Enlist the ideal characteristics of OPAMP.
[3 marks]List the parameter those affecting to the transistor at high frequencies.
[4 marks]Draw the hybrid π model for CE configuration and explain it.
[7 marks]How op-amp is used as a summing amplifier?
[3 marks]What is oscillator? What are the necessary conditions for the oscillations?
[4 marks]Derive the expression for the frequency for the RC phase shift oscillator using transistor.
[7 marks]List the merits & Demerits of negative feedback.
[3 marks]Define the following parameters of Op-Amp: (i) Slew rate (ii) CMRR (iii) Input offset voltage (iv) PSRR
[4 marks]Derive the A , R , & Rfor Voltage Amplifier. vf if of
[7 marks]Draw the block diagram of OPAMP.
[3 marks]Draw the Block diagram of various Feedback topologies and explain the significance of each topology.
[4 marks]For the voltage amplifier A = 140, f =200 Hz, f = 200 KHz, R = 2KΩ, R = V L Hi o 4.7KΩ. When negative feedback is employed in it with ᵦ = 0.4, determine the A , R , R , F , F . vf if of LH HF
[7 marks]What is precision rectifier?
[3 marks]Explain the working of a Schmitt trigger using Op-amp.
[4 marks]Explain the ideal integrator. What are the problems associated with this configuration? How it can overcome?
[7 marks]Explain operation of PLL with basic blocks.
[3 marks]Explain instrumentation amplifier.
[4 marks]Explain with the circuit diagram and waveforms, the monostable multivibrator using 555 timer.
[7 marks]Classify filter on the basis their frequency response.
[3 marks]What is the difference between active and passive filters?
[4 marks]Show how Bi-quad circuit can be used as a universal filter?
[7 marks]Discuss magnitude and frequency scaling in filter design.
[3 marks]What do you mean by Voltage regulator? List different types of voltage regulators.
[4 marks]Design and explain the 2nd order low pass Butterworth filter. Derive the equation of gain for the same.
[7 marks]