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Test: Basic MOSFET Amplifier Configurations - Electronics and Communication Engineering (ECE) MCQ


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10 Questions MCQ Test Analog Circuits - Test: Basic MOSFET Amplifier Configurations

Test: Basic MOSFET Amplifier Configurations for Electronics and Communication Engineering (ECE) 2024 is part of Analog Circuits preparation. The Test: Basic MOSFET Amplifier Configurations questions and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus.The Test: Basic MOSFET Amplifier Configurations MCQs are made for Electronics and Communication Engineering (ECE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Basic MOSFET Amplifier Configurations below.
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Test: Basic MOSFET Amplifier Configurations - Question 1

In which of the following configuration does a MOSFET works as an amplifier?

Detailed Solution for Test: Basic MOSFET Amplifier Configurations - Question 1

There are three basic configurations for connecting the MOSFET as an amplifier. Each of these configurations is obtained by connecting one of the three MOSFET terminals to ground, thus creating a two-port network with the grounded terminal being common to the input and output ports.

Test: Basic MOSFET Amplifier Configurations - Question 2

The MOSFET in the following circuit is in which configuration?​

Detailed Solution for Test: Basic MOSFET Amplifier Configurations - Question 2

It is the circuit for Common gate configuration.

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Test: Basic MOSFET Amplifier Configurations - Question 3

The MOSFET in the following circuit is in which configuration?

Detailed Solution for Test: Basic MOSFET Amplifier Configurations - Question 3

 It is the circuit for Common drain configuration.

Test: Basic MOSFET Amplifier Configurations - Question 4

 The MOSFET in the following circuit is in which configuration?[/expand]​

Detailed Solution for Test: Basic MOSFET Amplifier Configurations - Question 4

 It is the circuit for Common source configuration.

Test: Basic MOSFET Amplifier Configurations - Question 5

(Q.5-Q.10) Reference circuit for Q.5-Q.10 The circuit below is the characterization for the amplifier as a functional block.

If the value of Rin for the common source configuration is R1 and that for common source with a source resistance configuration is R2 ideally. The ratio of R1/R2 will be

Detailed Solution for Test: Basic MOSFET Amplifier Configurations - Question 5

Ideally both must have infinite resistance.

Test: Basic MOSFET Amplifier Configurations - Question 6

Which is true for the value of Avo for common source (Represented by A1) and common source with a source resistance (represented by A2).

Detailed Solution for Test: Basic MOSFET Amplifier Configurations - Question 6

 

A1 = -gmRD and A2 = -gmRD/1+gmRS
Reference circuit for Common source configuration

Test: Basic MOSFET Amplifier Configurations - Question 7

 Which of the following is true for the voltage gain (AV) for the common source configuration (represented by A1) and the common gate configuration (represented by A2)?

Test: Basic MOSFET Amplifier Configurations - Question 8

The value of the voltage gain (Av) for the common source with source resistance (represented by A1) and common gate configuration (represented by A2) are related to each other by

Test: Basic MOSFET Amplifier Configurations - Question 9

 In which of the following configuration is the input resistance (Ri) not equal to zero ideally?

Test: Basic MOSFET Amplifier Configurations - Question 10

Which of the following has AVO independent of the circuit elements?

Detailed Solution for Test: Basic MOSFET Amplifier Configurations - Question 10

 AVO = 1 source follower.

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