Give the advantages and disadvantages of hybrid parameters.
[3 marks]Derive the equation of close loop gain of OPAMP connected in inverting configuration.
[4 marks]Illustrate the operation of class Bpush pull amplifier with circuit diagram and waveform.
[7 marks]Define: (1) CMRR (2) SVRR (3) Slew rate
[3 marks]Compare positive and negative feedbacks.
[4 marks]Draw circuit diagram of differential amplifier with two OPAMP. Derive the equation of output voltage.
[7 marks]Draw and explain the functional block diagram of IC 555.
[7 marks]Justify the statement: OPAMP not works in open loop mode.
[3 marks]State the name and importance of four stages in block diagram of OPAMP.
[4 marks]Explain how the differentiator circuit behaves after applying the sine wave, triangular wave and square wave as input.
[7 marks]Write the requirement of instrumentation amplifier.
[3 marks]Explain with diagram about Vto Iconverter with floating load.
[4 marks]Explain the practical integrator circuit with diagram.
[7 marks]Write merits and demerits of active filters.
[3 marks]Give the applications of following circuit. (1) Vto Iconverter (2) Comparator (3) Phase shift oscillator (4) Zero crossing detector
[4 marks]Illustrate the triangular waveform generator circuit.
[7 marks]Define: (1) 3 dB frequency (2) Attenuation (3) Passband
[3 marks]Explain the building block of PLL.
[4 marks]Explain the working of wein bridge oscillator with neat circuit diagram.
[7 marks]In an astable circuit, Ra = 25 kΩ, Rb = 33 kΩ and C = 0.5 μF. Calculate the ON and OFF time of the load voltage waveform.
[3 marks]Name the applications of PLL circuit and timer circuit.
[4 marks]Design a fixed positive voltage regulator with the use of IC 78XX.
[7 marks]Define: Astable, monostable and bistable multivibrator.
[3 marks]Explain the principle of VCO circuit.
[4 marks]Explain the working of IC 555 as monostable multivibrator.1
[7 marks]