1-51
Making Measurements
Characterizing a Duplexer (ES Analyzers Only)
15.Set up a 2-graticule, 4-parameter display with transmission measurements on the top
graticule and reflection measurements on the bottom graticule:
Press
, then set to .
The display will be similar to Figure 1-41.
Figure 1-41 Duplexer Measurement
Normally, a 2-port calibration requires a forward and reverse sweep to complete before the
displayed trace updates. For faster tuning, it is possible to set the number of sweeps for the
active display channel (S
11
and S
21
for channel 1 in this case) to update more often than
the inactive display channel. In this example we choose 8 updates of the forward
parameters to 1 update of the reverse in channel 1, and 8 updates of the reverse to 1
update of the forward in channel 2 (where the active parameters are S
22
and S
12
).
Press .
Press .
Display
Meas
Chan 4
Chan 1
Chan 3
Chan 1 System
8 x1
Chan 2 System
8 x1
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