Systems 3-12
Sync ronous Digital Filter C anges 3-12
Sync ronous Center Frequency C anges 3-12
Transferring data 3-13
4 E1437A VXIplug&play Programmer’s Reference
Introduction 4-2
Functions Listed by Functional Group 4-3
Analog Setup 4-4
Data Format 4-4
Debugging 4-5
Digital Processing 4-5
Diagnostics 4-5
Initialization 4-5
Interrupts 4-5
Measurement 4-6
Reading data 4-6
Timing 4-6
Trigger 4-6
Sync ronization 4-7
Functions Listed alp abetically 4-8
VXIplug&play Programming Reference 4-11
Visual Basic Quick Reference 4-68
Parameter numeric equivalents 4-71
Errors 4-73
Functions W ic Abort Measurements 4-75
5 ASCII verview and Commands
Introduction 5-2
Command Syntax 5-2
Special Syntactic Elements 5-2
Conventions 5-2
Using ASCII Commands in Your Environment 5-3
Using ASCII commands wit HP BASIC 5-3
Using ASCII commands wit VISA 5-3
ASCII Programming Reference 5-4
Table of Contents
viii

6 Module Description
Front Panel Description 6-2
VXI Backplane Connections 6-3
Power Supplies and Ground 6-3
Data Transfer Bus 6-3
DTB Arbitration Bus 6-3
Priority Interrupt Bus 6-3
Utility Bus 6-3
Local Bus 6-3
Trigger Lines 6-4
Block Diagram and Description 6-5
Clock Generation 6-6
Input Amplifier 6-6
Anti-alias Filter 6-6
Sampling ADC 6-7
Zoom and Decimation Filtering 6-7
Data Formatting and FIFO Memory 6-8
Data Output 6-8
Trigger Detection 6-9
Control Registers 6-9
7 Verifying the E1437A
To verify t e E1437A 7-2
8 Replacing Assemblies
Replaceable Parts 8-2
Ordering Information 8-2
Direct Mail Order System 8-3
Code Numbers 8-3
Assemblies 8-4
To remove t e top and bottom covers 8-6
To remove t e A1, A2, A3 or t e A4 assembly 8-7
To remove t e front panel 8-8
To remove t e A10 main assembly 8-11
9Backdating
Backdating 9-2
Table of Contents
ix

Glossary
Index
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