Linear Integrated Circuits Questions and Answers
Q1.
State the reason for thermal shutdown of IC regulator?
Answer :
Increase in temperature
Q2.
The change in output voltage for the corresponding change in load current in a 7805 IC regulator is defined as
Answer :
Load regulation
Q3.
Which of the following is not a characteristic of adjustable voltage regulators?
Answer :
Non-versatile
Q4.
What is done in switching regulators to minimize its power dissipation during switching?
Answer :
Uses external transistor and 1mH choke
Q5.
Fixed voltage regulators and adjustable regulators are often called as
Answer :
Series dissipative regulators
Q6.
Which of the following is considered to be the most important components of the switching regulator?
Answer :
RL or RLC filter
Q7.
Which is the most commonly used low voltage switching regulators?
Answer :
Silicon steel EI butt stacks
Q8.
What is the conversion ratio of the phase detector in 565 PLL?
Answer :
0.4458
Q9.
At what range the PLL can maintain the lock in the circuit?
Answer :
Lock in range
Q10.
At which state the phase-locked loop tracks any change in input frequency?
Answer :
Phase locked state
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