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.
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n
In a down converter measurement where the
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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
i. 1
. . . . . .
..A
. . . . . . . . . . . . . . .
.I I.,
:
measurement,
you
a
s&&
either
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or
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NETWORK ANALYZER
R
IN
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pg622e
Figure 6-93. Down Converter Port Connections
8-162
ApplicationandOperationConsepts