HP HP 8753E, Руководство пользователя, Страница: 67 / 699

5 1 9 9 8
1 0 - 4 0
LOG 1 0 - 4 0
1 0 0
1 0 0
I
I
I I
CENTER 8 6 0 . 0 0 0 0 0 0 MHz
SPAN 1 2 0 . 0 0 0 0 0 0 MHz
CENTER 8 6 0 . 0 0 0 0 0 0 MHz
SPAN 1 2 0 . 0 0 0 0 0 0 MHz
Figure 2-7. Duplexer Measurement
Ref 1: FWD
T r a n s : F W D
T r a n s : R E V
Ref 1: REV
ANALOG IN
A u x I n p u t
CONVERSION
INPUT
PORTS
Normally, a calibration requires a forward and reverse sweep to before updating
the displayed trace. For faster tuning, it is possible to set the number of sweeps for the
active display and for channel 1 in this case) to update more often than the unused
parameters. 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 and
Making Measurements