Agilent Technologies 4395A - Page 172

Setting
the
Frequency
Range
Example:
Displaying Harmonics
(SA
Mode)
T
o display
the
fundamental
and
harmonics
of
a
100
MHz
signal,
follow
these
steps:
1.
Press 4
Center
5
100 4
M/

5
. Then
set
the
span
to
display
the
fundamental
at
the
center
of
the
grid.
2.
Press 4
Span
5
150 4
M/

5
.
3.
Press
4
Sea
rch
5
and
toggle
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
SEARCH
TRK
on
OFF
to
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
N
N
ON
off
to
enable
the
search
track
function.
4.
Choose
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
SEARCH:
PEAK
to
move
the
marker
on
the
fundamental.
5.
Press
4
Center
5
and
choose
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
MKR
!
CNTR
STEP
.
Enter
100
MHz
(so
the
step
size
matches the
fundamental
frequency).
6.
T
oggle
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
STEP
SIZE
AUTO
man
to
N
N
N
N
N
N
NN
NN
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
auto
MAN
to
enable
the specied
step size
.
7. Press
4
Center
5 .
Then
press
4
*
5 to
display
the
second
harmonic
.
8.
To
display
higher
order
harmonics
,
press
4
*
5
as required.
The
marker
searches
for
the
next
harmonic each
time you
change the
center
frequency
using
the
search
track
function.
Fundamental Second Harmonics
Figure
6-8. Displaying Harmonics
6-18 Setting and Optimizing Measurement Conditions