Keysight N9038A, Service Manual, Page: 207 / 745

Keysight N9038A MXE Service Guide 207
RF Preselector Section
RF Preselector Section Troubleshooting
Through Path Verification
15. Tune the spectrum analyzer to a start and stop frequency equal to that
shown in Table 5-11 for Band 0.
16. 16.Tune the A24 Conducted Filter assembly to the Band 0 through path by
entering the Service menu and pressing More , RF Preselector , Band Lock ,
Through , Band 0 .
17. Tune the signal generator to the Verification Start Frequency listed in
Table 5-11 for Band 0.
18. Place one of the active traces on the spectrum analyzer into its Max Hold
function.
19. Slowly vary the frequency of the signal generator between the Verification
Start Frequency and the Verification Stop Frequency listed in Table 5-11 to
draw out the Band 0 through path shape.
Table 5-10 A24 Conducted Filter Assembly - Filtered Signal Paths
Service Menu
Selection
Frequency Range Verification
Start Frequency
Verification
Stop Frequency
Typical Passband
Gain/Loss
Band 0
a
20 Hz to 40 kHz 0 Hz 100 kHz − 1.5 dB
Band 1 20 Hz to 150 kHz 0 Hz 500 kHz − 1.5 dB
Band 2 150 kHz to 1 MHz 0 Hz 3 MHz − 1.0 dB
Band 3 1 MHz to 2 MHz 0 Hz 5 MHz − 1.0 dB
Band 4 2 MHz to 5 MHz 0 Hz 15 MHz +3.0 dB
Band 5 5 MHz to 8 MHz 0 Hz 20 MHz +3.0 dB
Band 6 8 MHz to 11 MHz 1 MHz 25 MHz +3.0 dB
Band 7 11 MHz to 14 MHz 5 MHz 25 MHz +3.0 dB
Band 8 14 MHz to 17MHz 10 MHz 25 MHz +3.0 dB
Band 9 17 MHz to 20 MHz 10 MHz 30 MHz +2.5 dB
Band 10 20 MHz to 24 MHz 15 MHz 30 MHz +2.0 dB
Band 11 24 MHz to 28 MHz 20 MHz 35 MHz +2.0 dB
Band 12 28 MHz to 32 MHz 25 MHz 40 MHz +1.5 dB
a. Not used during normal instrument operation
For information on how to access the instrument's Service menu see Chapter 16, “Service
and Diagnostics Menus.” .