Agilent Technologies 4395A - Page 147

Selecting
an
appropriate
connection of
DUT
Figure
5-3.
Connecting
DUT
for
Bi-directional
Transmission
and
Reection
Characteristics
(F
our
S
P
arameters)
Measurement
Connecting
DUT
for
Transmission
Characteristic
Measurement
When
the
Output
Signal
is
in
a
Circuit
If
the
output
signal
of
DUT
is
in
a
circuit,
use
the
active
probe
to
capture
a
signal from
the
test
channel
as
shown
in
Figure
5-4
.
Figure 5-4.
Connecting DUT for Transmission Characteristic Measurement When the Output Signal is
in a Circuit
Use the transmission/reection test set with the active probe, when measuring the reection
characteristic at the input lead simultaneously. See Figure 5-5.
Preparations for Measurements 5-3