Chapter 3 3-15
Functional Testing
Displayed Average Noise Level
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 10 in
Table 3-1. The Average Noise Level should be less than the
Maximum.
Procedure (6.01 GHz to 6.7 GHz) E4404B
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, 6.01 GHz
Stop Freq, 6.7 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 (h) in Table 3-1 for 6.01 GHz to 6.7 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
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