A19 Bbiq Main Board - Keysight n9020a Service Manual

Front Panel/Motherboard Troubleshooting
Option BBA Description
— Shields are on the board to minimize spurious responses

A19 BBIQ Main Board

— Provides probe power to the BBIQ Interface board
— Power Supply filtering and regulation
— Contains FPGA (field programmable gate arrays)
— Provides LED control to the LED board
— Receives I, I, Q, and Q data from BBIQ Interface board
— Controls (9) relays on the BBIQ Interface board
— Provides probe identification for system use
— Overload detection
— On board relay control for various gain stages
— Variable gain stages
— Provides square wave calibrator output signal to BBIQ Interface board
— Dither
— 10 MHz input from the Reference board
— Onboard 16 bit 100Ms/S ADC
— Triggering Circuits
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