Linear Integrated Circuits Questions and Answers
Q1.
What happen if any positive input signal is applied to open-loop configuration?
Answer :
Output reaches saturation level
Q2.
When load current flows into the feedback circuit, the configuration is said to be
Answer :
Voltage-shunt feedback
Q3.
How are the saturation voltage specified on the manufacture’s datasheet?
Answer :
Output voltage swing
Q4.
Voltage shunt feedback amplifier forms
Answer :
A negative feedback
Q5.
Which of the following is a combination of inverting and non-inverting amplifier?
Answer :
Differential amplifier with one op-amp
Q6.
The bandwidth of the differential amplifier increases, if the value of
Answer :
Closed loop voltage gain decreases
Q7.
If three different 741 op-amps are taken and the corresponding output offset voltage for each of them is measured. The output voltage in these three op-amps have
Answer :
Different amplitude and polarity
Q8.
How the value of output offset voltage is reduced in closed loop op-amp?
Answer :
By reducing gain
Q9.
Input bias current is defined as
Answer :
Average of two input bias current
Q10.
Which factor affect the input offset voltage, bias current and input offset current in an op-amp
Answer :
1. Change in temperature
2. Change in supply voltage
3. Change in time
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