Theory of Operation 4
Keysight N8262A Service Guide 65
Mother Board Assembly
Purpose
– Provides the average measurement path(s)
– Provides the peak measurement path(s) to the measurement board(s)
– Provides external trigger input/output and recorder output(s)
– Provides signal routing between the PPMC and measurement board(s)
Inputs
– Power supplies [from PSU]
– Sensed power level(s) [from sensor flex(s)]
– Trigger input [from external equipment]
– Control, address, and data lines [from PPMC]
Outputs
– Processed average path measurement [to PPMC]
– Unprocessed peak path measurement samples [to measurement board(s)]
– Trigger output and recorder output(s) [to external equipment]
– Control and data lines [to PPMC]