chap4 3115 - • NMOS operates faster and at lower power...

Info icon This preview shows pages 1–55. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 4 MOSFETs
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
4-1. Device Structure . Fig. 4-1 . Physical structure of the enhancement- type NMOS transistor
Image of page 2
Image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Fig. 4-2 . The enhancement-type NMOS transistor with applied voltage
Image of page 4
Image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Applying a small v DS . Fig. 4-3 An NMOS transistor with v GS > v t and s small v DS
Image of page 6
Fig. 4-4 . The i D –v DS characteristics of the MOSFET
Image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 8
Image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 10
With increasing v DS . Fig. 4-5 The enhancement NMOS transistor as v DS is increased
Image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Fig. 4-6 The drain current i D vs v DS
Image of page 12
Fig. 4-11 The i D – v DS characteristics of an n- channel enhancement type MOSFET
Image of page 13

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Fig. 4-12 The i D -v DS characteristic for an enhancement –type NMOS transistor in saturation
Image of page 14
Fig. 4-7 A tapered shape caused by increasing v DS
Image of page 15

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 16
Image of page 17

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 18
Image of page 19

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
The p-Channel MOSFET • v GS , v DS and v t are negative • i D enters from the source terminal and leaves through the drain terminal .
Image of page 20
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: • NMOS operates faster and at lower power than PMOS . Fig. 4-9 Cross section of a CMOS circuit Fig. 4-10 Circuit symbol for the n-channel enhancement –type MOSFET The n- channel depletion –type MOSFET The I-V characteristic of MOSFET The depletion type n-channel MOSFET Fig. 4-13 Large signal equivalent circuit of an n-channel MOSFET Fig. 4-17 Large signal equivalent circuit of the n-channel MOSFET in saturation with r 0 Fig. 4-37 Small signal models for the MOSFET Fig. 4-37 (b) with the channel length modulation Fig. 4-40 T model of the MOSFET with r 0 Fig. 4-18 Circuit symbol for the p-channel enhancement type MOSFET The common –source amplifier with a source resistance The common – source amplifier...
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern