Agilent Technologies 4395A - Measuring Transmission Characteristics of a Filter (NA Mode)

Measuring
Transmission
Characteristics
of a
Filter (NA
Mode)
Measuring
Transmission Characteristics
of
a
Filter
(NA
Mode)
Insertion
loss and
gain are
ratios of
the output
to input
signals
.
The
following
procedure
measures
the insertion
loss and
gain of
a 83.16
MHz
SA
W
bandpass
lter
.
This
measurement
can
be
used to
obtain the
key lter
parameters.
Measurement
Setup
Connection
Set
up
the
4395A
as
shown
in
Figure
10-1
.
Figure
10-1.
Transmission
Measurement
Setup
Analyzer
Settings
Press
4
Preset
5
.
Then
set
the
analyzer's
controls
as
follows:
Desired
Settings
K
ey
Strokes
MEASUREMENT block Select Network
Analyzer
4
Meas
5
FF
FF
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
FF
FF
FF
FF
F
F
F
F
F
ANALYZER TYPE
FF
FF
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
FF
FF
FF
FF
F
F
F
F
F
F
F
F
F
F
F
F
NETWORK ANALYZER
A
CTIVE
CHANNEL
block
Select
channel
1
4
Chan 1
5
(default)
MEASUREMENT block Select S
21
(or B/R) measurement 4
Meas
5
FFFFFFFFFFFFFFFFFFFFFFF
FFFFFFFF
S-PARAMETERS
FFFFFFFFFFFFFFFFF
FFFFFFFFFFFFFFFFFFFFFFFFF
FFFFFF
Trans:FWD S21 [B/R]
4
Format
5
FFFF
FFFFFFFFFFFFFFFFFFFFFFFFF
FFFFFFF
FORMAT:LOG
MAG (default)
IF BW 3 kHz 4
Bw/Avg
54
3
54
k/m
5
SWEEP block Center frequency 83.16 MHz 4
Center
54
8
54
3
54
.
54
1
54
6
54
M/ 
5
Span frequency 500 MHz 4
Span
54
5
54
0
54
0
54
k/m
5
10-2 Examples of Applications