Linear Integrated Circuits Questions and Answers, Set 37

Linear Integrated Circuits Questions and Answers

Q1. 

State the disadvantage of using higher order filters?

Answer : 

1. Complexity

2. Requires more space

3. Expensive

Q2. 

The quality factor of a wide band-pass filter can be

Answer : 

less than 10.

Q3. 

Find the application of area where all-pass filters are used?

Answer : 

Telephone wire

Q4. 

What happens if |Aß|<1

Answer : 

Oscillation will die down

Q5. 

What must be done to ensure that oscillation will not die out in RC phase shift oscillator?

Answer : 

Gain of amplifier is kept greater than 29

Q6. 

Quadrature oscillators have signals with

Answer : 

Same frequency

Q7. 

Which of the following have distorted sinewave?

Answer : 

Function generator

Q8. 

How many set of pins are required to control the frequency in XR-2206 function generator?

Answer : 

Three

Q9. 

The increase in the frequency of triangular wave generator.

Answer : 

Ramp the amplitude of triangular wave

Q10. 

Why clamp diodes are used in comparator?

Answer : 

To protect op-amp from damage

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