Chapter 3 3-17
Functional Testing
Displayed Average Noise Level
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 (i) in
Table 3-1 for 6.01 GHz to 12.0 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.
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 12 in
Table 3-1. The average noise level should be less than the Maximum.
Procedure (12.01 GHz to 13.2 GHz) E4405B
1. Press Preset 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, 13.2 GHz
AMPLITUDE, –70 dBm
Attenuation (Man), 0 dB
BW/Avg, 1 MHz
Video BW Auto Man, 10 kHz
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