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The two-stage CMOS op-amp shown in the figure below has: • Reference current I- 191 µA, (W/L)1 = (W/L)2 = (W/L)s = (W/L)4 = (W/L)8 = 40, (W/L)s = 80, • (W/L)6 = (W/L)7 = 160, Early voltage |Val - 102 V for all transistors, μCox53 μΑ/V2, and μ Co21 μΑ/2. (a) Find the DC currents Ip2 and ID6. (b) Find the transconductance parameters gm2 and gm6- (c) Find the overall voltage gain of the op-amp. Hint: Ay - Av1 Av2, where Av1= -gm2 (ro2 || ro4) and Av2 = -gm6 (ro6 || ro7)

The two-stage CMOS op-amp shown in the figure below has: • Reference current I- 191 µA, (W/L)1 = (W/L)2 = (W/L)s = (W/L)4 = (W/L)8 = 40, (W/L)s = 80, • (W/L)6 = (W/L)7 = 160, Early voltage |Val - 102 V for all transistors, μCox53 μΑ/V2, and μ Co21 μΑ/2. (a) Find the DC currents Ip2 and ID6. (b) Find the transconductance parameters gm2 and gm6- (c) Find the overall voltage gain of the op-amp. Hint: Ay - Av1 Av2, where Av1= -gm2 (ro2 || ro4) and Av2 = -gm6 (ro6 || ro7)

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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The two-stage CMOS op-amp shown in the figure below has: • Reference current I- 191 µA, (W/L)1 = (W/L)2 = (W/L)s = (W/L)4 = (W/L)8 = 40, (W/L)s - 80, (W/L)6 = (W/L), = 160, Early voltage |Val - 102 V for all transistors, H,Cox = 53 µA/V?, and u„Cox = 21 HA/V?. (a) Find the DC currents Ip2 and ID6. (b) Find the transconductance parameters gm2 and gmó- (c) Find the overall voltage gain of the op-amp. Hint: A, - Av1 Av2, where Av1 - -gm2 (ro2 || ro4) and Av2 = -gm6 (ro6 || ro7) + Vpp Qs Enter the overall gain in dB below:
Transcribed Image Text:The two-stage CMOS op-amp shown in the figure below has: • Reference current I- 191 µA, (W/L)1 = (W/L)2 = (W/L)s = (W/L)4 = (W/L)8 = 40, (W/L)s - 80, (W/L)6 = (W/L), = 160, Early voltage |Val - 102 V for all transistors, H,Cox = 53 µA/V?, and u„Cox = 21 HA/V?. (a) Find the DC currents Ip2 and ID6. (b) Find the transconductance parameters gm2 and gmó- (c) Find the overall voltage gain of the op-amp. Hint: A, - Av1 Av2, where Av1 - -gm2 (ro2 || ro4) and Av2 = -gm6 (ro6 || ro7) + Vpp Qs Enter the overall gain in dB below:
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