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For the common source amplifier circuit to the right, assume VDD = 3V, μn = 350 cm²/Vs, Cox = 3.835x107 F/cm², Vthn = 0.7 V, W/L = 50/0.5, RD = 2 k. Ignore channel length modulation (i.e. λn = 0). (a) What is the small-signal voltage gain if M₁ is in saturation region with IDS = 1 mA? (b) What input voltage places M1 at the edge of saturation region (i.e. when VDS = VDS(sat))? What is the small-signal voltage gain under this condition? J VDD RD Vin M₁ Lo Vout (c) What input voltage drives M1 into the linear region by 50 mV (i.e. when VDs = VDS(sat) - 50 mV)? What is the small-signal voltage gain under this condition? (Note: You will need to use the expressions for gm and ro derived from the linear region current equation.)

For the common source amplifier circuit to the right, assume VDD = 3V, μn = 350 cm²/Vs, Cox = 3.835x107 F/cm², Vthn = 0.7 V, W/L = 50/0.5, RD = 2 k. Ignore channel length modulation (i.e. λn = 0). (a) What is the small-signal voltage gain if M₁ is in saturation region with IDS = 1 mA? (b) What input voltage places M1 at the edge of saturation region (i.e. when VDS = VDS(sat))? What is the small-signal voltage gain under this condition? J VDD RD Vin M₁ Lo Vout (c) What input voltage drives M1 into the linear region by 50 mV (i.e. when VDs = VDS(sat) - 50 mV)? What is the small-signal voltage gain under this condition? (Note: You will need to use the expressions for gm and ro derived from the linear region current equation.)

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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For the common source amplifier circuit to the right, assume VDD = 3V, μn = 350 cm²/Vs, Cox = 3.835x10-7 F/cm², Vthn = 0.7 V, W/L = 50/0.5, RD = 2 kQ. Ignore channel length modulation (i.e. λn = 0). = (a) What is the small-signal voltage gain if M₁ is in saturation region with IDS = 1 mA? (b) What input voltage places M1 at the edge of saturation region (i.e. when VDS(sat))? What is the small-signal voltage gain under this = VDS condition? VDD RD Vout Vin M₁ 1 (c) What input voltage drives M1 into the linear region by 50 mV (i.e. when VDS = VDS(sat) - 50 mV)? What is the small-signal voltage gain under this condition? (Note: You will need to use the expressions for gm and ro derived from the linear region current equation.)
Transcribed Image Text:For the common source amplifier circuit to the right, assume VDD = 3V, μn = 350 cm²/Vs, Cox = 3.835x10-7 F/cm², Vthn = 0.7 V, W/L = 50/0.5, RD = 2 kQ. Ignore channel length modulation (i.e. λn = 0). = (a) What is the small-signal voltage gain if M₁ is in saturation region with IDS = 1 mA? (b) What input voltage places M1 at the edge of saturation region (i.e. when VDS(sat))? What is the small-signal voltage gain under this = VDS condition? VDD RD Vout Vin M₁ 1 (c) What input voltage drives M1 into the linear region by 50 mV (i.e. when VDS = VDS(sat) - 50 mV)? What is the small-signal voltage gain under this condition? (Note: You will need to use the expressions for gm and ro derived from the linear region current equation.)
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