Electron Devices and Circuits: Unit V: (a) Feedback Amplifiers

The Four Basic Feedback Topologies

Feedback Amplifiers

• The basic amplifier shown in Fig. 9.3.4 may be a voltage, current, transconductance, or transresistance amplifier. These can be connected in a feedback configuration as shown in the Fig. 9.5.1.

The Four Basic Feedback Topologies

• The basic amplifier shown in Fig. 9.3.4 may be a voltage, current, transconductance, or transresistance amplifier. These can be connected in a feedback configuration as shown in the Fig. 9.5.1.

Review Questions

1. Name four types of basic feedback topologies.

AU : ECE : May-06, 13, Dec.-13, Marks 2

2. Draw the block diagram of four types of feedback topologies.

3. Draw a block diagram of voltage shunt feedback amplifier.

4. With a neat block diagram, explain the operation of following feedback amplifiers : i) Voltage series feedback amplifier ii) Current shunt feedback amplifiers.

AU : May-17, Marks 13

 

Electron Devices and Circuits: Unit V: (a) Feedback Amplifiers : Tag: : Feedback Amplifiers - The Four Basic Feedback Topologies