Connections For A Response Calibration; Connections For A Mixer Rf Feedthrough Measurement - HP 8753E User Manual

Figure 3-28. Connections for a Response Calibration
6.
7.
Make the connections as shown in
Figure 3-29. Connections for a Mixer RF Feedthrough Measurement
8. Connect the external LO source to the mixer's LO port.
9. The measurement results show the mixer's RF feedthrough.
You may see spurious responses on the analyzer trace due to interference
Note
caused by LO to IF leakage in the mixer. This can be reduced with averaging or
by reducing the IF bandwidth.
Making Mixer Measurements
N E T W O R K A N A L Y Z E R
Figure
NETWORK ANALYZER
SOURCE