It is important to keep in mind that in the setup diagrams of the frequency offset mode, the analyzer’s source and receiver ports are labeled according to the mixer port that they are

connected to.

,,,,,,

n In a down converter measurement where the ;~~~~~~~~. softkey is selected, the notation on the analyzer’s setup diagram indicates that the analyzer’s source frequency is labeled RF, connecting to the mixer RF port, and the analyzer’s receiver frequency is labeled IF, connecting to the mixer IF port.

Because the RF frequency can be greater or less than the

set LO frequency in this type of

measurement,

i. 1...... ..A............... .I I., :

 

you a s&& either ~~~~~,~~~~~ or ~~~~,~~~~,~.

N E T W O R K A N A L Y Z E R

R IN

\,

pg622e

Figure 6-93. Down Converter Port Connections

8-162 ApplicationandOperationConsepts

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Image 443
HP 8753E manual You a s&& either ~~~~~,~~~~~ or ~~~~,~~~~,~, Down Converter Port Connections