Linear Integrated Circuits Questions and Answers, Set 50

Linear Integrated Circuits Questions and Answers


Q1. 
What happens if the input voltage is higher than reference voltage in a positive clipper?

Answer :  
Output voltage = Reference voltage


Q2. 
A circuit with a predetermined dc level is added to the output voltage of the op-amp is called

Answer :  
Clamper


Q3. 
How the recovery time of the op-amp is reduced?

Answer : 
Diode is connected at the output of amplifier

Q4. 
How to overcome mistriggering on the positive pulse edges in the monostable circuit?

Answer :  
Connect a differentiator at the input


Q5. 
How does a monostable multivibrator used as frequency divider?

Answer :  
Using square wave generator


Q6. 
What is the need to generate corrective control voltage?

Answer :  
1. To maintain the lock
2. To track the frequency change
3. To shift the VCO frequency


Q7. 
How to overcome the problem associated with switch type phase detective?

Answer :  
Limit the amplifier of input signal


Q8. 
What is the advantage of using filter?

Answer :  
High noise immunity


Q9. 
The frequency corresponding to logic 1 state in FSK is called

Answer : 
Mark frequency


Q10. 
Which type of regulator is considered more efficient?

Answer : 
Switching regulator

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