Agilent Technologies 8753ET User Manual page 163

Making Mixer Measurements
Conversion Compression Using the Frequency Offset Mode
Figure 2-30 Measurement Setup Diagram Shown on Analyzer Display
12.To view the mixer's output power as a function of its input power, press:
VIEW MEASURE
13.To set up an active marker to search for the 1 dB compression point of the mixer, press:
Scale Ref
AUTO SCALE
Marker Search
14.Press:
Marker MKR ZERO
Marker Search
The measurement results show the mixer's 1 dB compression point. By changing the
target value, you can easily locate other compression points (for example, 0.5 dB, 3 dB).
See Figure 2-31.
15.Read the compressed power on by turning marker ∆ off.
∆ MODE MENU
Marker
2-42
SEARCH:MAX
−1
TARGET
x1
∆ MODE OFF