Digital Signal Processing Reference
In-Depth Information
APPENDIX B
FOUR-PORT CONVERSIONS
BETWEEN
T
-AND
S
-PARAMETERS
Port 1
Port 2
Port 4
Port 3
4 port network
Figure B-1
Port naming convention.
Figure B-1 shows the port labeling convention used with these conversions.
T-to-S Conversions
−
t
21
t
32
−
t
12
t
21
t
22
t
31
s
11
=
+
t
11
t
22
t
22
−
t
12
t
21
s
21
=
+
t
11
t
22
−
t
21
t
42
−
t
12
t
21
t
22
t
41
s
31
=
+
t
11
t
22
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