HP 8753D - Page 84

5. T
o increase
the eective
group delay
aperture,
by
increasing
the
number
of
measurement
points over
which the
analyzer calculates
the group
delay,
press:
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SMOOTHING
APERTURE 4
5
5
4
x1
5
As
the
aperture
is
increased
the
\smoothness"
of
the
trace improves
markedly,
but at
the
expense
of
measurement
detail.
Figure
2-34.
Group
Delay
Example
Measurement
with
Smoothing
Aperture
Increased
Making Measurements 2-35