Agilent Technologies 4395A - Page 244

P
erforming
Time
Gated Spectrum
Analysis
The
signal delay
(SD) is
the
delay
inherent
in
the
signal
(that
is
,
SD
is
the
length
of time
after
the
trigger,
but
before
the
signal
of
interest
occurs
and
becomes
stable).
Figure
8-24.
T
arget and
Trigger Signal
Timing
on
the
Oscilloscope
4.
Determine the
gate
parameters
using
the
following
equations:
Gate
delay
= SUT
+
SD
Figure
8-25
shows
the scheme
of
these
parameters
.
Open
the
\gate"
during
the
time
the
signal
is
in
a
stable
condition.
The
time
from
the
start
time
of
a
signal
and
the
open
time
of
a
gate
is
the
\set
up
time"
(SUT).
Figure 8-25. Gate Parameters
8-42 Analyzing the Measurement Results