3rd sem notes etc

2-port network
I II [2
O & + -> Vo
of f
Vi NW Vi NW
- -
O -
-




single port
a variable

independent
Vi Vz [ ,, 72
, ,




Any
other dependent
z-parameter model/open cht parameters
V , V2 -
dependent
I 12, independent

V zi 2212 metwork
functions- Zi Ziz 22 222
=
+ , , ,



Vz =
22]1 + 222]2

↳ input
2 s output

22 , 11 - both excitation & response belong to same port .


=
/
Sand
= 0


port is open


inputdriving point impedance with output port open

↳
output
V
22 =



·


6.
=
0
L
input
excitation


forward transfer impedance with output port open




impedance with input port open
222/z=0=
output driving point impedance with input port open

,
,
,