Linear Integrated Circuits Questions and Answers
Q1.
In which configuration does the op-amp function as a high gain amplifier?
Answer :
1. Differential amplifier
2. Inverting amplifier
3. Non-inverting amplifier
Q2.
Why open-loop op-amp configurations are not used in linear applications?
Answer :
Output switches between positive and negative saturation
Q3.
The closed loop voltage gain is reciprocal of
Answer :
Gain of the feedback circuit
Q4.
Which of the following has the same characteristic as that of non-inverting amplifier with feedback?
Answer :
Perfect voltage amplifier
Q5.
Voltage shunt feedback amplifiers are also called as
Answer :
Inverting amplifier with feedback
Q6.
Compute the output voltage if the input voltage is reduced to zero in differential amplifier with one op-amp?
Answer :
Cannot be determined
Q7.
What makes the output voltage equals to zero in practical op-amp?
Answer :
Input offset voltage
Q8.
Which of the following op-amp does not need compensating network?
Answer :
1. 777
2. 741
3. 748
Q9.
Where does the compensating network connected in an inverting amplifier.
Answer :
Non-inverting input terminal
Q10.
Although the value of input bias current is very small, it causes
Answer :
Output offset voltage
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