Typical
Impedance
Measurement
Techniques
Softkey Label
Description
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
MKRVAL/(
p
2)
Sets
the
width
value
to
the
value
that
equals
the
marker
value
divided
by
square
root
of
2.
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
NN
NN
NN
N
N
N
N
N
MKRVAL*(
p
2)
Sets
the width
value
to
the
value
that
equals
the
marker value
multiplied by
square
root
of
2.
N
NN
NN
NN
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
MKRVAL/2
Sets
the
width value
to the
value that
equals the
marker
value
divided
by 2.
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
FIXD
VALUE
Makes
the
width
value
the
active
function and
sets
the
width
value
to
the
value
specied
by
this
softkey
.
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
N
RETURN
Returns
to
the
Widths
Menu
.
Figure
8-31
shows
an
example
of
using
the
bandwidth
search
function.
Figure
8-31.
Q
Measurement
Examples
Using
the
Anti-Resonance
P
oint
1.
Press
4
Sea
rch
5
to
make
the
marker
active
.
2.
Toggle
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
N
SEARCH TRK
on
OFF
to
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
ON off
.
Then
choose
NN
NN
NN
N
N
N
N
N
MAX
to
move
the
marker
to
the
anti-resonance
point
on
the
trace
.
3.
Press
4
Sea
rch
5
and
choose
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
WIDTH
[
]
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
WIDTH
VALUE
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
N
MKRVAL/(
p
2)
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
RETURN
.
4.
Toggle
N
N
N
N
N
N
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
WIDTH on
OFF
to
N
N
N
N
N
N
NN
NN
NN
NN
N
N
N
N
N
N
ON off
. The
width value
,Q
factor,
and several
parameters
are
displayed
on
the
screen.
Using the Resonance P
oint
1. Press
4
Search
5
to make the marker active
.
2.
Toggle
NNNNNNNNNNNNNNNNN
NNNNNNNNNNNNNNNNNNNNNNNNN
NNNNNNNNNNN
SEARCH TRK on off
to
NNNNNNNNNNNNNNNNN
NNN
ON off
. Then choose
NNNNNNNNNNN
MIN
to move the marker to the
resonance point on the trace
.
3.
Press
4
Search
5
and choose
NNNNNNNNNNNN
NNNNNNNNNNNNNNNNN
WIDTH [ ]
NNNNNNNNNNNN
NNNNNNNNNNNNNNNNNNNNNNN
WIDTH VALUE
NNNNNNNNNNNN
NNNNNNNNNNNNNNNNNNNNNNNN
MKRVAL
3
(
p
2)
NNNNNNNNNNNN
NNNNNNNN
RETURN
.
4.
Toggle
NNNNNN
NNNNNNNNNNNNNNNNNNNNNNNNN
NNNNNNN
WIDTH on OFF
to
NNNNNN
NNNNNNNNNNNNNN
ON off
. The width value
, Q factor
, and several parameters are
displayed on the screen.
Using the Admittance Chart
1.
Press
4
Utility
5
to make the marker active. Then choose
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SMTH/POLAR MENU
NNNNNNNNNNNNNN
G+jB
to read
conductance and susceptance (assuming that the admittance circle has been displayed on
the admittance chart).
8-58 Analyzing the Measurement Results
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