Agilent Technologies Agilent 4396B User Manual
Page 91
Ripple
or
Flatness
P
assband
ripple
(or
atness)
is
the
variation
in
insertion
loss
over
a
speci ed
portion
of
the
passband.
1.
Press
4
Displa
y
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DUAL
CHAN
on
OFF
to
NNNNNNNNNNNNNNNNNNNN
ON
off
to
display
channel
2
below
channel
1.
2.
Press
4
Sw
eep
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
COUPLED
CH
ON
off
to
NNNNNNNNNNNNNNNNNNNN
on
OFF
.
3.
Press
4
Search
5
NNNNNNNNNNN
MAX
.
4.
Press
4
Ma
rk
er !
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CROSS
CHAN
on
OFF
to
NNNNNNNNNNNNNNNNNNNN
ON
off
.
5.
Press
NNNNNNNNNNNNNN
MORE
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ZOOMING
APERTURE
20
4
21
5
NNNNNNNNNNNNNNNNNNNN
RETURN
NNNNNNNNNNNNNNNNNNNNNNNNNN
MKR
ZOOM
.
6.
Press
4
Chan
2
5
4
Sea
rch
5
NNNNNNNNNNN
MAX
.
Then
press
4
Scale
Ref
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
MKR ! REFERENCE
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SCALE/DEV
0.5
4
2
5
to
magnify
the
trace
to
resolve
the
ripple
.
7.
Press
4
Search
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SEARCH:PEAK
.
Then
press
4
Ma
rk
er
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
1MODE
MENU
NNNNNNNNNNNNNN
1MKR
.
8.
Press
4
Search
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SEARCH:PEAK
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
PEAK
DEF
MENU
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
PEAK
PLRTY
POS
neg
to
NNNNNNNNNNNNNNNNNNNNNNN
pos
NEG
NNNNNNNNNNNNNNNNNNNN
RETURN
.
Then
press
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SEARCH:PEAK
.
The
passband
ripple
is
automatically
given
as
the
peak-to-peak
variation
between
the
markers
.
The
ripple
value
is
displayed
at
the
upper
right
of
the
display
.
Figure
5-4.
Using
P
eak
Search
to
Determine
Ripple
Press
4
Chan
1
5
4
Ma
rk
er
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
PRESET
MKRS
,
and
4
Chan
2
5
4
Ma
rk
er
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
PRESET
MKRS
when
you
are
nished
with
this
measurement.
Network
Measurement
Examples
5-5