Electronic Devices - Oscillator Circuits - Discussion
Discussion Forum : Oscillator Circuits - General Questions (Q.No. 27)
27.
What is the ratio of the input impedance with series feedback to that without feedback?
1 + 
A
AA1
Discussion:
1 comments Page 1 of 1.
Severina said:
2 years ago
Zi with feedback = Zi (1+βA)
Zi = Zi.
Ratio: [ Zi (1+βA) ]/[ Zi ].
Answer: (1+βA).
Zi = Zi.
Ratio: [ Zi (1+βA) ]/[ Zi ].
Answer: (1+βA).
(3)
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