STUPIDSID
1(a)
Find Vε and IE for the circuit given below
4 M
1(b)
For the circuit given below find ID, VDS, VGG
4 M
1(c)
Write down current equation of diode and explain significance of each parameters.
4 M
1(d)
Explain the concept of thermal runaway in BJT.
4 M
1(e)
Draw the output Waveform Vo for circuit shown.
4 M
1(f)
State and explain Barkhausen's criteria for oscillations.
4 M
2(a)
Determine Q-Print and draw d.c. load line for the amplifier shown.
10 M
2(b)
Derive the expression for frequency of oscillation for a BJT RC phase shift oscillator.
10 M
3(a)
Determine voltage gain, Input resistance and output resistance for the MOSFET amplifier shown.
10 M
3(b)
Explain the working and characteristics of -channel Junction Field Effect Transistors (JFET)
10 M
4(a)
Draw the output waveform V0 for ckt shown if (i) Vr = 0V (ii) Vr = 0.7v where Vr is cutin voltage of diode.
10 M
4(b)
For the common base circuit shown, the transistor has parameters β = 120 and VA = ∞
(i) Determine the quiescent VCEQ
(ii) Determine the small signal voltage gain and output resistance.
(i) Determine the quiescent VCEQ
(ii) Determine the small signal voltage gain and output resistance.
10 M
5(a)
For the Amplifier shown determine (i) Q point (ii) Av, Zi, Zo
10 M
5(b)
Derive expression for voltage gain, input resistance and output resistance for source follower circuit using n-channel MOSFET.
10 M
Write short notes on any Four
6(a)
Construction and operation of varactor diode.
5 M
6(b)
MOS capacitor
5 M
6(c)
Transistor as a switch
5 M
6(d)
Crystal oscillator
5 M
6(e)
Hybrid-&pi
5 M
More question papers from Analog Electronics - 1