Figure
3-13.
Amplifier
Gain,
Frequency
Domain
P
oint-in-Pulse
The
dynamic
range
can
b e
increased
using
IF
a
v
eraging,
but,
given
the
system
noise
o or
with
the
wide
IF
bandwidth,
an
a
v
eraging
factor
of
ab out
256
a
v
erages
is
the
maximum
v
alue
that
should
b e
used.
In
general,
using
an
a
v
eraging
factor
greater
than
256
will
not
result
in
an
y
increase
in
visible
dynamic
range.
Pulse
Profile
Domain
Calibration
After
selection
of
the
pulse
prole
frequency
,
measuremen
t
calibration
for
pulse
prole
measuremen
ts
is
accomplished
in
exactly
the
same
w
a
y
as
for
the
standard
HP
8510.
F
ollo
wing
are
t
w
o
measuremen
t
calibration
metho ds,
one
for
calibration
in
the
Pulse
Prole
domain,
and
the
second
for
calibration
using
the
F
requency
List
feature.
Select
the
b est
one
for
y
our
application.
The
pulse
prole
domain
calibration
pro cedure
is
an
easy
w
a
y
to
familiarize
y
ourself
with
the
pulse
prole
domain
and
for
general-purp ose
measuremen
ts
using
simple
resp onse-only
correction.
Use
the
frequency
list
tec
hnique
when
more
than
one
pulse
prole
frequency
and
1-P
ort
or
2-P
ort
correction
is
required.
Given
adequate
signal
lev
els,
accurate
timing,
and
frequency
stability
,
there
is
essen
tially
no
dierence
in
the
accuracy
of
the
pulse
prole
measured
data
whether
the
calibration
is
p erformed
in
the
pulse
prole
domain
as
describ ed
in
the
rst
pro cedure
or
in
the
frequency
domain
as
describ ed
in
the
second
pro cedure.
The
main
adv
an
tage
of
calibration
in
the
frequency
domain
is
that
y
ou
can
calibrate
at
all
frequencies
in
the
list
while
only
connecting
the
standards
once.
3-16
Operation
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