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318 Keysight 34970A/34972A User’s Guide
Signal Routing and Multiplexing
When used stand-alone for signal routing (not scanning or connected to the
internal DMM), multiple channels on the 34901A and 34902A multiplexers can be
closed at the same time. You must be careful that this does not create a hazardous
condition (for example, connecting two power sources together).
Note that a multiplexer is not directional. For example, you can use a multiplexer
with a source (such as a DAC) to connect a single source to multiple test points as
shown below.
Channel 1
Channel 2
Channel 3
Channel 4
DAC
OUT
GND
COM H
COM L
Multiplexer
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