Agilent Technologies Agilent 4396B User Manual
Page 108
Filter
T
esting
Using
Limit
Lines
The
analyzer
has
limit
line/testing
functions
for
go/no-go
testing.
The
limit
lines
dene
upper
and
lower
limits
.
The
limit
testing
functions
compare
the
measured
data
to
the
limit
lines
and
indicate
the
result.
The
following
example
is
a
practical
method
for
setting
up
limit
lines
to
test
a
bandpass
lter
.
Example
of
Limit
Lines
F
or
Filter
T
esting
This
example
creates
limit
lines
to
test
a
70
MHz
crystal
bandpass
lter
.
Analyzer
Settings
Press
4
Preset
5 .
Then
set
the
analyzer's
controls
as
follows:
Desired
Setting
K
ey
Strokes
A
ctive
Channel
Block
Select
channel
1
4
Chan
1
5
(default)
Measurement
Block
Select
S
21
(or
B/R)
measurement
Press
4
Meas
5
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
Trans:FWD
S21
[B/R]
Select
LOG
MA
G
format
4
F
ormat
5
FFFFFFFFFFFFFFFFFFF
LOG
MAG
(default)
Sweep
Block
Center
frequency
836
MHz
Press
4
Center
5
836
4
M/
5
Span
frequency
100
MHz
Press
4
Span
5
100
4
M/
5
Number
of
points
401
Press
4
MENU
5
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
NUMBER
of
POINTS
401
4
21
5
Creating
Limit
Lines
P
erform
the
following
procedure
(see
Figure
5-20):
5-22
Network
Measurement
Examples