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 1-4 1.
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 se t the number of sweeps for the
active display channel (S11 and S21 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 S22 and S12).
Press .
Press .
Display
DUAL|QUAD SETUP
4-PARAM DISPLAYS
SETUP B
Meas
Trans: REV S12 (A/R)
Chan 4
Refl: REV S22 (B/R)
Chan 1
Trans:FWD S21 ( B/R)
Chan 3
Refl: FWD S11 (A/R)
DUAL CHAN on OFF
ON
Chan 1 System
CONFIGURE MENU
TESTSET SW CONTINUOUS
8x1
Chan 2 System
CONFIGURE MENU
TESTSET SW CONTINUOUS
8x1