Linear Integrated Circuits Questions and Answers
Q1.
Which factor affects the power supply voltages in amplifier?
Answer :
Poor regulation and filtering
Q2.
Which among the following is not a source of internal noise?
Answer :
Lightning
Q3.
Internal noise generation can be reduced by keeping
Answer :
Both input and output lead length short
Q4.
When an op-amp exhibits poor common mode rejection?
Answer :
Large common mode output voltage
Q5.
Which technique is used to determine the stability of op-amp?
Answer :
Bode plot
Q6.
What happens if 741 op-amp is configured as a closed loop inverting amplifier?
Answer :
Gain roll-off at a rate 20dB/decade
Q7.
Which op-amp require external compensating network?
Answer :
Op-amp 709
Q8.
Open loop configuration is not preferred in op-amps because
Answer :
First break frequency is very small
Q9.
A standard block diagram of closed loop system composes of
Answer :
Two blocks
Q10.
Find out the system stability when a system has three RC poles pairs
Answer :
Attain instability at high frequency
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