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Test: Clapp Oscillator - Electronics and Communication Engineering (ECE) MCQ


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10 Questions MCQ Test - Test: Clapp Oscillator

Test: Clapp Oscillator for Electronics and Communication Engineering (ECE) 2024 is part of Electronics and Communication Engineering (ECE) preparation. The Test: Clapp Oscillator questions and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus.The Test: Clapp Oscillator 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: Clapp Oscillator below.
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Test: Clapp Oscillator - Question 1

Clapp oscillator is an

Detailed Solution for Test: Clapp Oscillator - Question 1

 Clapp oscillator is a colpitts oscillator which has an extra capacitor series with an inductor. Hence it is an LC oscillator.

Test: Clapp Oscillator - Question 2

Which type of feedback is used in clapp oscillator?

Detailed Solution for Test: Clapp Oscillator - Question 2

 Positive type of feedback is used in clap oscillator.

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Test: Clapp Oscillator - Question 3

 When constructing variable frequency oscillator among clapp oscillator and colpitts oscillator which one is preferred?

Detailed Solution for Test: Clapp Oscillator - Question 3

In clap capacitor, the stray capacitance has no effect in the third capacitor. So oscillator frequency is more stable and accurate. Hence when constructing variable frequency oscillator clap oscillators are preffered.

Test: Clapp Oscillator - Question 4

In clapp oscillator voltage is divided by using

Detailed Solution for Test: Clapp Oscillator - Question 4

 In clap capacitor voltage divider circuit is achieved by capacitor because it is a modified version of colpitts oscillator.

Test: Clapp Oscillator - Question 5

In a clapp oscillator with three capacitor C1, C2, C3, C1 is used as upper capacitor in voltage divider, C2 is used as lower capacitor in voltage divider and C3 is the third capacitor. For perfect operation which of these capacitor should have minimum value?

Detailed Solution for Test: Clapp Oscillator - Question 5

 In a Clapp oscillator C3 is much smaller than C1 and C 2as a result, the equivalent capacitance C is approximately equal to C3. For perfect operation C3 should have minimum value.

Test: Clapp Oscillator - Question 6

In a clapp oscillator with three capacitor C1, C2, C3, C1 is used as upper capacitor in voltage divider, C2 is used as lower capacitor in voltage divider and C3 is the third capacitor. The frequency of operation will be close to (Assume C1 parallel C2 is C3)

Detailed Solution for Test: Clapp Oscillator - Question 6

Since equivalent capacitance is close to C3 and equation is similar to colpitts oscillator.

Test: Clapp Oscillator - Question 7

In a clapp oscillator with three capacitor C1, C2, C3, C1 is used as upper capacitor in voltage divider, C2 is used as lower capacitor in voltage divider and C3 is the third capacitor. For perfect operation of clapp oscillator value of C3 should be

Detailed Solution for Test: Clapp Oscillator - Question 7

For perfect operation of clapp oscillator value of C3 should be C1 parallel C2.

Test: Clapp Oscillator - Question 8

In a clapp oscillator with three capacitor C1, C2, C3, C1 is used as upper capacitor in voltage divider, C2 is used as lower capacitor in voltage divider and C3 is the third capacitor. Inductance used in the circuit is L. The frequency of operation will be

Detailed Solution for Test: Clapp Oscillator - Question 8

The frequency of operation is givenanalog-circuits-questions-answers-clapp-oscillator-q8c. Here effective capacitance is equal to C parallel C2 parallel C3.

Test: Clapp Oscillator - Question 9

In the following oscillator which one is more accurate

Detailed Solution for Test: Clapp Oscillator - Question 9

In clap capacitor, the stray capacitance has no effect in the third capacitor. So oscillator frequency is more stable and accurate. Hence Clapp oscillator have more accurate frequency.

Test: Clapp Oscillator - Question 10

What will be the clapp oscillator frequency if the C1, C2, C3 of clap oscillator is 1μF, 1μF, 2μF respectively and inductance is 1μH?

Detailed Solution for Test: Clapp Oscillator - Question 10

Frequency of clap oscillator isanalog-circuits-questions-answers-clapp-oscillator-q7= 3.9 x 105 ie approximately 0.4MHz.
Therefore, frequency is equal to

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