Understanding
the
HP
E1440A
Using this Chapter
This chapter describes the main features of the synthesizer and how
they are used.
It
provides an extension to information contained
in
Chapter
3
Using
the
HP
EI&OA
and describes additional features
and techniques by extending the user's understanding of the
instrument. The main sections of this chapter are as follows:
A
System Overview
....................................................
4-1
Planning and Programming
.......................................
4-4
....................
The HP
E1440A
in a Test Environment
4-5
Value Coupling
....................................................
4-9
.................................................
Functional Coupling
4- 13
Programming Pitfds
..............................................
4-14
A
System Overview
The
E1440A
Synthesizer consists of five main sub-units
as
follows:
1.
VXIbus Interface
2.
Microprocessor System
3.
Synthesizer
4.
Function Generator
5.
Output Unit
These units are illustrated in Figure
4-1
below.
Mbus
H
Microcomputer
and
Interface
Externd
AM and
PM
Inputs
Figure
4-1.
Simplified
Block
Diagram
Understanding the
HP
E1440A
4-1
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