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Linear Integrated Circuits
Linear Integrated Circuits Assessment
Quiz 1
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Q.1
To obtain a faster slew rate the op-amp should have
a) High current and large compensating capacitor
b) Small compensating capacitor
c) High current or small compensating capacitor
d) Low current or large compensating capacitor
Q.2
Find the expression for full power response.
a) fmax(Hz) =(slew rate×106)/(6.28×Vm)
b) fmax(Hz) =slew rate /(628×106×Vm)
c) fmax(Hz) =(slew rate×Vm×106)/6.28
d) fmax(Hz) =(6.28×Vm× 106)/ slew rate
Q.3
Calculate the time taken by the output to swing from +to -for aop-amp having a slew rate of 0.5V/µs?
a) 22µs
b) 42µs
c) 56µs
d) 70µs
Q.4
Consider a square wave having a peak to peak amplitude of 275mv and it is amplified to a peak to peak amplitude of 4v, with rise time of 5.2µs. Calculate the slew rate?
a) 0.615 v/µs
b) 0.712 v/µs
c) 0.325 v/µs
d) None of the mentioned
Q.5
Determine the maximum input signal to be applied to an op-amp to get distortion free output. If the op-amp used is an inverting amplifier with a gain ofand maximum output amplitude obtained is 4.sine wave?
a) 159mv
b) 0.168mv
c) 207mv
d) 111mv
Q.6
What happens if the frequency or amplitude of the input signal is increased to exceed slew rate of the op-amp?
a) All of the mentioned
b) High frequency output
c) Distorted output
d) Large amplitude output
Q.7
Compute the peak output amplitude, when the voltage gain verses frequency curve ofis flat upto 25Hz.
a) 4Vpeak
b) 9Vpeak
c) 20Vpeak
d) None of the mentioned
Q.8
Calculate the maximum input frequency at which the output will be distorted from the given specifications
a) 1000Hz
b) 10kHz
c) 1kHz
d) 10kHz
Q.9
Match AC parameter of the op-amp in column 1 with the column
a) 1-i 2-iii 3-ii
b) 1-ii 2-iii 3-i
c) 1-iii 2-ii 3-i
d) 1-iii 2-i 3-ii
0 h : 0 m : 1 s
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