-1 -8 -5 × 10- -4.5 × 10-7 Qs(coul/cm²) 4 × 10-7 1 2 Vg- Vfb(V) FIGURE 5-36 Consider an MOS capacitor fabricated on P-type Si substrate with a doping of -3 5×1016 cm with oxide thickness of 10nm and N+ poly-gate. (a) Find Cox, Vfb, and Vt. (b) Find the accumulation charge (C/cm²) at Vg = Vfb-1 V. (c) Find the depletion and inversion charge at Vg = 2 V. (d) Plot the total substrate charge as a function of V for Vo from -2 to 2 V. g g

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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all parts please

-1
-8
-5 × 10-
-4.5 × 10-7
Qs(coul/cm²)
4 × 10-7
1
2
Vg- Vfb(V)
FIGURE 5-36
Consider an MOS capacitor fabricated on P-type Si substrate with a doping of
-3
5×1016 cm with oxide thickness of 10nm and N+ poly-gate.
(a) Find Cox, Vfb, and Vt.
(b) Find the accumulation charge (C/cm²) at Vg =
Vfb-1 V.
(c) Find the depletion and inversion charge at Vg = 2 V.
(d) Plot the total substrate charge as a function of V for Vo from -2 to 2 V.
g
g
Transcribed Image Text:-1 -8 -5 × 10- -4.5 × 10-7 Qs(coul/cm²) 4 × 10-7 1 2 Vg- Vfb(V) FIGURE 5-36 Consider an MOS capacitor fabricated on P-type Si substrate with a doping of -3 5×1016 cm with oxide thickness of 10nm and N+ poly-gate. (a) Find Cox, Vfb, and Vt. (b) Find the accumulation charge (C/cm²) at Vg = Vfb-1 V. (c) Find the depletion and inversion charge at Vg = 2 V. (d) Plot the total substrate charge as a function of V for Vo from -2 to 2 V. g g
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