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