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Q1 Calculate the gate to source voltage, VGs, required to produce a drain current of 20 mA from a NMOS transistor with B = 1800 µA/V, V = 1 V and operating in saturation. (a) For the circuit shown in Figure 1, draw the small signal equivalent circuit, valid in the mid-band frequency range, and calculate the input resistance Rin. Show the details of the calculation and state any assumption. (b) Calculate the voltage gain Gv for the circuit in Figure 1 using the small signal equivalent circuit sketched in question (b). Show the details of the calculation and state any assumption. What happens to the voltage gain G of the amplifier if R, = 0. Why? (c) V DD R1 M1 Vin H out R2 Rs Vss = 0 V Figure 1

Q1 Calculate the gate to source voltage, VGs, required to produce a drain current of 20 mA from a NMOS transistor with B = 1800 µA/V, V = 1 V and operating in saturation. (a) For the circuit shown in Figure 1, draw the small signal equivalent circuit, valid in the mid-band frequency range, and calculate the input resistance Rin. Show the details of the calculation and state any assumption. (b) Calculate the voltage gain Gv for the circuit in Figure 1 using the small signal equivalent circuit sketched in question (b). Show the details of the calculation and state any assumption. What happens to the voltage gain G of the amplifier if R, = 0. Why? (c) V DD R1 M1 Vin H out R2 Rs Vss = 0 V Figure 1

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Q1 Calculate the gate to source voltage, VGs, required to produce a drain current of 20 mA from a NMOS transistor with ß = 1800 µA/V, V = 1 V and operating in saturation. (a) For the circuit shown in Figure 1, draw the small signal equivalent circuit, valid in the mid-band frequency range, and calculate the input resistance Rin. Show the details of the calculation and state any assumption. (b) Calculate the voltage gain Gv for the circuit in Figure 1 using the small signal equivalent circuit sketched in question (b). Show the details of the calculation and state any assumption. What happens to the voltage gain Gy of the amplifier if R$ = 0. Why? (c) V DD R1 M1 Vin H C, out R2 Rs Vss = 0 V Figure 1
Transcribed Image Text:Q1 Calculate the gate to source voltage, VGs, required to produce a drain current of 20 mA from a NMOS transistor with ß = 1800 µA/V, V = 1 V and operating in saturation. (a) For the circuit shown in Figure 1, draw the small signal equivalent circuit, valid in the mid-band frequency range, and calculate the input resistance Rin. Show the details of the calculation and state any assumption. (b) Calculate the voltage gain Gv for the circuit in Figure 1 using the small signal equivalent circuit sketched in question (b). Show the details of the calculation and state any assumption. What happens to the voltage gain Gy of the amplifier if R$ = 0. Why? (c) V DD R1 M1 Vin H C, out R2 Rs Vss = 0 V Figure 1
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