hw #4 chapter 4 (mosfet circuits)analog.postech.ac.kr/3.class/1.classes/14_331/ch04a.pdf · 2002....
TRANSCRIPT
![Page 1: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/1.jpg)
Electronic Circuit 1 Ch-4
due 6/19(Thr)
Discussion session: 6/19(Thr), tentative
Quiz 4: 6/20(Friday) 10am~12pm, tentative
Late penalty: -20% / 24 hours(HW portion in total grading: 30%)
EECE331 Electronic Circuits 1, Spring Semester, 2014
HW #4: Chapter 4 (MOSFET Circuits)
![Page 2: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/2.jpg)
Electronic Circuit 1 Ch-4
![Page 3: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/3.jpg)
Electronic Circuit 1 Ch-4
![Page 4: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/4.jpg)
Electronic Circuit 1 Ch-4
![Page 5: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/5.jpg)
Electronic Circuit 1 Ch-4
![Page 6: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/6.jpg)
Electronic Circuit 1 Ch-4
![Page 7: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/7.jpg)
Electronic Circuit 1 Ch-4
![Page 8: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/8.jpg)
Electronic Circuit 1 Ch-4
![Page 9: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/9.jpg)
Electronic Circuit 1 Ch-4
![Page 10: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/10.jpg)
Electronic Circuit 1 Ch-4
![Page 11: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/11.jpg)
Electronic Circuit 1 Ch-4
![Page 12: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/12.jpg)
Electronic Circuit 1 Ch-4
![Page 13: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/13.jpg)
Electronic Circuit 1 Ch-4
![Page 14: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/14.jpg)
Electronic Circuit 1 Ch-4
![Page 15: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/15.jpg)
Electronic Circuit 1 Ch-4
![Page 16: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/16.jpg)
Electronic Circuit 1 Ch-4
![Page 17: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/17.jpg)
Electronic Circuit 1 Ch-4
![Page 18: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/18.jpg)
Electronic Circuit 1 Ch-4
![Page 19: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/19.jpg)
Electronic Circuit 1 Ch-4
![Page 20: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/20.jpg)
Electronic Circuit 1 Ch-4
![Page 21: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/21.jpg)
Electronic Circuit 1 Ch-4
![Page 22: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/22.jpg)
Electronic Circuit 1 Ch-4
![Page 23: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/23.jpg)
Electronic Circuit 1 Ch-4
![Page 24: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/24.jpg)
Electronic Circuit 1 Ch-4
![Page 25: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/25.jpg)
Electronic Circuit 1 Ch-4
![Page 26: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/26.jpg)
Electronic Circuit 1 Ch-4
![Page 27: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/27.jpg)
Electronic Circuit 1 Ch-4
![Page 28: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/28.jpg)
Electronic Circuit 1 Ch-4
![Page 29: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/29.jpg)
Electronic Circuit 1 Ch-4
![Page 30: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/30.jpg)
Electronic Circuit 1 Ch-4
![Page 31: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/31.jpg)
Electronic Circuit 1 Ch-4
![Page 32: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/32.jpg)
Electronic Circuit 1 Ch-4
![Page 33: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/33.jpg)
Electronic Circuit 1 Ch-4
![Page 34: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/34.jpg)
Electronic Circuit 1 Ch-4
![Page 35: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/35.jpg)
Electronic Circuit 1 Ch-4
![Page 36: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/36.jpg)
Electronic Circuit 1 Ch-4
![Page 37: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/37.jpg)
Electronic Circuit 1 Ch-4
![Page 38: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/38.jpg)
Electronic Circuit 1 Ch-4
![Page 39: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/39.jpg)
Electronic Circuit 1 Ch-4
![Page 40: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/40.jpg)
Electronic Circuit 1 Ch-4
![Page 41: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/41.jpg)
Electronic Circuit 1 Ch-4
![Page 42: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/42.jpg)
Electronic Circuit 1 Ch-4
![Page 43: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/43.jpg)
Electronic Circuit 1 Ch-4
![Page 44: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/44.jpg)
Electronic Circuit 1 Ch-4
![Page 45: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/45.jpg)
Electronic Circuit 1 Ch-4
![Page 46: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/46.jpg)
Electronic Circuit 1 Ch-4
![Page 47: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/47.jpg)
Electronic Circuit 1 Ch-4
![Page 48: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/48.jpg)
Electronic Circuit 1 Ch-4
![Page 49: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/49.jpg)
Electronic Circuit 1 Ch-4
347
MOSFETMetal Oxide Semiconductor Field Effect Transistor
![Page 50: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/50.jpg)
Electronic Circuit 1 Ch-4
348
http://www.computerhistory.org/semiconductor/timeline/1960-MOS.html
![Page 51: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/51.jpg)
Electronic Circuit 1 Ch-4
349
Cross section of NMOS capacitor
oxide(SiO2)
p type silicon substrate
Al
B
VGB
G
![Page 52: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/52.jpg)
Electronic Circuit 1 Ch-4
350
MOSFET : voltage controlled resistor, VCCS
![Page 53: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/53.jpg)
Electronic Circuit 1 Ch-4
351
MOSFET operation
substrate(bulk)
p+ p+Inversion carrier
oxide
Source
Drain
L
n type silicon substrate
Depletion region
(free hole)
n+ poly
Gate
(b)0BSV
cross section of PMOSFET
![Page 54: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/54.jpg)
Electronic Circuit 1 Ch-4
352
Comparison of MOSFET depletion region with PN junction
![Page 55: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/55.jpg)
Electronic Circuit 1 Ch-4
353
NMOS capacitor : accumulation, depletion, inversion
![Page 56: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/56.jpg)
Electronic Circuit 1 Ch-4
354
MOSFET operation
n+
Drain
Depletion region
n+ Inversion carrier
oxide
Source
L
P type silicon substrate
substrate(bulk)
(free electron)
n+ poly
Gate
(a) 0BSV
cross section of NMOSFET
![Page 57: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/57.jpg)
Electronic Circuit 1 Ch-4
355
Channel inversion(逆轉, 反轉) of NMOSFET
![Page 58: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/58.jpg)
Electronic Circuit 1 Ch-4
356
Inversion state of NMOS capacitor ? (compared to PN junction)
A state in which the inversion carriers at silicon surface near oxide can stay at surface without dispersing toward the silicon substrate.
Inversion carrier: free electrons in P-substrate, free holes in N-substrate
The voltage drop across silicon (Vsi.max = 2 phi F + VCB)
![Page 59: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/59.jpg)
Electronic Circuit 1 Ch-4
357
NMOSFET : accumulation, depletion, inversion
![Page 60: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/60.jpg)
Electronic Circuit 1 Ch-4
358
Difference between MOSFET & MOS capacitor
• Channel inversion carriers are supplied from _____&______
• Bias can be applied to an ________ channel through the source & draincontacts
n+ n+
Inversion carrier (free electron))
n+ poly gate
oxide
p type silicon substrate
Depletion region
CBVGBV
CBV
![Page 61: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/61.jpg)
Electronic Circuit 1 Ch-4
359
Electron fills in all hole positions: No free carriers
B--
--
-
- -
Si
Si
Si
--
-
Depletion state Inversion state
Free electrons are added in the Depletion region.
FsiV 2Similar to the built-in potential of PN junction
![Page 62: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/62.jpg)
Electronic Circuit 1 Ch-4
360
Inversion state
FsiV 2 Similar to the built-in potential of PN junction
No free carriers can cross the junction
N-type region(channel) can be maintained at the surface
![Page 63: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/63.jpg)
Electronic Circuit 1 Ch-4
361
)(arg THGCoxN VVCqdensityechInversion
Gq
F
ox
SSFBGCox C
QVVC 2
CBFoxD VCq 2
FCBFFBTH VVV 22
MOSFET operation
![Page 64: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/64.jpg)
Electronic Circuit 1 Ch-4
362
CBFFox
impFBTH V
Cq
VNMOSV 22)(
CBFFox
impFBTH V
Cq
VPMOSV 22)(
real
(NMOS) versus
CBF V2
CBF V2THV
THV
oxSSsiGFB CQV
2 distinct slopes Due to Channel doping to adjust
threshold voltage
Threshold voltage equation
MOSFET operation
![Page 65: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/65.jpg)
Electronic Circuit 1 Ch-4
363
MOS level 1 mode: current equation
SBFFFBTHTHVVVyV × 22)0()(
SPICE level 1 model: two assumptions for simple derivation of ID
(Assumption 1) VTH(y) = VTH(0) for all y ( )Ly 0
(Assumption 2) Channel carrier mobility is constant independent of
bias voltages (VGS, VDS, VBS)
MOS level 1 model: current equation
![Page 66: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/66.jpg)
Electronic Circuit 1 Ch-4
364
SBFFFBTHTH VVVyV 22)0()(
SBFsisi VVyV 2)0()(
))()(()( yVyVCyq THGCoxN
))(()( yVVVCyq THGSoxN
MOS level 1 model: current equation
![Page 67: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/67.jpg)
Electronic Circuit 1 Ch-4
365
DD IyI )( )cdiffusion ()cdrift( urrenturrent
dy
ydqD
dyydVyqW N
nNn)()()(
)())((0
ydVyVVVCWLI DSVTHGSoxnD ))0()(( NNn qLqDW
Integrate the above equation from source(y=0) to drain(y=L)
MOS level 1 model: current equation
![Page 68: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/68.jpg)
Electronic Circuit 1 Ch-4
366
MOS level 1 model: current equation
![Page 69: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/69.jpg)
Electronic Circuit 1 Ch-4
367
DSDSTHGSoxnD VVVVLWCI
21 DSoxn V
LWCD
DSDSTHGSoxn VVVVL
WC
21 DSToxn VV
LWC
DSGSoxnD VVLWCI __________
MOS level 1 model: current equation
![Page 70: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/70.jpg)
Electronic Circuit 1 Ch-4
368
MOS level 1 model: current equation
![Page 71: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/71.jpg)
Electronic Circuit 1 Ch-4
369
0)())(()( DSTHGSoxTHGSoxN VVVCLyVVVCLyq
Pinchoff Voltage VDSAT
VDS value where the inversion charge density at the drain end ofchannel becomes 0
THGSDSAT VVV
Saturation region: VDS > VGS – VTH VD > VG - VTH
MOS level 1 model: current equation
![Page 72: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/72.jpg)
Electronic Circuit 1 Ch-4
370
LL V
THGSoxnD ydVyVVVCWdyI DSAT
0 0)())((
)(
)0()(
LLq
q NnN
NydqDW
2)(21)( THGSoxnD VVCWLLI )0(Nn qDW
2)(21
THGSoxnD VVCLL
WI
)( THGSToxn VVVCLL
W
2)(21
THGSoxnD VVCLL
WI
Saturation region current equation
MOS level 1 model: current equation
![Page 73: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/73.jpg)
Electronic Circuit 1 Ch-4
371
)(2DSATDS
A
si VVqN
L
DSVLL
)1(111
1
111DSV
LLL
LLLLLL
Channel Length Modulation
Channel length modulation factorSUBNL
1
For smaller channel length(L), the larger lambdadecreases the small-signal output resistance & voltage gain
MOS level 1 model: current equation
![Page 74: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/74.jpg)
Electronic Circuit 1 Ch-4
372
)1(21)( DSDSDSTHGSoxnDDSATDSTHGS VVVVV
LWCIVVandVVif
)1()(21)( 2
DSTHGSoxnDDSATDSTHGS VVVLWCIVVandVVif
0)( DTHGS IVVif
MOS level 1 model: current equation
MOS level 1 model: current equation
![Page 75: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/75.jpg)
Electronic Circuit 1 Ch-4
373
)(2
DSATDSA
si VVqN
L
DSVLL
)1(111
1
111DSV
LLL
LLLLLL
Channel Length Modulation
Channel length modulation factorSUBNL
1
MOS level 1 model: current equation
For smaller channel length(L), the larger lambda decreases the small-signal output resistance & voltage gain
![Page 76: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/76.jpg)
Electronic Circuit 1 Ch-4
374
)1(21)( DSDSDSTHGSoxnDDSATDSTHGS VVVVV
LWCIVVandVVif
)1()(21)( 2
DSTHGSoxnDDSATDSTHGS VVVLWCIVVandVVif
0)( DTHGS IVVif
MOS level 1 model: current equationUsed for hand analysis
복습 MOS level 1 model: current equation
![Page 77: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/77.jpg)
Electronic Circuit 1 Ch-4
375
SPICE MOSFET (Large signal model)
(a)
CGD
D
CBD
VGD
G VDS
VBD
VBS
CBS
CGB
BID
VGS
+ _
++
rs
rd
S
+
__
_
_+
CGS
![Page 78: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/78.jpg)
Electronic Circuit 1 Ch-4
376
S
CBD
gbd
gbs
CBSrs
gdsgmbvbs
gmvgs
CGD
CGS
rd
G
D
B
CGB
(b)
SPICE MOSFET (Small signal model)
![Page 79: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/79.jpg)
Electronic Circuit 1 Ch-4
377
SPICE level 1 parameters
-11LEVEL
0.80.8PHI
TOX
LD
LAMBDA
0.4370.822GAMMA
128335UO
-0.9380.672VTO
단위PMOSFETNMOSFET모델 파라미터
21002.4 21025.7
71075.1 91032.8
81025.2 81025.2
V
sec/2 Vcm
V
V/1
m
m
V
mLW 2.1/20/ mLW 2/20/
SPICE MOSFET model
![Page 80: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/80.jpg)
Electronic Circuit 1 Ch-4
378
0.0E+0
1.0E-5
2.0E-5
3.0E-5
4.0E-5
5.0E-5
6.0E-5
0.0 1.0 2.0 3.0 4.0 5.0
-ID(A)
-VDS(V)
VGS=-1.2, -1.4, -1.6VVBS=0
0.0E+0
5.0E-5
1.0E-4
1.5E-4
2.0E-4
2.5E-4
3.0E-4
3.5E-4
4.0E-4
4.5E-4
0.0 1.0 2.0 3.0 4.0 5.0
ID(A)
VDS(V)
VGS=1, 1.2, 1.4VVBS=0
(a)
(b)
SPICE level 1 Dot: SPICE simulation, Solid: measurement (a) NMOSFET; W/L=20/1.2um (b)PMOSFET; W/L=20/2um
SPICE MOSFET model
![Page 81: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/81.jpg)
Electronic Circuit 1 Ch-4
379
DSTHGSoxnD VVVLWCI 1
21 2
MOSFET as an amplifier
Operate MOSFET in saturation region in an amplifier circuit(∵ both gm & ro are maximized in the saturation region )
![Page 82: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/82.jpg)
Electronic Circuit 1 Ch-4
380
DSTHGSoxnD VVVLWCI 1
21 2
_________2 D
oxnGS
Dm
ILWC
VIg
mBS
THm
BS
Dmb g
VVg
VIg
3.0~1.0:22 BSF V
______1
1
DS
Do V
Ir
___________ FBTH VV
◦ Small-signal model in Saturation region
![Page 83: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/83.jpg)
Electronic Circuit 1 Ch-4
381
◦ Small-signal equivalent circuit of NMOSFET
gsmg
D
G B
S
CGD
CGS
CGB
CSB
CDB
or1
bsmbg
the same small-signal equivalent circuit: the same in both PMOSFET & NMOSFET
![Page 84: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/84.jpg)
Electronic Circuit 1 Ch-4
382
◦ Small-signal equivalent circuit(等價回路) of MOSFET
gsmg
D
G BS
CGD
CGS
CGB
CSB
CDB
or1
bsmbg
◦ Junction capacitance
MJSWBD
MJBD
DB
PBV
PDCJSW
PBV
ADCJC
11
MJSWBS
MJBS
SB
PBV
PSCJSW
PBV
ASCJC
11
◦ Small-signal equivalent circuit of MOSFET
![Page 85: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/85.jpg)
Electronic Circuit 1 Ch-4
383
◦ gmb neglected⇒ T equivalent circuit
G B
gsmg
D
S
or1
bsmbg
gsmg
D
S
D
S
igG(ig=0)
ig=0G
The same terminal current
D
S
ig=0
D
S
G
T equivalent circuit
or1
gsmg
or1
gsmg
gsmg
or1
mg
si
or1
mg
CGD
si
◦ T equivalent circuit
![Page 86: HW #4 Chapter 4 (MOSFET Circuits)analog.postech.ac.kr/3.Class/1.Classes/14_331/CH04A.pdf · 2002. 5. 1. · HW #4: Chapter 4 (MOSFET Circuits) ElectronicCircuit1 Ch-4. ElectronicCircuit1](https://reader036.vdocuments.pub/reader036/viewer/2022071514/6134fb9cdfd10f4dd73c1444/html5/thumbnails/86.jpg)
Electronic Circuit 1 Ch-4
384