Two Marks Questions with Answers

Two Marks Questions with Answers

Q.1 What is transconductance ? Give its expression for MOSFET.

(Refer section 7.2)

Q.2 State the major disadvantage of MOSFET amplifier over BJT amplifier.

(Refer section 7.2)

Q.3 Draw the small signal equivalent circuit of NMOS transistor.

(Refer section 7.3)

Q.4 Give the expression for ro of NMOS transistor.

(Refer section 7.3)

Q.5 Give the steps for performing analysis of MOSFET amplifier.

(Refer section 7.3.1)

Q.6    Draw the small signal equivalent circuit of PMOS transistor.

(Refer section 7.3.2)

Q.7    Explain the loading effect.

(Refer section 7.4.1)

Q.8    Give the expression for voltage gain of CS MOSFET amplifier.

(Refer section 7.4.1)

Q.9    Explain the effect of source resistor on CS MOSFET amplifier.

(Refer section 7.4.2)

Q.10  Draw the circuit of common drain amplifier.

(Refer section 7.5)

Q.11  Give the expression of voltage gain for common drain amplifier.

(Refer section 7.5)

Q.12  What is gate capacitance in MOSFET ?

(Refer section 7.6)

Q.13  What do you mean by drain diffusion and source diffusion capacitances ?

(Refer section 7.6)

Q.14  List various gate capacitances in MOSFET.

(Refer section 7.6.1)

Q.15  State the values of Cgd and Cgs in various operating regions of MOSFET.

(Refer section 7.6.1)

Q.16  Define overlap capacitance.

(Refer section 7.6.1)

Q.17  Give the expression for source diffusion capacitance.

(Refer section 7.6.2)

Q.18  Give the expression for drain diffusion capacitance.

(Refer section 7.6.2)

Q.19  Draw the high frequency equivalent circuit model for the MOSFET.

(Refer section 7.6.3)

Q.20 What do you mean by unity-gain frequency ?

(Refer section 7.6.4)

Q.21 Give the expression of unity-gain frequency for MOSFET amplifier.

(Refer section 7.6.4)

Q.22 Explain the effect of CC1, Cs and CC2 capacitances on the frequency response of MOSFET amplifier.

(Refer section 7.7)

Q.23 Explain the effect of Cgs and Cgd capacitances on the frequency response of MOSFET amplifier.

(Refer section 7.6.1)