Agilent Technologies 4395A - Page 286

Reection
Measurement
(NA)
return
loss(dB) =
0 20
log( 
)
reection
coecient
=
reected
power
incident power
=
 (magnitude
only)
=0
(magnitude
and
phase)
=
S
11
or
S
22
(magnitude
and
phase)
SWR
=
1
+

1
0 
Measurement
Setup
Connection
Set
up the
4395A
as
shown
in
Figure
10-8
.
Figure
10-8.
Reection
Measurement
Setup
Analyzer
Settings
Press
4
Preset
5
. Then
set
the
4395A
's
controls
as
follows:
Desired
Setting
K
ey
Strokes
MEASUREMENT
block
Select
network
analyzer
4
Meas
5
F
F
F
F
F
F
F
F
F
F
F
F
FF
F
F
F
F
F
F
F
F
F
F
FF
F
F
F
F
F
F
F
F
ANALYZER
TYPE
F
F
F
F
F
F
F
F
F
F
F
F
FF
F
F
F
F
F
F
F
F
F
F
FF
F
F
F
F
F
F
F
F
F
F
F
FF
F
F
NETWORK
ANALYZER
ACTIVE CHANNEL block Select channel 1 4
Chan 1
5 (default)
MEASUREMENT block Select S
11
4
Meas
5
FFFFFFFFFFF
FFFFFFFFFFFFFFFFFFFF
S-PARAMETERS
F
FFFFFFFFFFF
FFFFFFFFFFFFFFFFFFFFFFFFF
FFFFFFFFF
Refl:FWD S11 [A/R]
(default)
Select LOG MA
G format
4
F
ormat
5
FFFFFFFFFFFFF
FFFFFFFFFFFFFFFFFFFFFFFFF
F
FORMAT: LOG MAG
(default)
SWEEP block Center frequency 70 MHz 4
Center
54
7
54
0
54
M/ 
5
Span frequency 100 kHz 4
Span
54
1
54
0
54
0
54
k/m
5
Performing Calibration
Perform an S
11
, 1-port calibration for this measurement. The following procedure is for using 7
mm standards.
10-8 Examples of Applications