Feedback Amplifier · Analog Circuits · GATE ECE

For the closed loop amplifier circuit shown below, the magnitude of open loop low frequency small signal voltage gain is 40. All the transistors are b...

A cascade of common-source amplifiers in a unity gain feedback configuration oscillates when

The desirable characteristics of a transconductance amplifier are

The feedback topology in the amplifier circuit (the base bias circuit is not shown for simplicity) in the figure is ...

In the ac equivalent circuit shown in the figure, if i$${_F}$$ is very large, the type of feedback is ...

A good current buffer has

In a voltage-voltage feedback as shown below, which one of the following statements is TRUE, if the gain k is increased? ...

In a shunt-shunt negative feedback Amplifier, as compared to the basic Amplifier,

To obtain very high input and output impedances in a feedback Amplifier, the mostly used is

Negative feedback in Amplifiers.

Voltage series feedback (also called series-shunt feedback) results in

An amplifier without feedback has a voltage gain of 50, input Resistance of 1 k$$\Omega $$ and output Resistance of 2.5 k$$\Omega $$ . The input Resi...

In a negative feedback amplifier using voltage - Series (i.e., voltage - sampling, series mixing) feedback

The most commonly used Amplifier in sample and hold circuit is

An amplifier has an open loop gain of 100, an input impedance of 1 k$$_\Omega $$, and an output impedance of 100 $$_\Omega $$ . A feedback network wit...

Negative feedback in an amplifier

Negative feedback in 1. Voltage series configuration 2.Current shunt configuration (a) increases input impedance (b) decreases input impedance (...

Two non-inverting amplifiers, one having a unity gain and other having a gain of twenty, are made using identical operational gain amplifier, the amp...

The feedback amplifier shown in Fig.has: ...