Agilent Technologies 8753ES Option 011 Service Manual page 38

Performance Tests
6. Receiver Channel Noise Floor Level (Only for Analyzers with Option 006)
31.Use the following equation to convert the linear magnitude mean value to log
magnitude:
Power (dBm) = 20 × [log
32.Write this calculated value in the performance test record in dBm.
Channel A Noise Floor Level with 10 Hz IF BW (3 GHz–6 GHz)
33.Press .
Meas A
34.Press
Sweep Setup
35.When the analyzer finishes the sweep, record the mean value, which appears on the
analyzer display.
36.Use the following equation to convert the linear magnitude mean value to log
magnitude:
Power (dBm) = 20 × [log
37.Write this calculated value in the performance test record in dBm.
Channel A Noise Floor Level with 3 kHz IF BW (3 GHz–6 GHz)
38.Press
IF BW
Avg
39.Press
Sweep Setup
40.When the analyzer finishes the sweep, notice the mean value, which appears on the
analyzer display.
41.Use the following equation to convert the linear magnitude mean value to log
magnitude:
Power (dBm) = 20 × [log
42.Write this calculated value in the performance test record in dBm.
In Case of Difficulty
1. Perform "ADC Offset Correction Constants (Test 52)" on page
2. Suspect the A10 digital IF assembly if both receiver channels fail.
3. Refer to Chapter 8 , "Receiver Troubleshooting,"
2-22
(linear magnitude mean value)]
10
TRIGGER MENU SINGLE
(linear magnitude mean value)]
10
.
3 k/m
TRIGGER MENU SINGLE
(linear magnitude mean value)]
10
.
.
3-18.
for troubleshooting information.
Chapter 2