Question
Download Solution PDFIn a voltage series feedback amplifier, if Ri is the input resistance without feedback. then input resistance with feedback is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
The comparison of different feedback configurations is as follows:
|
Parameter |
Voltage - Series |
Current - Series |
Current - Shunt |
Voltage-Shunt |
|
Input Resistance |
Increases |
Increases |
Decreases |
Decreases |
|
Output Resistance |
Decreases |
Increases |
Increases |
Decreases |
A voltage series feedback amplifier configuration is as shown:
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