Chapter 3 3-19
Functional Testing
Displayed Average Noise Level
Procedure (12.01 GHz to 22 GHz) E4407B and E4408B
1. Press System, Power On/Preset, Preset (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, 1 MHz
Video BW Auto Man, 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 frequency in the Measured Frequency
column (k) in Table 3-1 for 12.01 GHz to 22 GHz.
4. Press the following keys on the analyzer:
Sweep, Sweep (Cont)
BW/Avg, Average (Off)
BW/Avg, Resolution BW (Auto)
Video BW (Auto)
SPAN, 50 kHz
FREQUENCY
5. Press Center Freq. Set the center frequency of the analyzer to the
frequency recorded in the Measured Frequency column (k) in
Table 3-1 for 12.01 GHz to 22 GHz.
6. Press the following keys on the analyzer:
BW/Avg, 1 kHz
Video BW Auto Man, 30 Hz
Single
Wait for the sweep to finish.
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