R3132 Series Spectrum Analyzer Operation Manual
5.2.11 Residual FM
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9. On the R3132 series, press PK SRCH to capture the signal peak.
10. On the R3132 series, press as follows to set signal peak to reference level.
MKR→
→→
→, MKR
→
→→
→
Ref
11. On the R3132 series, press SINGLE for single sweep.
12. On the R3132 series, press as follows to set delta marker mode to on.
MKR, Delta
13. On the R3132 series, rotate data knob clockwise until the marker reads -3 dBm ±
0.1 dB.
14. On the R3132 series, press as follows to set delta marker mode to on.
MKR, Delta
15. On the R3132 series, rotate data knob clockwise until the marker reads -6 dBm ±
0.1 dB.
16. Record the frequency and the level of the delta marker reading on the perfor-
mance verification record sheet.
17. Calculate the slope using the following formula on the performance verification
record sheet.
Slope = (the frequency of the delta marker reading)/(the level of the delta marker
reading)
Measuring the Residual FM
18. On the R3132 series, press REPEAT for continuous sweep.
19. On the R3132 series, set controls as follows:
Frequency Span: Zero
Sweep Time: 100 msec
20. On the R3132 series, press FREQ and rotate data knob clockwise to place trace-
displayed peak about six division below reference level.
21. On the R3132 series, press SINGLE to set single sweep mode.
22. On the R3132 series, press as follows to set peak search and delta marker mode.
PK SRCH, MKR, Delta
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