Electronic circuits I
Part A
1)Define stability factor of an amplifier. what is its ideal value.
2)What is thermal runaway in transistor.
3)Draw cc amplifier and its equivalent hybrid model.
4)Define CMRR.
5)Define rise time in transistor.
6)Mention the effect of coupling capacitor.
7)What is cross over distortion.
8)What is maximum junction temperature.
9)Compare half and full wave rectifier.
10)What are the advantages of SMPS.
Part B.
1)What is the need of biasing in BJT. Draw and explain fixed biasing circuits.
2)Explain detail in MOSFET biasing.
3)Explain various techniques used in stabilization of Q point in transistor.
4)Derive expression for current gain ,input and output impedance for CE
amplifier.
5)Explain in detail the method of Darlington connection.
6)Explain the working of Basic emitter coupled differential amplifier.
7)Draw hybrіd model π model and derіve varіouѕ componentѕ іn termѕ of h parameters.
8)Derive expression for frequency response of multistage amplifier.
9)Discuss the high frequency equivalent circuit of FET.
10)Explain the operation of transformer coupled class A amplifier.
11)Explain D amplifier with neat diagram.
12)Draw and explain class B push pull amplifier with its merits.
13)Explain rectification efficiency and ripple factor and peak inverse voltage in
HWR and FWR.
14)Explain the working of Switched mode power supply with neat diagram.
15)Explain with neat diagram of power control using SCR.