Agilent Technologies Agilent 4396B User Manual
Page 82
Figure
4-15.
Zooming
Carrier
Signal
of
FM
Signal
Press
4
Displa
y
5
N
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DUAL
CHAN
ON
off
to
N
NNNNNNNNNNNNNNNNNNN
on
OFF
and
then
4
Chan
1
5
when
you
are
nished
with
this
measurement.
Narrow
Band
FM
Signal
Measurement
1.
Change
the
test
signal
source
to
the
narrow
band
FM
signal.
2.
Press
4
Chan
1
5
4
Span
5
100
4
k/m
5
4
Bw/Avg
5
10
4
k/m
5 .
The
spectrum
of
the
narrow
band
FM
signal
is
displayed.
3.
Press
4
Scale
Ref
5
010
4
21
5 .
Figure
4-16.
Narrow
Band
FM
Signal
Measurement
4.
Press
4
Chan
2
5
4
Span
5
100
4
k/m
5
4
Bw/Avg
5
10
4
k/m
5
4
Scale
Ref
5
010
4
21
5
as
same
as
channel
1.
5.
Press
4
Displa
y
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DATA
HOLD
[OFF]
NNNNNNNNNNN
MAX
and
then
wait
for
a
few
sweeps
until
the
trace
is
stable
.
The
maximum
envelope
is
displayed.
6.
Press
4
Displa
y
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DATA ! MEMORY
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DATA
and
MEMORY
to
store
and
display
the
maximum
envelope
.
4-14
Spectrum
Measurement
Examples