Agilent Technologies 8753ES Option 011 Service Manual page 36

Performance Tests
6. Receiver Channel Noise Floor Level (Only for Analyzers with Option 006)
Figure 2-8 Receiver Channel Noise Floor Level Test Setup
2. Press
Preset Start
Channel A Noise Floor Level for 3 kHz IF BW (300 kHz–3 GHz)
3. Press
A
Meas
4. Press
Marker Fctn
TRIGGER MENU
5. When the analyzer finishes the sweep, notice the mean value, which appears on the
analyzer display.
6. Use the following equation to convert the linear magnitude mean value to log
magnitude:
Power (dBm) = 20 × [log
7. Write this calculated value in the performance test record in dBm.
Channel A Noise Floor Level for 10 Hz IF BW (300 kHz–3 GHz)
8. Press
IF BW
Avg
9. Press
Sweep Setup
10.When the analyzer finishes the sweep, notice the mean value, which appears on the
analyzer display.
11.Use the following equation to convert the linear magnitude mean value to log
magnitude:
Power (dBm) = 20 × [log
12.Write this calculated value in the performance test record in dBm.
2-20
50 k/m Stop
LIN MAG
Format
MARKER MODE MENU
.
SINGLE
(linear magnitude mean value)]
10
to change the IF bandwidth to 10 Hz.
10 x1
TRIGGER MENU
(linear magnitude mean value)]
10
3 G/n Power
AUTO SCALE
Scale Ref
MKR STATS ON
.
SINGLE
−10
.
x1
.
Sweep Setup
Chapter 2