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.
