Agilent Technologies Agilent 4396B User Manual
Page 47
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Setting
the
Resolution
Bandwidth
to
See
Low
Level
Signals
T
o
see
lower
level
signals
that
are
approximately
the
same
level
as
the
noise
oor
level,
use
a
narrow
resolution
bandwidth
(rbw )
setting.
Before
you
set
the
RBW
,
set
the
maximum
peak
level
as
the
reference
level.
This
increases
the
visibility
of
the
lower
level
signal.
This
technique
is
useful
when
you
are
measuring
two
signals
and
one
is
very
close
to
the
noise
level.
Press
4
Scale
Ref
5 .
Press
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
MKR !REFERENCE
.
The
trace
moves
upward
to
place
the
tip
of
the
maximum
peak
at
the
top
line
of
the
grid.
Spectrum
Analyzer
T
our
2-9
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