Linear Integrated Circuits Questions and Answers
Q1.
Which among the following is preferred to display device in digital application?
Answer :
Matched LEDs
Q2.
Which among the following circuit has the highest input resistance?
Answer :
Voltage follower
Q3.
Which of the following functions does the antilog computation required to perform continuously with log-amps?
Answer :
1. In(x)
2. log(x)
3. Sinh(x)
Q4.
Which circuit can be used to take square root of a signal?
Answer :
Divider circuit
Q5.
Why a resistor is shunted across the feedback capacitor in the practical integrator?
Answer :
To reduce error voltage
Q6.
The increase in the input frequency of the differentiation amplifier to input impedance creates
Answer :
High frequency noise
Q7.
Why inductors are not preferred for audio frequency?
Answer :
Large and heavy
Q8.
Choose the op-amp that improves the filter performance.
Answer :
LM318
Q9.
The gain of the first order low pass filter
Answer :
Decreases at the rate 20dB/decade
Q10.
How can a first order low pass filter can be converted into second order low pass filter
Answer :
By adding RC network
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