Agilent Technologies Agilent 4396B User Manual
Page 111

Gain
Compression
Measurement
An
important
measure
of
active
circuits
is
how
well
they
handle
a
signal
frequency
with
a
varying
input
amplitude
.
By
using
the
power
sweep
function
in
the
network
analyzer
mode
,
measurements
such
as
gain
compression
or
automatic
gain
control
slope
can
be
made
.
Measurement
Setup
Connection
Set
up
the
analyzer
as
shown
in
Figure
5-22.
Figure
5-22.
Gain
Compression
Measurement
Setup
Analyzer
Settings
Press
4
Preset
5 .
Then
set
the
analyzer's
controls
as
follows:
Desired
Settings
K
ey
Strokes
A
ctive
Channel
Block
Select
channel
1
4
Chan
1
5
(default)
Measurement
block
Select
Network
Analyzer
Press
4
Meas
5
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
ANALYZER
TYPE
F
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
NETWORK
ANALYZER
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)
IF
BW
10
kHz
4
Bw/A
vg
5
10
4
k/m
5
Sweep
block
Select
power
sweep
Press
4
Sweep
5
FFFFFFFFFFFFFFFFFFFFFFFFFF
SWEEP
TYPE
F
FFFFFFFFFFFFF
POWER
Start
power
020
dBm
Press
4
Start
5
020
4
21
5
Stop
power
0
dBm
Press
4
Stop
5
0
4
21
5
Network
Measurement
Examples
5-25