STUPIDSID
Answer any four from the following:
1 (a)
Explain Zener diode as a voltage regulator.
5 M
1 (b)
Explain the construction and principle of operation of photodiode with one application.
5 M
1 (c)
Explain thermal stabilization and compensation.
5 M
1 (d)
Draw and explain the effect of coupling on performance of BJT amplifiers.
5 M
1 (e)
Explain Barkhausen criterion for sustained oscillations.
5 M
1 (f)
Draw and explain dual input balanced output differential amplifier using FET.
5 M
2 (a)
What are the advantages of negative feedback? Explain.
10 M
2 (b)
Explain the operation of LC filter in full wave rectifier with neat diagram and waveforms.
10 M
3 (a)
Derive the expression for voltage gain, current gain, input impedance, output impedance of CE amplifier.
10 M
3 (b)
What are the types of MOSFET? Explain their construction and working.
10 M
4 (a)
Derive an expression for the voltage gain of CS differential amplifier.
10 M
5 (a)
What are the different types of feedback amplifier? Explain voltage series negative feedback amplifier.
10 M
5 (b)
Draw circuit for R-C phase shift oscillator. Derive an expression for its frequency of oscillation.
10 M
Write short notes on any two of the following:
6 (a)
Darlington pair
7 M
6 (b)
Wien Bridge oscillator
7 M
6 (c)
Frequency response of BJT amplifier.
7 M
More question papers from Electronics Devices and Circuits