R3132 Series Spectrum Analyzer Operation Manual
5.2.3 Displayed Average Noise Level
5-14
Following steps are applied for R3172/82
Measuring the Displayed Average Noise Level (Frequency is more than 3.2 GHz)
7. On the R3172/82, after preset, set controls as follows:
Start Frequency: 3.201 GHz
Stop Frequency: 7 GHz
Input Attenuator: 0 dB
Reference Level: -40 dBm
RBW: 3 MHz
VBW: 100 kHz
8. On the R3172/82, press as follows to set average mode and average time to 10
times.
TRACE, 1/2_more, AVG A, 1, 0, Hz(ENTER)
9. On the R3172/82, after average has completed, press PK SRCH to capture the
highest noise signal.
10. On the R3172/82, press as follow to set signal peak to center frequency.
MKR→
→→
→, MKR
→
→→
→
CF
11. On the R3172/82, set controls as follows:
Frequency Span: Zero
Reference Level: -60 dBm
RBW: 1 kHz
VBW: 10 Hz
Sweep Time: 1 sec
12. On the R3172/82, after average has completed, press PK SRCH to capture signal
peak.
13. Record the level of peak search marker on the performance verification record
sheet.
14. Repeat steps 7 through 13 for each frequency setting listed in Table 5-5.
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