Making Automatic Measurements
Freq Domain Menu
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Source
Source selects the source for the measurement. The available sources are:
channels
functions
memories
FFT
K
ey
Path
4
Shift
5
4
Mo
re
Meas
5
N
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Freq
Domain
NNNNNNNNNNNNNNNNNNNNNNNNNN
FFT
Freq
(or
N
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
FFT
Magnitude
or
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
N
N
FFT 1Freq
or
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
FFT 1Magnitude
)
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
Source
a
a
a
a
a
a
a
a
a
a
a
a
aa
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
aa
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
Peak
number
The
P
eak
Number
function
selects
which
peak
the
instrument
uses
for
the
measurement.
F
or
example
,
a
peak
number
of
2
indicates
the
measurement
is
made
on
the
second
peak
from the
left side
of
the
screen.
The
delta
frequency
and delta
magnitude measurements
have two
peak
selections
.
The
delta magnitude
measurement is
performed by
determining
the
magnitude
of
each
of
the two
peaks and
then subtracting
the
magnitude
of the rst peak from the magnitude of the second peak. The delta frequency
measurement is performed by subtracting the frequency of the rst peak from
the frequency of the second peak.
K
ey
Path
4
Shift
5
4
Mo
re
Meas
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Freq
Domain
NNNNNNNNNNNNNNNNNNNNNNNNNN
FFT
Freq
(or
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
FFT
Magnitude
or
N
NN
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
NN
N
FFT
1Freq
or
N
NN
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
FFT
1Magnitude
)
N
NN
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
Peak
number
8-17