User`s guide

2-45
Making Mixer Measurements
Isolation Example Measurements
Figure 2-33 Connections for a Response Calibration
5. Perform a response calibration by pressing
.
NOTE A full 2-port calibration will increase the accuracy of isolation measurements.
Refer to Chapter 5 , “Optimizing Measurement Results.”
6. Make the connections as shown in Figure 2-34.
CAUTION To get an accurate assessment of the LO-IF isolation, the proper LO power
level must be input to the LO port.
Figure 2-34 Connections for a Mixer Isolation Measurement
7. To adjust the display scale, press .
The measurement results show the mixer's LO to RF isolation.
Cal
CALIBRATE MENU
RESPONSE
THRU
Scale Ref
AUTO SCALE