Electronics and Communication Engineering - Electronic Devices and Circuits - Discussion

Discussion Forum : Electronic Devices and Circuits - Section 16 (Q.No. 1)
Voltage series feedback (Also called series-shunt feedback) results in
increase in both I/P and O/P impedances
decrease in both I/P and O/P impedances
increase in I/P impedance and decrease in O/P impedance
decrease in I/P impedance and increase in O/P impedance
Answer: Option
No answer description is available. Let's discuss.
3 comments Page 1 of 1.

Merin said:   5 years ago
Series shunt-input high output low.
Shunt series-ip low op high.
Series series-ip and op high.
Shunt series- ip and op low.

Janjan said:   6 years ago
Since it's a voltage amplifier and by referring to the formula, the output impedance is decreased by the sacrifice factor (1+BA).

Sai said:   7 years ago
How does o/p impedance decrease? Explain.

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