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Main Board Assembly
Purpose
Inputs
Outputs
Keysight N1911A/1912A Service Guide
– Provides the average measurement path(s)
– Provides the peak measurement path(s) to the DAP(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, DAP(s), and front panel
– Power supplies [from PSU]
– Sensed power level(s) [from sensor flexi(s)]
– Trigger input [from external equipment]
– Control, address, and data lines [from PPMC]
– Processed average path measurement [to PPMC]
– Unprocessed peak path measurement samples [to DAP(s)]
– Trigger output & recorder output(s) [to external equipment]
– LVDS LCD display contorl lines [to front panel]
– Control and data lines [to PPMC]
Theory of Operation
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