Agilent Technologies 4395A - Page 242

Measuring
the
Carrier
to Noise
Ratio
RB
W Filter
Response Time
Y
ou don't
need
to
care
about
the
setting
time
for
the
RBW
lter
because the
4395A implements
the
RBW lter
using
digital
processing.
Video
bandwidth (VBW)
can
be
set
without
concern
for
the
gate
length
setting.
The
analyzer
implements
the video
lter
using
digital
processing.
The
video
lter
of
the
analyzer
requires
no
settling
time
for
normal
operation.
Therefore
,
it
is
not
aected
by
the
gate
length setting.
8-40 Analyzing the Measurement Results