Explain the necessity of Millers theorem with suitable example.

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written 7.6 years ago by

hetalgosavi • 1.7k

modified 7.6 years ago by

sanketshingote • 100

Miller's theoram

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The miller theoram states that circuit in above figure (a) can be converted circuit in figure (b). such that,
$Z_1=\frac{Z}{1-A_v} \,and\, Z_2=\frac{Z}{1-\frac{1}{A_v}}$
where $A_v=\frac{V_y}{V_x}$=voltage gain
Proof: The current flowing through Z from x to y is equal to $(V_x-V_y)/Z$. For the 2 circuits to be equivalent the samee …

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