1
ECSE 210: Circuit Analysis
ECSE 210: Circuit Analysis
Lecture#30:
TwoPort Networks
Wed, March 30, 2005
TwoPort Impedance Paramters
Æ
Commonly referred to as the
Z
parameters
.
+

Linear
Network
1
V
+

2
V
1
I
2
I
Æ
Note the voltage polarities, and current directions.
Æ
Using the principle of superposition we get:
2
12
1
11
1
I
I
V
z
z
+
=
2
22
1
21
2
I
I
V
z
z
+
=
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document