
Stabilizing
the
Trace
Stabilizing
the
Trace
When
the
trace
is
not
stable
and
the
marker
value
changes
frequently
,
it
is
dicult
to
read
the
measured
value
.
Y
ou
can
use
the
following
techniques
to
stabilize
the
trace:
Stop
the
sweep
.
Use
the
averaging
function.
Use
the
maximum
or
minimum
hold
function.
Capture
the
unstable
signal
using
signal
track.
T
o
Stop
the
Sweep
1.
Press
4
T
rigger
5 .
2.
Press
N
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SWEEP:
HOLD
.
The
sweep
is
stopped
immediately
(even
if
the
sweep
is
in
progress).
If
you
want
to
restart
the
sweep
,
press
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CONTINUOUS
to
start
a
free-run
sweep
or
press
NNNNNNNNNNNNNNNNNNNN
SINGLE
to
make
a
single
sweep
.
T
o
Use
the
A
veraging
Function
1.
Press
4
Bw/Avg
5 .
2.
Press
N
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AVERAGING
FACTOR
.
3.
If
needed,
enter
the
averaging
factor
(number
of
times).
Then
press
the
4
21
5 .
Default
averaging
factor
is
16.
4.
T
oggle
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AVERAGING
on
OFF
to
NNNNNNNNNNNNNNNNNNNN
ON
off
.
The
averaging
notation
(Avg )
appears
on
left
side
of
the
grid
when
averaging
is
turned
on.
The
averaging
notation
indicates
the
number
of
times
averaging
has
been
performed.
When
averaging
is
completed,
the
counter
stops
incrementing.
However
,
the
trace
continues
updating
with
each
sweep
.
A
veraging
requires
a
sweep
with
a
specied
number
of
times
that
is
enough
for
an
averaging
factor
to
complete
the
averaging.
Y
ou
can
set
the
number
of
sweeps
by
using
the
number
of
groups
function.
If
you
want
to
change
the
setting
of
any
parameter
when
averaging,
you
can
restart
averaging
from
the
0
count.
T
o
restart
the
averaging,
press
4
Bw/Avg
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AVERAGING
RESTART
.
This
resets
averaging
counter
to
0.
T
o
Use
Maximum
or
Minimum
Hold
Function
1.
Press
4
Displa
y
5 .
2.
Press
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DATA
HOLD
[OFF]
.
T
o
Hold
Press
Maximum
Level
NNNNNNNNNNN
MAX
Minimum
Level
NNNNNNNNNNN
MIN
Advanced
T
echniques
for
Optimizing
Measurements
9-13
Содержание 4395A
Страница 8: ......
Страница 9: ......
Страница 10: ......
Страница 12: ......
Страница 13: ......
Страница 14: ......
Страница 16: ......
Страница 49: ...D 1 Manual Changes by Serial Number D 1 D 2 Manual Changes by Firmware Version D 1 Contents 23 ...
Страница 50: ......
Страница 58: ...Power Requirements Figure 2 1 Power Cable Supplied 2 6 Installation Guide ...
Страница 69: ...Connecting an Active Probe Figure 2 10 Connecting Test Fixture Installation Guide 2 17 ...
Страница 72: ......
Страница 76: ...Step 1 Preparing for the Measurement Figure 3 3 S Parameter Test Set Setup 3 4 Quick Start Guide ...
Страница 93: ...Step 2 Setting Up the 4395A Quick Start Guide 3 21 ...
Страница 130: ......
Страница 144: ......
Страница 154: ......
Страница 198: ...Calibration Required for the Impedance Analyzer Mode Figure 7 2 Connecting Test Fixture 7 16 Calibration ...
Страница 251: ...Measuring Zero Span Figure 8 28 Marker Time Analyzing the Measurement Results 8 49 ...
Страница 262: ......
Страница 278: ......
Страница 298: ...AM Signal Measurement SA where 1Mkr is the 1marker value shown in Figure 10 18 10 20 Examples of Applications ...
Страница 301: ...FM Signal Measurement SA Figure 10 20 Zooming Carrier Signal of FM Signal Examples of Applications 10 23 ...
Страница 374: ...Measurement accessories available 11855A 75 Type N Adapter Kit 11856A 75 BNC Adapter Kit 12 4 Accessories and Options ...
Страница 376: ......
Страница 410: ...Markers Figure A 19 Bandwidth Search Example A 34 Basic Measurement Theory ...
Страница 448: ......
Страница 449: ...B Softkey Reference Softkey Reference B 1 ...
Страница 462: ...4Bw Avg5 B 14 Softkey Reference ...
Страница 528: ......
Страница 532: ......
Страница 560: ......