Chapter 4 135
ESA Functional Tests
Displayed Average Noise Level
ESA Functional Tests
5. Press Center Freq. Set the center frequency of the analyzer to the frequency recorded in
the Measured Frequency column as entry (q) in Table4-1 on page 138 for 12.01 GHz to
13.2 GHz.
6. Press the following keys on the analyzer:
BW/Avg, Res BW, 1, kHz
Video BW, 30, Hz
Single
Wait for the sweep to finish.
7. Press the following keys on the analyzer:
Display, Display Line (On)
Adjust the display line so that it is centered on the average trace noise, ignoring any
residual responses.
8. Record the display line amplitude setting as TR Entry 15 in Table4-1 on page 138. The
Average Noise Level should be less than the Maximum.
Procedure (12.01 GHz to 22 GHz) E4407B and E4408B
1. Press System, Power On/Preset, Preset Type (Factory), Preset on the analyzer. Wait for the
preset routine to finish. Set the analyzer by pressing the following keys:
FREQUENCY, Start Freq, 12.01, GHz
Stop Freq, 22, GHz
AMPLITUDE, –70, dBm
Attenuation (Man), 0, dB
BW/Avg, Res BW, 1, MHz
Video BW, 10, kHz
2. Press the following keys on the analyzer:
Single
BW/Avg, Average (On), 3, Enter
Single
Wait until AVG 3 is displayed to the left of the graticule (the analyzer will take 3 sweeps
and then stop).
3. Press Peak Search. Record the marker frequency next to your analyzer model in the
Measured Frequency column as entry (r) in Table4-1 on page 138 for 12.01 GHz to 22
GHz.