Performance Verification 1 2-2 Spectrum Analyzer Function Verification
MS2721B MM PN: 10580-00177 Rev. D 2-19
6. Ensure that the Pre Amp On/Off soft key is in the Off position. If the Pre Amp is on, then press the
Pre Amp On/Off soft key to turn it Off.
7. Press the Shift key and then press the Sweep (3) key, then press the Detection soft key and then the Peak
soft key.
8. Press the Freq key, and press the Start Freq soft key.
9. Use the keypad to enter 100 and press the kHz soft key.
10. Press the Stop Freq soft key, enter 10 and press the MHz soft key.
11. Press the BW key and press the RBW soft key.
12. Use the keypad to enter 3 and press the kHz soft key.
13. Press the VBW soft key and use the keypad to enter 300, then press the Hz soft key.
14. Wait until one sweep is completed.
15. Press the Marker key, and press the Peak Search soft key.
16. Record the Marker 1 amplitude reading in Table A-11, “Spectrum Analyzer Residual Spurious
(Pre Amp Off)” on page A-5, if required, and verify that it is ≤ –90 dBm.
17. If a spur with amplitude larger than –90 dBm occurs, then wait another full sweep and observe whether
the spur occurs at the same point on the second sweep. If the spur does not occur at the same point on the
second sweep, then the spur on the first sweep was not real.
18. Repeat Step 8 through Step 16 for the other Start and Stop frequencies with the listed RBW and VBW in
Table A-11.
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