A PMOS has the following device parameters: kp'=100 μA/V², Vthp = -0.6 V, W = 15 µm, L = 1.5 um. Its source terminal is tied to Vs = VDD = 5 V. (a) When VGS = -2 V, VDs = -2 V, what region of operation is it in? Calculate the current IDs. (b) When VGS = -2 V, VDs = -1 V, what region of operation is it in? Calculate the current IDs. (c) When VGS = -0.5 V, VDs = -0.5 V, what region of operation is it in? Calculate the current IDs. (d) Sketch IDs vs. VDs for -5 ≤ VDs ≤0 V and VGs = 0, -2, and -4 V, respectively. (e) Sketch IDs vs. VGs for -5 ≤ VGS ≤0 V and VDs = -2 V.
A PMOS has the following device parameters: kp'=100 μA/V², Vthp = -0.6 V, W = 15 µm, L = 1.5 um. Its source terminal is tied to Vs = VDD = 5 V. (a) When VGS = -2 V, VDs = -2 V, what region of operation is it in? Calculate the current IDs. (b) When VGS = -2 V, VDs = -1 V, what region of operation is it in? Calculate the current IDs. (c) When VGS = -0.5 V, VDs = -0.5 V, what region of operation is it in? Calculate the current IDs. (d) Sketch IDs vs. VDs for -5 ≤ VDs ≤0 V and VGs = 0, -2, and -4 V, respectively. (e) Sketch IDs vs. VGs for -5 ≤ VGS ≤0 V and VDs = -2 V.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Transcribed Image Text:A PMOS has the following device parameters: kp'=100 μA/V², Vthp = -0.6 V, W = 15 µm, L = 1.5
um. Its source terminal is tied to Vs = VDD = 5 V.
(a) When VGS = -2 V, VDs = -2 V, what region of operation is it in? Calculate the current IDs.
(b) When VGS = -2 V, VDs = -1 V, what region of operation is it in? Calculate the current IDs.
(c) When VGS = -0.5 V, VDs = -0.5 V, what region of operation is it in? Calculate the current IDs.
(d) Sketch IDs vs. VDs for -5 ≤ VDs ≤0 V and VGs = 0, -2, and -4 V, respectively.
(e) Sketch IDs vs. VGs for -5 ≤ VGS ≤0 V and VDs = -2 V.
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