Main Board Assembly; Purpose; Inputs; Outputs - Keysight N1913B EPM Series Service Manual

Main Board Assembly

Purpose

– Provides the average measurement path(s)
– Provides external trigger input/output and recorder output(s)
– Provides the driver and the LVDS serialiser for the LCD display
– Provides signal routing between the PPMC and front panel

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]
– Trigger output and recorder output(s) [to external equipment]
– LVDS LCD display control lines [to front panel]
– Control and data lines [to PPMC]
Keysight N1913B/N1914B EPM Series Power Meters Service Guide
Theory of Operation 4
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