Chapter 3 3-9
Functional Testing
Displayed Average Noise Level
Procedure (1.01 GHz to 1.5 GHz) E4401B and E4411B
1. Press the following keys on the analyzer:
Sweep, Sweep (Cont)
FREQUENCY, Start Freq, 1.0 GHz
Stop Freq, 1.5 GHz
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, then stop).
3. Press Peak Search, and record the marker frequency in the Measured
Frequency column (c) in Table 3-1 for 1.01 GHz to 1.5 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 (c) in
Table 3-1 for 1.01 GHz to 1.5 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.