STUPIDSID
Solve any Four questions.
1 (a)
Draw output waveform for following circuits.
5 M
1 (b)
Explain Wilson current source.
5 M
1 (c)
What are different biasing methods used for FET, explain self bias techniques.
5 M
1 (d)
State and Explain Barkhausen criteria.
5 M
1 (e)
Derive expression for efficiency for Class A transformer coupled amplifier.
5 M
2 (a)
Find Icq, Vceq, Ri and R0 for following circuit with RC=1.2 kΩ.
10 M
2 (b)
Explain any one method for biasing for E-MOSFET.
10 M
3 (a)
Find Av, Ri and R0 for following circuit.
10 M
3 (b)
Explain need for cascading of amplifiers. Explain CS-CE combination in detail.
10 M
4 (a)
What is use of negative feedback in amplifier? Draw block diagram for current shunt feedback and Af, Rif and R0f.
10 M
4 (b)
Explain High frequency response of CS-CS amplifier and hence derive equation of output frequency.
10 M
5 (a)
For the following diff-amp find Ad, Ac and CMRR.
10 M
5 (b)
Explain working of Class B push-pull power amplifier. What it cross over distortion?
10 M
Write short notes on (any four).
6 (a)
High frequency oscillator
5 M
6 (b)
Cascode amplifier
5 M
6 (c)
High frequency model for BJT
5 M
6 (d)
Heat sinks
5 M
6 (e)
Constant current source used in diff-amp.
5 M
More question papers from Discrete Electronic Circuits