Modules - HP 81200 User Manual

System Components
HP 81200 Data Generator/Analyzer Platform User Guide, Revision 2.1

Modules

An HP 81200 Data Generator/Analyzer Platform comprises at least one
clock module and one data generator/analyzer module.
Clock Modules
The clock module generates the system clock and synchronizes all data
generator and analyzer channels in a mainframe. The clock module
provides the sequencing capability of a system and can use its internal
synthesized clock source or an external clock source. The internal clock
synthesis can be synchronized to a common frequency standard using the
PLL reference input.
The following clock source modules are available:
• HP E4805A Central Clock Module
This module synchronizes up to 11 analyzer and generator modules. It
can control up to two slave clock modules located in expander frames.
A deskew probe can be connected and the HP 81200 Trigger Pod can be
attached.
The E4805A central clock module permits to use up to 5 loop levels
within generated data sequences.
• HP E4831A Central Clock and Data Generator Module
This module combines some features of the central clock module and of
a data generator module. It is used for systems that provide only
stimulus signals but do not analyze or capture DUT output data.
The E4831A synchronizes up to 6 generator modules. It permits to use
up to 2 loop levels.
Data Generator/Analyzer Modules
A data generator/analyzer module has 4 slots for frontends. There are
frontends for generating signals to the DUT and others for analyzing
signals from the DUT.
It is recommended to load the modules as homogeneously as possible, this
means load generator frontends in one module and analyzer frontends in
another module.
The following modules are available:
• HP E4841A Data Generator/Analyzer Module:
This module provides space for four frontends, with one or two
channels each. Any combination of input and output frontends within a
module is possible, but not recommended, as it may conflict with the
concept of grouping output and input signals into "ports".
• HP E4831A Central Clock and Data Generator Module:
This module provides space for two generator frontends with one or
two channels each.
Introduction to the System
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