Filter
Top Products
Chapter 2 71
Performance Verification Tests
8. Noise Sidebands - Wide Offsets: Agilent E4402B, E4404B, E4405B and E4407B
noise sideband suppression.
Part 1: Noise Sideband Suppression at 100 kHz
1. Perform the following steps to set up the equipment:
Set the synthesized signal generator controls as follows:
FREQUENCY, 1 GHz
AMPLITUDE
, 0dBm
AM
OFF
FM
OFF
2. Connect the equipment as shown in Figure 2-8.
3. Press
Preset on the analyzer. Press the Factory Preset softkey, if it is
displayed. Press the following keys on the analyzer:
FREQUENCY, 1 GHz
SPAN
, 1MHz
4. Press the following analyzer keys to measure the carrier amplitude:
Peak Search (or Search)
FREQUENCY, Signal Track (On)
SPAN, 10 kHz
FREQUENCY
, Signal Track (Off)
Det/Demod, Detector, Sample
BW/Avg
, 1kHz
5. Adjust the signal generator AMPLITUDE to place the signal peak
within 0.5 dB of the reference level on the analyzer. Press Single and
then press
Peak Search (or Search).
6. Press the following analyzer keys:
Marker, Delta
More
, Function, Marker Noise (or Noise)
AMPLITUDE, –40 dBm
SPAN, Zero Span
7. Press BW/Avg, Average On 10, Enter to set the analyzer to video
average 10 sweeps.
8. Press the following analyzer keys to measure the noise sideband
level at 100 kHz:
FREQUENCY, CF Step, 99.8 kHz
Center Freq,
↑
Single
Wait for the analyzer to average ten sweeps.
9. Press
Peak Search (or Search) and record the marker amplitude noise
reading in Table 2-11 as the Upper Sideband Noise Level at
100 kHz.