R3132 Series Spectrum Analyzer Operation Manual
5.2.8 Input Attenuator Switching Accuracy (R3132/32N/62)
5-30
CAUTION:
Use only 75
Ω
Ω
Ω
Ω
cables, connectors, or adapters on R3132N, or damage
to the input connector will occur.
2.
On the signal generator, set controls as follows:
Frequency:
30 MHz
Output Level:
+5 dBm
3.
On the external attenuator, set attenuation 50 dB.
4.
On the R3132 series, after preset, set controls as follows:
Center Frequency:
30 MHz
Frequency Span:
10 kHz
Reference Level:
-40 dBm
Input Attenuator:
0 dB
dB/div:
1 dB/div
RBW:
3 kHz
VBW:
10 Hz
Sweep Time:
3 sec
5.
On the signal generator, adjust the power level to place the peak of the signal five
division below the R3132/32N/62 reference level.
Measuring the Input Attenuator Switching Accuracy: R3132/32N/62
6.
On the R3132/32N/62, press SINGLE for single sweep.
7.
On the R3132/32N/62, after single sweep has completed, press PK SRCH to
capture the signal peak.
Read the level of marker reading and record the value on the performance verifi-
cation record sheet.
8.
On the R3132/32N, repeat steps 6 through 7 for each setting listed in Table 5-11.
On the R3162, repeat steps 6 through 7 for each setting listed in Table 5-12.
Calculate the Actual Error
9.
Calculate the actual error by following formula and record the result on the per-
formance verification record sheet as Actual (dB).
Actual (dB) = (Measured Value in step 8) - (Measured Value at Input Attenuator
10 dB) - (Value of Input Attenuator Setting) + 10
