5 Theory of Operation
162 Keysight 34970A/34972A Service Guide
Multifunction Module
The 34907A Multifunction module contains two 8-bit digital input/ output ports, a
totalizer input, and two 16-bit analog outputs.
Multifunction Control
Components in this discussion are located on the A1 circuit assembly
(34907-66501).
A simplified block of the module control circuit is shown below.
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