Keysight N9038A, Service Manual, Page: 332 / 745

332 Keysight N9038A MXE Service Guide
Analog & Digital IF
A2 Analog I.F. Troubleshooting
If any of the resolution bandwidth passband shapes are not correct the A2
Analog IF assembly is most likely at fault.
Figure 10-5 A2 Analog IF 12 MHz Filter Path Passband Shape
Table 10-5 A2 Analog IF Filter Path Selection
Filter Path Resolution Bandwidth Spectrum
Analyzer Span
Expected Filter Shape
12 MHz 3 MHz 40 MHz Figure 10-5
1 MHz 300 kHz 5 MHz Figure 10-6
300 kHz 100 kHz 1 MHz Figure 10-7
75 kHz 10 kHz 500 kHz Figure 10-8
10 kHz 3 kHz 50 kHz Figure 10-9