Why is the effect of negative feedback on bandwidth?
[3 marks]Classify power amplifiers. Write note on Class AB push pull amplifier.
[4 marks]Draw and explain biasing circuits for JFET.
[7 marks]Define following terms. (1) CMRR (2) PSRR (3) Slew Rate
[3 marks]Distinguish between Ideal and Practical OP-AMP.
[4 marks]Draw and explain block diagram of a typical OP-AMP.
[7 marks]Draw the circuit of basic integrator using OP-AMP. What are the problems associated with this configuration? How they are overcome?
[7 marks]Define following parameter of an OP-AMP, (1) Input bias current (2) Input offset current.
[3 marks]How OP-AMP can be used as a difference amplifier?
[4 marks]Derive an expression of voltage gain for closed loop non-inverting OP-AMP.
[7 marks]How OP-AMP can be used as a peak detector.?
[3 marks]Discuss the requirement of instrumentation amplifier along with its applications.
[4 marks]Draw the circuit diagram to generate triangular waveform using OP-AMP.
[7 marks]Explain application of OP-AMP as a zero crossing detector.
[3 marks]Explain the working of RC Phase shift oscillator using OP-AMP.
[4 marks]Explain the working of monostable multivibrator using IC-555.
[7 marks]Explain advantages and application of OP-AMP based Wien bridge oscillator.
[3 marks]Explain voltage to current converter circuit using OP-AMP.
[4 marks]Explain the operation of voltage controlled oscillator using functional block diagram.
[7 marks]Write merits of active filters over passive filters.
[3 marks]Draw the frequency response of first order butterworth high pass filters.
[4 marks]Explain operation of PLL with basic blocks.
[7 marks]What are the basic design consideration for designing regulated power supplies?
[3 marks]Draw and explain block diagram of LM-337 along with its applications.
[4 marks]Draw and explain circuit diagram of first order butterworth low pass filter using OP-AMP.
[7 marks]