Friday 22 March 2013
RL IMPEDANCE OR RC ADMITTANCE
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PROPERTIES OF RL IMPEDANCE OR RC ADMITTANCE
1) Poles and zeros are alternating
2) Poles and zeros are simple and lie on the negative real
axis of the s-plane.
3)The critical frequency nearest to origin is a zero
4) The critical frequency farthest from origin is a pole
5)The residues of Y(s) at its poles are all negative and
real
6) The slope of YRC(σ) is positive and the slope of YRC(-σ)
is negative
7) YRC(∞)≥YRC(0)
Methods
for realising a RC IMPEDANCE OR RL ADMITTANCE function
1) Foster
form 1
2)
Foster form 2
3) Cauer
form 1
4)
Cauer form 2
FOSTER FORM 1
It is used to realize impedance function.
FOSTER FORM 1
It is used to realize impedance function.
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