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GATE 2022: Analog Electronics - 53

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Question 1

Suppose in a application both input and output resistance (impedance) required are very high, in feedback amplifier, which feedback amplifier is the most appropriate choice.

Question 2

Consider the given below circuit. The circuit is having ideal Op-amp i.e. virtual ground theory is applicable. the input resistance is___ kΩ.

Question 3

Find the input resistance Rin for the following circuit. Put your answer in KΩ.

Question 4

For an op-Amp having a slew rate of 2V/m-s, what is the maximum closed loop voltage gain if the input signal varies by 1V in 10 ms.

Question 5

Consider the following circuit

if the maximum phase shift is Փ°, then the value of (180°-Փ°) is__ Degree.

Question 6

Suppose Vz = 6V, RZ = 0 Ω and IKnee = 5 × 10–3 Amp For given circuit. Suppose we want voltage across R Ω does not fall below 6V then R is____ Ω.

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Jun 22ESE & GATE EE