330 Keysight N9038A MXE Service Guide
Analog & Digital IF
A2 Analog I.F. Troubleshooting
Figure 10-4 A2 Analog IF 22.5 MHz IF Output with High Gain
14.Repeat step 9 through step 13 for the remainder of the Filter Paths listed
in Table 10-4, using the Resolution Bandwidth values in the table for the
setting in step 9.
A2 Analog IF Filter Path Passband Shape
1. Remove the instrument dress cover (MP24) and top brace (MP10). Refer to
Chapter 18, “Assembly Replacement Procedures” for instructions on
removing these covers.
2. Turn the instrument on and allow it to complete its boot up process.
Table 10-4 A2 Analog IF Filter Path Switching
Filter Path Resolution Bandwidth
12 MHz 3 MHz
1 MHz 300 kHz
300 kHz 100 kHz
75 kHz 10 kHz
10 kHz 3 kHz
Since the A2 Analog IF assembly is not in an easily accessible area of the instrument its
22.5 MHz output will be measured on the other end of the cable coming from this assembly,
which is connected to J19 of the A3 Digital IF assembly.
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