Keysight N9038A, Service Manual

Page: 343 / 745

Keysight N9038A MXE Service Guide 343
Analog & Digital IF
A3 Digital I.F. Troubleshooting
Assembly Functionality Verification
In addition to providing the digital signal processing of the 22.5 MHz IF signal,
the A3 Digital IF assembly performs many other instrument functions, as well
as providing multiple rear panel triggering and reference functions. The
functionality of the following functions will be covered in this chapter:
— 22.5 MHz IF Signal Processing
— 10 MHz Reference Output
— Trigger Outputs
— Trigger Inputs
— Analog Output (Option YAS required)
— Noise Source Output (Optional N9069A software required)
— Smart Noise Source Interface (Optional N9069A software required)
Other than the 22.5 MHz IF input signal, these inputs and outputs can be found
on the A3 Digital IF rear panel as illustrated in Figure 10-13 .
Figure 10-13 A3 Digital IF Assembly Rear Panel Connections