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Analog Electronics Circuits module 2, Lecture notes of Analog Electronics

West Bengal University of Teachers' TrainingAnalog Electronics

cascode amplifier. Various classes of operation (Class A, B, AB, C etc.), Feedback topologies: Voltage series, current series, voltage shunt, current shunt, effect of feedback on gain, bandwidth etc.,

Typology: Lecture notes

2021/2022

Uploaded on 07/18/2022

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may 2021
EC 402
Analog Electronics Circuits
Lecture #11
Feedback Circuit
Instructor:
Dr. Chiranjib Goswami
asansol engineering college
asansol
© Chiranjib Goswami
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Download Analog Electronics Circuits module 2 and more Lecture notes Analog Electronics in PDF only on Docsity!

may 2021

EC 402

Analog Electronics Circuits

Lecture #1 1

Feedback Circuit

Instructor:

Dr. Chiranjib Goswami

asansol engineering college asansol

Chiranjib Goswami

Agenda

Feedback Concepts

Feedback Connection Types

Practical Feedback Circuits

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FEEDBACK CONNECTION TYPES

  • Series feedback connections tend to increase the input resistance, whereas shunt feed-back connections tend to decrease the input resistance.
  • Voltage feedback tends to decrease the output impedance, whereas current feedback tends to increase the output impedance.

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Gain with Feedback

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Output Impedance with Feedback

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Example

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Practical Feedback Circuits

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Using OP-Amp & Emitter follower

Check EXAMPLE 14.4 11

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Voltage Shunt Feedback

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  • For more details, refer to:
    • Chapter 14, Electronic Devices and Circuits, Boylestad.
  • The lecture is available online at:
    • https://canvas.instructure.com/courses/
  • For inquires, send to: