Rohde & Schwarz ZPV - Impedance Measurement; Admittance Measurement; Transmission Measurement

2
.3.3.2
Impedance
Measurement
By
pressing
button
Z 30
the
voltages
in
channel
A
and
in
channel
B
and
the
phase
angle
between
channels
A
and
B,
referred
to
channel
A,
are
measured.
Depending
on
the
plug-in
used
and
on
the
test
setup,
button
DIB.
COUPL.
H
and
button 50
fl/75
A
must
be
pressed.
Depen
din
g
on
the
connection
of
the
test
item,
the
result
is
-
in
linear
display
(LIN. 21
pressed)
-
either
the
input
or
the
output
impedance
in
fl.
Pressing
r,f
displays
the
magnitude
and
phase
and
pressing
X,
Y
U
the
real,
and
imaginary
components
of
the
test
result.
By
pressing
button
LIN.
/REF.
22
the
impedance
is
normalized
to
the
reference
value
of 50
A
or
75
A
selected
with
button
2£.
Calibration
as
described
under
section
2.
3
*3
-l*
2
.3.
3
.3
Admittance
Measurement
By
pressing
button
Y
28,
the
voltages
in
channel
A
and
in
channel
B
and
the
phase
angle
between
channels
A
and
B,
referred
to
channel
A,
are
measured.
Depending
on
tire
plug-in
used
and
on
the
test
setup,
button
DIR.
COUPL.
21
and
button
50
fl/7.5
fl
22
should
be
pressed.
Depending
on
the
connection
of
the
test
item,
the
result
is
-
xn
linear
display
(LIN.
21
.
pressed)
-
either
the
input
or
the
output
admittance
in
mS.
Pressing
button
r,
f
1£
displays
the
magnitude
and
phase
and
pressing
button
X,
Y
17
displays
the
real
and
imaginary
components
of
tire
test
result.
By
pressing
button
LIN.
/REF.
22
the
admittance
is
normalised
to
the
reference
value
of
1/50
fl
or
1/75
A
selected
with
button
2£.
Calibration
as
described
under
section
2.3«3*1
•
2.
3.
5. 4
Transmission
Measurement
(s^,
s^.*
a
21*
a
l2^
By
pressing
button
S21,
S12
22,
the
voltages
in
channel
A
and
in
channel
B
and
the
phase
angle
between
channels
A
and
B,
referred
to
channel
A,
are
measured.
Depending
on
the
plug-in
used
and
on
the
test
setup,
button
DIB.
COUPL.
21
should
be
pressed.
R
.36737
-
13