STUPIDSID
1(a)
Draw and explain Current Mirror Circuit. Discuss it's application with derivation.
5 M
1(b)
Explain OP-AMP an integrator. Explain why practical integrator is used.
5 M
1(c)
Explain cross-over disortion in power amplifier along with necessary circuit to overcome it.
5 M
1(d)
Compare RC phase shift oscillator and and wein bridge oscillator.
5 M
2(a)
Draw and explain working of Hartley oscillator. Drive frequency of oscillation and condition for sustained oscillation for Hartley oscillator.
10 M
2(b)
Derive an expression for gain of three op-amp Instrumentation amplifier with neat circuit diagram. State the characteristics and application for instrumentation amplifier.
10 M
3(a)
Draw and explain working of class B push-pull power amplifier. Derive expression for efficiency and figure of merit.
10 M
3(b)
Design using OP-AMP
1. Wein Bridge Oscillator for f = 10 Khz
2. V0 = 4Va-3Vb+2Vc -Vd.
1. Wein Bridge Oscillator for f = 10 Khz
2. V0 = 4Va-3Vb+2Vc -Vd.
10 M
4(a)
Calculate Q point, Ad, Ac, CMRR and Rin for DIUO differential amplifier for given specifications. Supply = ±20v, Rc = 3.3 Khz, RE = 1kΩ, Rs 500Ω , β=100
10 M
4(b)
Design transformer coupled class - A power amplifier to provide
10 M
5(a)
Design a Schmitt trigger for Vvt=6V and VLT = 4V with supply = ±
5 M
5(b)
Draw and explain Non-inverting comparator working along with waveforms.
5 M
5(c)
For the circuit given below identify the feedback toplogy. Using negative feedback approach, determine Avf, Rif and Rof.
!mage
!mage
10 M
Solve any four question from Q.6(a,b,c,d,e)
6(a)
Compare current shunt and current series negative feedback
5 M
6(b)
Explain Block diagram of Op-Amp
5 M
6(c)
Explain Full wave Rectifier using OP-AMP.
5 M
6(d)
State and prove condition for substained oscillations.
5 M
6(e)
Explain use of swamping Register used in Differential-Amplifier with neat circuit Diagram.
5 M
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