Agilent Technologies 4395A - Page 250

Measuring
Zero
Span
T
able 8-3.
Minimum Time
Resolution
RBW Min. Time
Resolution
Max. Sweep
Time
(NOP=801)
5
MHz
40
nsec
1.28
msec
3
MHz
40
nsec
2.56
msec
1.5
MHz
80
nsec
5.12
msec
800
kHz
160
nsec
10.24
msec
400 kHz 320 nsec 20.48 msec
200 kHz 640 nsec 40.96 msec
100
kHz
1.28

sec
81.9
msec
40
kHz
2.56

sec
163.8
msec
20
kHz
5.12

sec
327.7
msec
10
kHz
10.24

sec
655.4
msec
5
kHz
20.48
 sec
1.311
sec
3
kHz
40.96

sec
2.621
sec
The
4395A uses
an exclusive
lter
for
5
MHz
resolution
bandwidth
to
improve
the
response
time.
A
ccurate
measurements
with
a
5
MHz
RBW
require
the
center
frequency to
be
equal
to
the
signal
frequency
.
Reading
Transition
Time
Using
the
Marker
1.
Press
4
Utilit
y
5
.
2.
T
oggle
N
N
N
N
N
N
N
N
N
N
N
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
N
N
N
N
N
N
N
MKR
TIME
on
OFF
to
N
N
N
N
N
N
N
N
N
N
N
NN
NN
N
N
N
N
N
ON
off
.
3.
Move
the
marker
using the
.
4.
Read
the
transition
time
that
is
displayed
on
the
upper
right
of
the grid.
When
you
are
measuring
the
zero
span,
the
marker
displays
the
same frequency
on every
point
of
trace
. Using
the
marker
time
function,
you
can
change
have
the
4395A
display
time values
instead of frequency
.The
marker displays transition time from the left end of the grid.
8-48 Analyzing the Measurement Results