Lecture 17. Field Effect Transistor (FET) FET 1-1
|
|
- Karen Campbell
- 5 years ago
- Views:
Transcription
1 Lecture 17 Field Effect Transistor (FET) FET 1-1
2 Outline ntroduction to FET transistors Comparison with BJT transistors FET Types Construction and Operation of FET Characteristics Of FET Examples FET 1-2
3 ntroduction Field-effect means that an electric field is established by the charges present, which controls the conduction path of the output circuit without the need to direct contact between the controlling and controlled quantities FET is a voltage-controlled device while BJT is a current-controlled device FET operation depends on majority carriers (unipolar device) FET are more temperature stable than BJT FET are smaller than BJT (FET occupies less area) FET exhibits high input resistance FET 1-3
4 Types of Field Effect Transistors Junction Field-Effect Transistor (JFET) Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET) FET 1-4
5 JUNCTON FEL EFFECT TRANSSTOR (JFET) FET 1-5
6 Construction of JFET FET 1-6
7 Characteristics of JFET By applying voltage at the JFET s terminal ( GS = 0 and S = +ve values), some characteristic can be obtained For the n-type material, electrons will be attracted to the positive terminal of S For the p-type material at gate, holes will be attracted to the negative terminal and further away from the positive terminal of S As for that, depletion region will become larger between the n-type and p-type materials Resistance will increase due to narrowing channel FET 1-7
8 Characteristics of JFET When the +ve value of S is increased, the depletion regions will become larger and such that it seems to be touching each other and blocks the electron flows from source to drain The condition is called pinch-off and the voltage at that point is called pinch-off voltage ( P ) But in reality, a very small channel still exist and current can flow through it with a very high density the current ( ) is maintained at saturation level ( SS ) FET 1-8
9 Characteristics of JFET FET 1-9
10 Characteristics of JFET For GS < 0 : The characteristic obtained: FET 1-10
11 Transfer Characteristic of JFET Cut off at GS > p Note that at high levels of S the JFET reaches a breakdown situation. increases uncontrollably if S > Smax FET 1-11
12 Transfer Characteristic of JFET The linear equation just like in BJT characteristic cannot be applied However, Shockley s equation can be applied for that region resulting in: Output Current where nput voltage SS : current drain to source at certain applied voltage at gate SS : current drain to source at saturation level ( GS = 0 ) GS : voltage from gate to source P : pinch-off voltage 1 GS P 2 FET 1-12
13 Plotting Shockley s Equation GS and points can be plotted using this table: GS 0 SS 0.3 P SS /2 0.5 P SS /4 P 0 SS 1 GS P 2 FET 1-13
14 Example (1) Sketch the JFET transfer curve defined by SS = 12 ma and P = -6 Obtain the four plot points: GS 0 12 ma ma -3 3 ma -6 0 FET 1-14
15 Example (1) cont d Plotting and sketching FET 1-15
16 n-channel JFET Symbols For n-channel JFET: G 0 S SS 1 GS P 2 FET 1-16
17 Fixed-Bias Configuration Recall back from BJT s topic, for fixedbias configuration emitter terminal is grounded. Same for FET s fixed-bias configuration: FET 1-17
18 Example (2) etermine: GSQ, Q S,, G, S When G = 0, G = -2 ue to source terminal is grounded, so S = 0 GS can be obtained: GS G S SS 1 GS P 2 10 m mA FET 1-18
19 Example (2) cont d FET 1-19 For S : S S S k m R
20 Self-Bias Configuration Self-bias configuration was introduced to eliminate the need for 2 C supplies and a resistor was added at source terminal FET 1-20
21 Example (3) etermine: S GS GSQ, Q, S,, G, S S 1k G R S S S S 1k 0 1k 1k GS 1k SS 1 8m 1 P m FET 1-21
22 Example (3) cont d Solving the equation, we get: b b 4ac 2a ma and ma ( 3.67) 2(222.24) 4(222.24)(8m) = 2.58 ma is taken due to = ma is out of range because the maximum value of is SS which is 8 ma When the value of has been obtained, all other values can be calculated easily 2 FET 1-22
23 Example (3) cont d Using the graphical approach to get the Shockley s curve: GS 0 SS = 8 ma 0.3 P = -1.8 SS /2 = 4 ma 0.5 P = -3 SS /4 = 2 ma P = -6 0 ma From the circuit, equation of GS is: Take two points for plotting: f = 0 A, GS = 0 (0,0) f = 4 ma, GS = -4 (-4,4m) GS 1k FET 1-23
24 Example (3) cont d Shockley s curve: GS equation from the circuit: GS 1k FET 1-24
25 Example (3) cont d Combining the Shockley s curve and GS equation of the circuit: The Q-point is at = 2.6 ma which is very close to the value of obtained by using mathematical approach All other values can be obtained just as the same as in mathematical approach FET 1-25
26 p-channel JFET The device: The characteristic: FET 1-26
27 Lecture Summary Covered material ntroduction to FET transistors Comparison with BJT transistors Types of FET Construction and Operation of FET Characteristics Of FET Examples Material to be covered next lecture ntroduction to MOSFET Types epletion-type Enhancement-type FET 1-27
Lecture 14. Field Effect Transistor (FET) Sunday 26/11/2017 FET 1-1
Lecture 14 Field Effect Transistor (FET) Sunday 26/11/2017 FET 1-1 Outline Introduction to FET transistors Types of FET Transistors Junction Field Effect Transistor (JFET) Characteristics Construction
More informationLecture 13. Metal Oxide Semiconductor Field Effect Transistor (MOSFET) MOSFET 1-1
Lecture 13 Metal Oxide Semiconductor Field Effect Transistor (MOSFET) MOSFET 1-1 Outline Continue MOSFET Qualitative Operation epletion-type MOSFET Characteristics Biasing Circuits and Examples Enhancement-type
More informationLecture 15. Field Effect Transistor (FET) Wednesday 29/11/2017 MOSFET 1-1
Lecture 15 Field Effect Transistor (FET) Wednesday 29/11/2017 MOSFET 1-1 Outline MOSFET transistors Introduction to MOSFET MOSFET Types epletion-type MOSFET Characteristics Comparison between JFET and
More informationField Effect Transistor (FET) FET 1-1
Field Effect Transistor (FET) FET 1-1 Outline MOSFET transistors ntroduction to MOSFET MOSFET Types epletion-type MOSFET Characteristics Biasing Circuits and Examples Comparison between JFET and epletion-type
More informationLecture 18. MOSFET (cont d) MOSFET 1-1
Lecture 18 MOSFET (cont d) MOSFET 1-1 Outline Continue Enhancement-type MOSFET (E- MOSFET) Characteristics C Biasing Circuits and Examples MOSFET 1- E-MOSFET (Quick Review) MOSFET is also known as nsulated-gate
More informationField-Effect Transistor
Philadelphia University Faculty of Engineering Communication and Electronics Engineering Field-Effect Transistor Introduction FETs (Field-Effect Transistors) are much like BJTs (Bipolar Junction Transistors).
More informationLecture 20. MOSFET (cont d) MOSFET 1-1
Lecture 0 MOSFET (cont d) MOSFET 1-1 Outline Continue Enhancement-type MOSFET (E- MOSFET) Characteristics C Biasing Circuits and Examples MOSFET 1- Test Yourself Complete the following statements with
More informationIENGINEERS-CONSULTANTS QUESTION BANK SERIES ELECTRONICS ENGINEERING 1 YEAR UPTU ELECTRONICS ENGINEERING EC 101 UNIT 3 (JFET AND MOSFET)
ELECTRONICS ENGINEERING EC 101 UNIT 3 (JFET AND MOSFET) LONG QUESTIONS (10 MARKS) 1. Draw the construction diagram and explain the working of P-Channel JFET. Also draw the characteristics curve and transfer
More informationTHE JFET. Script. Discuss the JFET and how it differs from the BJT. Describe the basic structure of n-channel and p -channel JFETs
Course: B.Sc. Applied Physical Science (Computer Science) Year & Sem.: Ist Year, Sem - IInd Subject: Electronics Paper No.: V Paper Title: Analog Circuits Lecture No.: 12 Lecture Title: Analog Circuits
More informationElectronics I. Last Time
(Rev. 1.0) Electronics I Lecture 28 Introduction to Field Effect Transistors (FET s) Muhammad Tilal Department of Electrical Engineering CIIT Attock Campus The logo and is the property of CIIT, Pakistan
More informationLecture 16. MOSFET (cont d) Sunday 3/12/2017 MOSFET 1-1
Lecture 16 MOSFET (cont d) Sunday 3/1/017 MOSFET 1-1 Outline Continue Enhancement-type MOSFET Characteristics C Biasing Circuits and Examples ntroduction to BJT-FET Combination Circuits Combination of
More information6. Field-Effect Transistor
6. Outline: Introduction to three types of FET: JFET MOSFET & CMOS MESFET Constructions, Characteristics & Transfer curves of: JFET & MOSFET Introduction The field-effect transistor (FET) is a threeterminal
More information(a) Current-controlled and (b) voltage-controlled amplifiers.
Fig. 6.1 (a) Current-controlled and (b) voltage-controlled amplifiers. Fig. 6.2 Drs. Ian Munro Ross (front) and G. C. Dacey jointly developed an experimental procedure for measuring the characteristics
More informationUnit III FET and its Applications. 2 Marks Questions and Answers
Unit III FET and its Applications 2 Marks Questions and Answers 1. Why do you call FET as field effect transistor? The name field effect is derived from the fact that the current is controlled by an electric
More informationFET(Field Effect Transistor)
Field Effect Transistor: Construction and Characteristic of JFETs. Transfer Characteristic. CS,CD,CG amplifier and analysis of CS amplifier MOSFET (Depletion and Enhancement) Type, Transfer Characteristic,
More informationCHAPTER 8 FIELD EFFECT TRANSISTOR (FETs)
CHAPTER 8 FIELD EFFECT TRANSISTOR (FETs) INTRODUCTION - FETs are voltage controlled devices as opposed to BJT which are current controlled. - There are two types of FETs. o Junction FET (JFET) o Metal
More informationFIELD EFFECT TRANSISTOR (FET) 1. JUNCTION FIELD EFFECT TRANSISTOR (JFET)
FIELD EFFECT TRANSISTOR (FET) The field-effect transistor (FET) is a three-terminal device used for a variety of applications that match, to a large extent, those of the BJT transistor. Although there
More informationChapter 7: FET Biasing
Chapter 7: FET Biasing slamic University of Gaza r. Talal Skaik Basic Current elationships For all FETs: G 0A S For JFETS and -Type MOSFETs: SS 1 P For E-Type MOSFETs: k( T ) Electronic evices and Circuit
More informationKOM2751 Analog Electronics :: Dr. Muharrem Mercimek :: YTU - Control and Automation Dept. 1 6 FIELD-EFFECT TRANSISTORS
KOM2751 Analog Electronics :: Dr. Muharrem Mercimek :: YTU - Control and Automation Dept. 1 6 FIELD-EFFECT TRANSISTORS Most of the content is from the textbook: Electronic devices and circuit theory, Robert
More informationUNIT 3: FIELD EFFECT TRANSISTORS
FIELD EFFECT TRANSISTOR: UNIT 3: FIELD EFFECT TRANSISTORS The field effect transistor is a semiconductor device, which depends for its operation on the control of current by an electric field. There are
More informationField - Effect Transistor
Page 1 of 6 Field - Effect Transistor Aim :- To draw and study the out put and transfer characteristics of the given FET and to determine its parameters. Apparatus :- FET, two variable power supplies,
More informationChapter 8. Field Effect Transistor
Chapter 8. Field Effect Transistor Field Effect Transistor: The field effect transistor is a semiconductor device, which depends for its operation on the control of current by an electric field. There
More informationITT Technical Institute. ET215 Devices 1. Unit 7 Chapter 4, Sections
ITT Technical Institute ET215 Devices 1 Unit 7 Chapter 4, Sections 4.1 4.3 Chapter 4 Section 4.1 Structure of Field-Effect Transistors Recall that the BJT is a current-controlling device; the field-effect
More informationFET. FET (field-effect transistor) JFET. Prepared by Engr. JP Timola Reference: Electronic Devices by Floyd
FET Prepared by Engr. JP Timola Reference: Electronic Devices by Floyd FET (field-effect transistor) unipolar devices - unlike BJTs that use both electron and hole current, they operate only with one type
More informationField-Effect Transistor
Module: Electronics Module Number: 610/6501- Philadelphia University Faculty of Engineering Communication and Electronics Engineering Field-Effect Transistor ntroduction FETs (Field-Effect Transistors)
More informationLecture - 18 Transistors
Electronic Materials, Devices and Fabrication Dr. S. Prarasuraman Department of Metallurgical and Materials Engineering Indian Institute of Technology, Madras Lecture - 18 Transistors Last couple of classes
More informationSummary. Electronics II Lecture 5(b): Metal-Oxide Si FET MOSFET. A/Lectr. Khalid Shakir Dept. Of Electrical Engineering
Summary Electronics II Lecture 5(b): Metal-Oxide Si FET MOSFET A/Lectr. Khalid Shakir Dept. Of Electrical Engineering College of Engineering Maysan University Page 1-21 Summary The MOSFET The metal oxide
More informationKOM2751 Analog Electronics :: Dr. Muharrem Mercimek :: YTU - Control and Automation Dept. 1 7 DC BIASING FETS
KOM751 Analog Electronics :: Dr. Muharrem Mercimek :: YTU Control and Automation Dept. 1 7 DC BIASING FETS Most of the content is from the textbook: Electronic devices and circuit theory, Robert L. Boylestad,
More informationEIE209 Basic Electronics. Transistor Devices. Contents BJT and FET Characteristics Operations. Prof. C.K. Tse: T ransistor devices
EIE209 Basic Electronics Transistor Devices Contents BJT and FET Characteristics Operations 1 What is a transistor? Three-terminal device whose voltage-current relationship is controlled by a third voltage
More informationKOREA UNIVERSITY. Photonics Laboratory. Ch 15. Field effect Introduction-The J-FET and MESFET
Ch 15. Field effect Introduction-The J-FET and MESFET : (a) The device worked on the principle that a voltage applied to the metallic plate modulated the conductance of the underlying semiconductor, which
More informationI E I C since I B is very small
Figure 2: Symbols and nomenclature of a (a) npn and (b) pnp transistor. The BJT consists of three regions, emitter, base, and collector. The emitter and collector are usually of one type of doping, while
More informationThree Terminal Devices
Three Terminal Devices - field effect transistor (FET) - bipolar junction transistor (BJT) - foundation on which modern electronics is built - active devices - devices described completely by considering
More informationUNIT 4 BIASING AND STABILIZATION
UNIT 4 BIASING AND STABILIZATION TRANSISTOR BIASING: To operate the transistor in the desired region, we have to apply external dec voltages of correct polarity and magnitude to the two junctions of the
More informationINTRODUCTION: Basic operating principle of a MOSFET:
INTRODUCTION: Along with the Junction Field Effect Transistor (JFET), there is another type of Field Effect Transistor available whose Gate input is electrically insulated from the main current carrying
More informationChapter 6: Field-Effect Transistors
Chapter 6: Field-Effect Transistors FETs vs. BJTs Similarities: Amplifiers Switching devices Impedance matching circuits Differences: FETs are voltage controlled devices. BJTs are current controlled devices.
More informationEDC UNIT IV- Transistor and FET JFET Characteristics EDC Lesson 4- ", Raj Kamal, 1
EDC UNIT IV- Transistor and FET Characteristics Lesson-10: JFET Characteristics Qualitative Discussion 2008 EDC Lesson 4- ", Raj Kamal, 1 n-junction FET and p-jfet Symbols D D + D G + V DS V DS V GS S
More informationBasic Electronics Prof. Dr. Chitralekha Mahanta Department of Electronics and Communication Engineering Indian Institute of Technology, Guwahati
Basic Electronics Prof. Dr. Chitralekha Mahanta Department of Electronics and Communication Engineering Indian Institute of Technology, Guwahati Module: 3 Field Effect Transistors Lecture-7 High Frequency
More informationElectronic Circuits. Junction Field-effect Transistors. Dr. Manar Mohaisen Office: F208 Department of EECE
Electronic Circuits Junction Field-effect Transistors Dr. Manar Mohaisen Office: F208 Email: manar.subhi@kut.ac.kr Department of EECE Review of the Precedent Lecture Explain the Operation Class A Power
More informationFIELD EFFECT TRANSISTORS MADE BY : GROUP (13)/PM
FIELD EFFECT TRANSISTORS MADE BY : GROUP (13)/PM THE FIELD EFFECT TRANSISTOR (FET) In 1945, Shockley had an idea for making a solid state device out of semiconductors. He reasoned that a strong electrical
More informationFET. Field Effect Transistors ELEKTRONIKA KONTROL. Eka Maulana, ST, MT, M.Eng. Universitas Brawijaya. p + S n n-channel. Gate. Basic structure.
FET Field Effect Transistors ELEKTRONIKA KONTROL Basic structure Gate G Source S n n-channel Cross section p + p + p + G Depletion region Drain D Eka Maulana, ST, MT, M.Eng. Universitas Brawijaya S Channel
More informationChapter 5: Field Effect Transistors
Chapter 5: Field Effect Transistors Slide 1 FET FET s (Field Effect Transistors) are much like BJT s (Bipolar Junction Transistors). Similarities: Amplifiers Switching devices Impedance matching circuits
More informationFIELD EFFECT TRANSISTORS
FIELD EFFECT TRANSISTORS Module 5 Introduction Symbol Features: 1. Voltage is applied across gate and source terminals. This voltage controls the drain current. Hence FET is a voltage controlled device.
More informationField Effect Transistors
Chapter 5: Field Effect Transistors Slide 1 FET FET s (Field Effect Transistors) are much like BJT s (Bipolar Junction Transistors). Similarities: Amplifiers Switching devices Impedance matching circuits
More informationEDC UNIT IV- Transistor and FET Characteristics EDC Lesson 9- ", Raj Kamal, 1
EDC UNIT IV- Transistor and FET Characteristics Lesson-9: JFET and Construction of JFET 2008 EDC Lesson 9- ", Raj Kamal, 1 1. Transistor 2008 EDC Lesson 9- ", Raj Kamal, 2 Transistor Definition The transferred-resistance
More informationEE70 - Intro. Electronics
EE70 - Intro. Electronics Course website: ~/classes/ee70/fall05 Today s class agenda (November 28, 2005) review Serial/parallel resonant circuits Diode Field Effect Transistor (FET) f 0 = Qs = Qs = 1 2π
More informationDepletion-mode operation ( 공핍형 ): Using an input gate voltage to effectively decrease the channel size of an FET
Ch. 13 MOSFET Metal-Oxide-Semiconductor Field-Effect Transistor : I D D-mode E-mode V g The gate oxide is made of dielectric SiO 2 with e = 3.9 Depletion-mode operation ( 공핍형 ): Using an input gate voltage
More informationGBN GOVT.POLYTECHNIC NILOKHERI BASICS OF ELECTRONICS PREPARED BY VISITING FACULTIES
GBN GOVT.POLYTECHNIC NILOKHERI BASICS OF ELECTRONICS PREPARED BY VISITING FACULTIES FIELD EFECT TRANSISTER INTRODUCTION: There are two types of field-effect transistors, the Junction Field-Effe t T a sisto
More informationField-Effect Transistor (FET) is one of the two major transistors; FET derives its name from its working mechanism;
Chapter 3 Field-Effect Transistors (FETs) 3.1 Introduction Field-Effect Transistor (FET) is one of the two major transistors; FET derives its name from its working mechanism; The concept has been known
More informationBasic Electronics Prof. Dr. Chitralekha Mahanta Department of Electronics and Communication Engineering Indian Institute of Technology, Guwahati
Basic Electronics Prof. Dr. Chitralekha Mahanta Department of Electronics and Communication Engineering Indian Institute of Technology, Guwahati Module: 3 Field Effect Transistors Lecture-8 Junction Field
More informationChapter 6: Field-Effect Transistors
Chapter 6: Field-Effect Transistors Islamic University of Gaza Dr. Talal Skaik MOSFETs MOSFETs have characteristics similar to JFETs and additional characteristics that make then very useful. There are
More informationElectronic Circuits II - Revision
Electronic Circuits II - Revision -1 / 16 - T & F # 1 A bypass capacitor in a CE amplifier decreases the voltage gain. 2 If RC in a CE amplifier is increased, the voltage gain is reduced. 3 4 5 The load
More informationBJT Amplifier. Superposition principle (linear amplifier)
BJT Amplifier Two types analysis DC analysis Applied DC voltage source AC analysis Time varying signal source Superposition principle (linear amplifier) The response of a linear amplifier circuit excited
More informationUNIT I - TRANSISTOR BIAS STABILITY
UNIT I - TRANSISTOR BIAS STABILITY OBJECTIVE On the completion of this unit the student will understand NEED OF BIASING CONCEPTS OF LOAD LINE Q-POINT AND ITS STABILIZATION AND COMPENSATION DIFFERENT TYPES
More informationQuestions on JFET: 1) Which of the following component is a unipolar device?
Questions on JFET: 1) Which of the following component is a unipolar device? a) BJT b) FET c) DJT d) EFT 2) Current Conduction in FET takes place due e) Majority charge carriers only f) Minority charge
More informationLecture 17. Small AC Signal Model of FET. Wednesday 6/12/2017 FET Small AC Signal Model 1-1
Lecture 17 Sall AC Signal Model of FET Wednesday 6/12/2017 FET Sall AC Signal Model 1-1 Outline Sall AC Signal Equivalent Circuits for FETs Aplifier Circuits Exaples Introduction to Power Electronics Power
More informationFrequently Asked Questions
Course: B.Sc. Applied Physical Science (Computer Science) Year & Sem.: Ist Year, Sem - IInd Subject: Electronics Paper No.: V Paper Title: Analog Circuits Lecture No.: 13 Lecture Title: Analog Circuits
More informationMEASUREMENT AND INSTRUMENTATION STUDY NOTES UNIT-I
MEASUREMENT AND INSTRUMENTATION STUDY NOTES The MOSFET The MOSFET Metal Oxide FET UNIT-I As well as the Junction Field Effect Transistor (JFET), there is another type of Field Effect Transistor available
More informationMODULE-2: Field Effect Transistors (FET)
FORMAT-1B Definition: MODULE-2: Field Effect Transistors (FET) FET is a three terminal electronic device used for variety of applications that match with BJT. In FET, an electric field is established by
More informationFederal Urdu University of Arts, Science & Technology Islamabad Pakistan THIRD SEMESTER ELECTRONICS - II BASIC ELECTRICAL & ELECTRONICS LAB
THIRD SEMESTER ELECTRONICS - II BASIC ELECTRICAL & ELECTRONICS LAB DEPARTMENT OF ELECTRICAL ENGINEERING Prepared By: Checked By: Approved By: Engr. Saqib Riaz Engr. M.Nasim Khan Dr.Noman Jafri Lecturer
More informationUNIT-VI FIELD EFFECT TRANSISTOR. 1. Explain about the Field Effect Transistor and also mention types of FET s.
UNIT-I FIELD EFFECT TRANSISTOR 1. Explain about the Field Effect Transistor and also mention types of FET s. The Field Effect Transistor, or simply FET however, uses the voltage that is applied to their
More informationAnalog Electronics. Electronic Devices, 9th edition Thomas L. Floyd Pearson Education. Upper Saddle River, NJ, All rights reserved.
Analog Electronics BJT Structure The BJT has three regions called the emitter, base, and collector. Between the regions are junctions as indicated. The base is a thin lightly doped region compared to the
More informationDigital Electronics. By: FARHAD FARADJI, Ph.D. Assistant Professor, Electrical and Computer Engineering, K. N. Toosi University of Technology
K. N. Toosi University of Technology Chapter 7. Field-Effect Transistors By: FARHAD FARADJI, Ph.D. Assistant Professor, Electrical and Computer Engineering, K. N. Toosi University of Technology http://wp.kntu.ac.ir/faradji/digitalelectronics.htm
More informationTRANSISTOR TRANSISTOR
It is made up of semiconductor material such as Si and Ge. Usually, it comprises of three terminals namely, base, emitter and collector for providing connection to the external circuit. Today, some transistors
More informationL MOSFETS, IDENTIFICATION, CURVES. PAGE 1. I. Review of JFET (DRAW symbol for n-channel type, with grounded source)
L.107.4 MOSFETS, IDENTIFICATION, CURVES. PAGE 1 I. Review of JFET (DRAW symbol for n-channel type, with grounded source) 1. "normally on" device A. current from source to drain when V G = 0 no need to
More informationQ1. Explain the construction and principle of operation of N-Channel and P-Channel Junction Field Effect Transistor (JFET).
Q. Explain the construction and principle of operation of N-Channel and P-Channel Junction Field Effect Transistor (JFET). Answer: N-Channel Junction Field Effect Transistor (JFET) Construction: Drain(D)
More informationECE 440 Lecture 29 : Introduction to the BJT-I Class Outline:
ECE 440 Lecture 29 : Introduction to the BJT-I Class Outline: Narrow-Base Diode BJT Fundamentals BJT Amplification Things you should know when you leave Key Questions How does the narrow-base diode multiply
More informationChapter 7: FET Biasing
Chapter 7: FET Biasing Common FET Biasing Circuits JFET Biasing Circuits Fixed Bias Self-Bias oltage-ivider Bias -Type MOSFET Biasing Circuits Self-Bias oltage-ivider Bias E-Type MOSFET Biasing Circuits
More information55:041 Electronic Circuits
55:041 Electronic Circuits MOSFETs Sections of Chapter 3 &4 A. Kruger MOSFETs, Page-1 Basic Structure of MOS Capacitor Sect. 3.1 Width = 1 10-6 m or less Thickness = 50 10-9 m or less ` MOS Metal-Oxide-Semiconductor
More informationAnalog Electronics Circuits FET small signal Analysis. Nagamani A N. Lecturer, PESIT, Bangalore 85. FET small signal Analysis
Analog Electronics Circuits FET small signal Analysis Nagamani A N Lecturer, PESIT, Bangalore 85 Email nagamani@pes.edu FET small signal Analysis FET introduction and working principles FET small signal
More informationLecture (03) The JFET
Lecture (03) The JFET By: Dr. Ahmed ElShafee ١ JFET Basic Structure Figure shows the basic structure of an n channel JFET (junction field effect transistor). Wire leads are connected to each end of the
More informationBasic Electronics. Introductory Lecture Course for. Technology and Instrumentation in Particle Physics Chicago, Illinois June 9-14, 2011
Basic Electronics Introductory Lecture Course for Technology and Instrumentation in Particle Physics 2011 Chicago, Illinois June 9-14, 2011 Presented By Gary Drake Argonne National Laboratory Session 3
More information55:041 Electronic Circuits
55:041 Electronic Circuits Mosfet Review Sections of Chapter 3 &4 A. Kruger Mosfet Review, Page-1 Basic Structure of MOS Capacitor Sect. 3.1 Width 1 10-6 m or less Thickness 50 10-9 m or less ` MOS Metal-Oxide-Semiconductor
More informationPhy 335, Unit 4 Transistors and transistor circuits (part one)
Mini-lecture topics (multiple lectures): Phy 335, Unit 4 Transistors and transistor circuits (part one) p-n junctions re-visited How does a bipolar transistor works; analogy with a valve Basic circuit
More informationFigure 1: JFET common-source amplifier. A v = V ds V gs
Chapter 7: FET Amplifiers Switching and Circuits The Common-Source Amplifier In a common-source (CS) amplifier, the input signal is applied to the gate and the output signal is taken from the drain. The
More informationLesson 5. Electronics: Semiconductors Doping p-n Junction Diode Half Wave and Full Wave Rectification Introduction to Transistors-
Lesson 5 Electronics: Semiconductors Doping p-n Junction Diode Half Wave and Full Wave Rectification Introduction to Transistors- Types and Connections Semiconductors Semiconductors If there are many free
More informationECE 340 Lecture 40 : MOSFET I
ECE 340 Lecture 40 : MOSFET I Class Outline: MOS Capacitance-Voltage Analysis MOSFET - Output Characteristics MOSFET - Transfer Characteristics Things you should know when you leave Key Questions How do
More informationCOLLECTOR DRAIN BASE GATE EMITTER. Applying a voltage to the Gate connection allows current to flow between the Drain and Source connections.
MOSFETS Although the base current in a transistor is usually small (< 0.1 ma), some input devices (e.g. a crystal microphone) may be limited in their output. In order to overcome this, a Field Effect Transistor
More informationLecture 3: Transistors
Lecture 3: Transistors Now that we know about diodes, let s put two of them together, as follows: collector base emitter n p n moderately doped lightly doped, and very thin heavily doped At first glance,
More informationEE 5611 Introduction to Microelectronic Technologies Fall Thursday, September 04, 2014 Lecture 02
EE 5611 Introduction to Microelectronic Technologies Fall 2014 Thursday, September 04, 2014 Lecture 02 1 Lecture Outline Review on semiconductor materials Review on microelectronic devices Example of microelectronic
More informationDifference between BJTs and FETs. Junction Field Effect Transistors (JFET)
Difference between BJTs and FETs Transistors can be categorized according to their structure, and two of the more commonly known transistor structures, are the BJT and FET. The comparison between BJTs
More informationField Effect Transistors (npn)
Field Effect Transistors (npn) gate drain source FET 3 terminal device channel e - current from source to drain controlled by the electric field generated by the gate base collector emitter BJT 3 terminal
More informationUNIT 3 Transistors JFET
UNIT 3 Transistors JFET Mosfet Definition of BJT A bipolar junction transistor is a three terminal semiconductor device consisting of two p-n junctions which is able to amplify or magnify a signal. It
More informationReg. No. : Question Paper Code : B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER Second Semester
WK 5 Reg. No. : Question Paper Code : 27184 B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2015. Time : Three hours Second Semester Electronics and Communication Engineering EC 6201 ELECTRONIC DEVICES
More informationITT Technical Institute. ET215 Devices 1. Unit 8 Chapter 4, Sections
ITT Technical Institute ET215 Devices 1 Unit 8 Chapter 4, Sections 4.4 4.5 Chapter 4 Section 4.4 MOSFET Characteristics A Metal-Oxide semiconductor field-effect transistor is the other major category of
More informationDesign cycle for MEMS
Design cycle for MEMS Design cycle for ICs IC Process Selection nmos CMOS BiCMOS ECL for logic for I/O and driver circuit for critical high speed parts of the system The Real Estate of a Wafer MOS Transistor
More informationIFB270 Advanced Electronic Circuits
IFB270 Advanced Electronic Circuits Chapter 9: FET amplifiers and switching circuits Prof. Manar Mohaisen Department of EEC Engineering Review of the Precedent Lecture Review of basic electronic devices
More informationLecture 24: Bipolar Junction Transistors (1) Bipolar Junction Structure, Operating Regions, Biasing
Lecture 24: Bipolar Junction Transistors (1) Bipolar Junction Structure, Operating Regions, Biasing BJT Structure the BJT is formed by doping three semiconductor regions (emitter, base, and collector)
More informationLab 5: FET circuits. 5.1 FET Characteristics
Lab 5: FET circuits Reading: The Art of Electronics (TAOE) Section 3.01 3.10, FET s, followers, and current sources. Specifically look at information relevant to today s lab: follower, current source,
More informationExperiment No: 5. JFET Characteristics
Experiment No: 5 JFET Characteristics Aim: 1. To study Drain Characteristics and Transfer Characteristics of a Junction Field Effect Transistor (JFET). 2. To measure drain resistance, trans-conductance
More informationTHE METAL-SEMICONDUCTOR CONTACT
THE METAL-SEMICONDUCTOR CONTACT PROBLEM 1 To calculate the theoretical barrier height, built-in potential barrier, and maximum electric field in a metal-semiconductor diode for zero applied bias. Consider
More information5.1 Introduction. transistor. Like the bipolar junction transistors (BJTs) we studied in Chapter 4,
5.1 Introduction In this chapter we introduce the second major type of transistor: the field-effect transistor. Like the bipolar junction transistors (BJTs) we studied in Chapter 4, field-effect transistors
More informationUNIVERSITY OF CALIFORNIA AT BERKELEY College of Engineering Department of Electrical Engineering and Computer Sciences.
UNIVERSITY OF CALIFORNIA AT BERKELEY College of Engineering Department of Electrical Engineering and Computer Sciences Discussion #9 EE 05 Spring 2008 Prof. u MOSFETs The standard MOSFET structure is shown
More informationLecture (09) The JFET (2)
Lecture (09) The JFET (2) By: r. Ahmed Elhafee ١ V Controls I connect a bias voltage, V V is set to increasingly more negative values by adjusting V, a family of drain characteristic curves is produced.
More informationStudent Lecture by: Giangiacomo Groppi Joel Cassell Pierre Berthelot September 28 th 2004
Student Lecture by: Giangiacomo Groppi Joel Cassell Pierre Berthelot September 28 th 2004 Lecture outline Historical introduction Semiconductor devices overview Bipolar Junction Transistor (BJT) Field
More informationMechatronics and Measurement. Lecturer:Dung-An Wang Lecture 2
Mechatronics and Measurement Lecturer:Dung-An Wang Lecture 2 Lecture outline Reading:Ch3 of text Today s lecture Semiconductor 2 Diode 3 4 Zener diode Voltage-regulator diodes. This family of diodes exhibits
More informationElectronics 1 Lab (CME 2410) School of Informatics & Computing German Jordanian University Laboratory Experiment (10) Junction FETs
Electronics 1 Lab (CME 2410) School of Informatics & Computing German Jordanian University Laboratory Experiment (10) 1. Objective: Junction FETs - the operation of a junction field-effect transistor (J-FET)
More informationProf. Paolo Colantonio a.a
Prof. Paolo Colantonio a.a. 20 2 Field effect transistors (FETs) are probably the simplest form of transistor, widely used in both analogue and digital applications They are characterised by a very high
More informationIntro to Electricity. Introduction to Transistors. Example Circuit Diagrams. Water Analogy
Introduction to Transistors Transistors form the basic building blocks of all computer hardware. Invented by William Shockley, John Bardeen and Walter Brattain in 1947, replacing previous vaccuumtube technology
More informationECE520 VLSI Design. Lecture 2: Basic MOS Physics. Payman Zarkesh-Ha
ECE520 VLSI Design Lecture 2: Basic MOS Physics Payman Zarkesh-Ha Office: ECE Bldg. 230B Office hours: Wednesday 2:00-3:00PM or by appointment E-mail: pzarkesh@unm.edu Slide: 1 Review of Last Lecture Semiconductor
More informationField Effect Transistors
Field Effect Transistors LECTURE NO. - 41 Field Effect Transistors www.mycsvtunotes.in JFET MOSFET CMOS Field Effect transistors - FETs First, why are we using still another transistor? BJTs had a small
More information