Linear Integrated Circuits Questions and Answers
Q1.
Load resistors (Re) is neglected for maximizing the voltage gain in amplifier because,
Answer :
1. Requires large chip are
2. Requires large power supply
3. Quiescent drop across Re increases
Q2.
Which current source exhibits a very high output resistance?
Answer :
Wilson current mirror
Q3.
How to improve CMRR value
Answer :
Decrease common mode gain
Q4.
What is the purpose of differential amplifier stage in internal circuit of Op-amp?
Answer :
Cancel common mode signal
Q5.
In ideal Differential Amplifier, if same signal is given to both inputs, then output will be
Answer :
Zero
Q6.
How does an industrial temperature range device in National Semiconductor IC is represented?
Answer :
LM201
Q7.
Which type of DIP IC dissipates more heat?
Answer :
Plastic DIP
Q8.
Which grade device is selected for superior quality performance?
Answer :
Military grade IC
Q9.
The concept of Integrated circuits was introduced at the beginning of 1960 by
Answer :
Texas instrument and Fairchild Semiconductor
Q10.
Why oxidation process is required?
Answer :
1. To protect against contamination
2. To use it for fabrication various components
3. To prevent diffusion of impurities
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