IENGINEERS-CONSULTANTS QUESTION BANK SERIES ELECTRONICS ENGINEERING 1 YEAR UPTU ELECTRONICS ENGINEERING EC 101 UNIT 3 (JFET AND MOSFET)

Size: px
Start display at page:

Download "IENGINEERS-CONSULTANTS QUESTION BANK SERIES ELECTRONICS ENGINEERING 1 YEAR UPTU ELECTRONICS ENGINEERING EC 101 UNIT 3 (JFET AND MOSFET)"

Transcription

1 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 characteristics. 2. Sketch the structure of P-Channel Depletion Type MOSFET and explain its principle of operation with neat diagram. Also sketch its V-I Characteristics and circuit symbols for it. 3. Describe the construction and operation of a MOSFET in Enhancement mode. Draw its characteristics and equivalent circuit of the device. 4. Draw and explain the Voltage Divider Bias Configuration of JFET. 5. Determine V GS, I D, V DS, V D, V G and V s for the circuit shown in Fig 1. Fig.:1 6. Draw the structure of an n-channel JFET and explain it s principle of operation. Also draw it s drain and transfer characteristics with the help of suitable circuit. 7. Determine the following: (i) I DQ (ii)v gsq (iii) V D (iv) V S (v) V DS (for Fig.:2) Page 1

2 Fig.:2 8. Explain construction and working of CMOS. 9. What is the significance of the threshold voltage V T in: (i) Depletion mode, (ii) Enhancement mode MOSFET. 10. Determine the following: (i) I DQ (ii)v gsq (iii) V D (iv) V S (v) V DS (vi)v DG (for Fig.:3) Fig.:3 Page 2

3 MEDIUM QUESTION (5 MARKS) 1. How an FET can be used as a voltage controlled resistor? 2. What is the major difference between a bipolar and an unipolar device? Explain with example. 3. Explain the difference between JFET and MOSFET. 4. The pinch-off voltage of a p-channel JFET is V p = 5V and the drain-to-source current I DSS = -40mA. The vaolue of drain to source Voltage V DS is such that the transistor is operating in the saturated region, the drain current I D = -15mA. Determine the gate to source voltage V GS.. 5. Explain transistor as a switch. 6. For the common source FET amplifier with source resistance R S, derive the expression for voltage gain, input impedance and output impedance. (Fig.:4) Fig.:4 7. Explain Source Follower Configuration with the help of Suitable Circuit Diagram. Also give the various features of this configuration. 8. Can a depletion type MOSFET operate in Enhancement Mode? If yes, why and how, if no, Why? 9. Draw a small signal equivalent circuit of JFET amplifier in Common Source Configuration and Show that the voltage gain is A v =. where µis the amplification factor and r d is the drain resistance. 10. An n-channel having V p =-4V and I DSS = 10mA is used in the circuit of fig.: 5 Determine I D and V DS. Page 3

4 Fig.:5 11. Explain CMOS as an Inverter SMALL QUESTION (2 MARKS) 1) What are the advantages of FET over BJT? 2) Write the constructional difference between Depletion type and enhancement type MOSFET. 3) Explain pinch of voltage of FET. 4) Define drain resistance of FET. 5) Define Transconductance of FET. 6) Define amplification factor of FET. 7) Define Drain to source saturation current of JFET. 8) Write Shockley s Equation. 9) Why MOSFET is also called IGFET. 10) What are the effects of SiO 2 layer in MOSFET. 11) What is meant by Gate to Source Threshold Voltage in E-MOSFET. 12) Write down the application of JFET. 13) Sketch circuit symbols for a P-Channel Depletion Type MOSFET. 14) Sketch circuit symbols for a N-Channel Depletion Type MOSFET. 15) What is the need for biasing a transistor. 16) State the various configuration of JFET amplifier. Also draw the approximate AC equivalent Circuit. 17) Which one of the following has the highest input resistance (i) n-channel JFET (ii) P-channel MOSFET. Page 4

5 18) Which factors make the JFET superior to BJT. 19) Give the Classification of FET. 20) What is the significance of field effect in JFET. 21) Why the thickness of depletion layer is more towards the drain and less towards the source. 22) State the application of MOSFET. Page 5

(a) Current-controlled and (b) voltage-controlled amplifiers.

(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 information

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 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 information

Depletion-mode operation ( 공핍형 ): Using an input gate voltage to effectively decrease the channel size of an FET

Depletion-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 information

Lecture 17. Field Effect Transistor (FET) FET 1-1

Lecture 17. Field Effect Transistor (FET) FET 1-1 Lecture 17 Field Effect Transistor (FET) FET 1-1 Outline ntroduction to FET transistors Comparison with BJT transistors FET Types Construction and Operation of FET Characteristics Of FET Examples FET 1-2

More information

FET. FET (field-effect transistor) JFET. Prepared by Engr. JP Timola Reference: Electronic Devices by Floyd

FET. 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 information

6. Field-Effect Transistor

6. 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

UNIT I - TRANSISTOR BIAS STABILITY

UNIT 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 information

KOM2751 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 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 information

Gechstudentszone.wordpress.com

Gechstudentszone.wordpress.com UNIT 4: Small Signal Analysis of Amplifiers 4.1 Basic FET Amplifiers In the last chapter, we described the operation of the FET, in particular the MOSFET, and analyzed and designed the dc response of circuits

More information

Figure 1: JFET common-source amplifier. A v = V ds V gs

Figure 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 information

EDC UNIT IV- Transistor and FET Characteristics EDC Lesson 9- ", Raj Kamal, 1

EDC 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 information

UNIT-VI FIELD EFFECT TRANSISTOR. 1. Explain about the Field Effect Transistor and also mention types of FET s.

UNIT-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 information

Summary. 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 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 information

Three Terminal Devices

Three 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 information

Lecture 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 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 information

Chapter 8. Field Effect Transistor

Chapter 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 information

MODULE-2: Field Effect Transistors (FET)

MODULE-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 information

Field Effect Transistor (FET) FET 1-1

Field 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 information

Phy 335, Unit 4 Transistors and transistor circuits (part one)

Phy 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 information

Unit III FET and its Applications. 2 Marks Questions and Answers

Unit 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 information

Lecture 20. MOSFET (cont d) MOSFET 1-1

Lecture 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 information

FET(Field Effect Transistor)

FET(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 information

BJT Amplifier. Superposition principle (linear amplifier)

BJT 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 information

Prof. Paolo Colantonio a.a

Prof. 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 information

Chapter 5: Field Effect Transistors

Chapter 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 information

I E I C since I B is very small

I 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 information

Lecture 13. Metal Oxide Semiconductor Field Effect Transistor (MOSFET) MOSFET 1-1

Lecture 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 information

FIELD EFFECT TRANSISTOR (FET) 1. JUNCTION FIELD EFFECT TRANSISTOR (JFET)

FIELD 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 information

Microelectronics Circuit Analysis and Design

Microelectronics Circuit Analysis and Design Neamen Microelectronics Chapter 4-1 Microelectronics Circuit Analysis and Design Donald A. Neamen Chapter 4 Basic FET Amplifiers Neamen Microelectronics Chapter 4-2 In this chapter, we will: Investigate

More information

Field Effect Transistors

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 information

Field-Effect Transistor

Field-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 information

Basic 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 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 information

L MOSFETS, IDENTIFICATION, CURVES. PAGE 1. I. Review of JFET (DRAW symbol for n-channel type, with grounded source)

L 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 information

UNIT 3: FIELD EFFECT TRANSISTORS

UNIT 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 information

FET. 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. 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 information

Electronic PRINCIPLES

Electronic PRINCIPLES MALVINO & BATES Electronic PRINCIPLES SEVENTH EDITION Chapter 13 JFETs Topics Covered in Chapter 13 Basic ideas Drain curves Transconductance curve Biasing in the ohmic region Biasing in the active region

More information

CHAPTER 8 FIELD EFFECT TRANSISTOR (FETs)

CHAPTER 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 information

IFB270 Advanced Electronic Circuits

IFB270 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 information

Chapter 6: Field-Effect Transistors

Chapter 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 information

PESIT Bangalore South Campus

PESIT Bangalore South Campus INTERNAL ASSESSMENT TEST 2 Date : 19/09/2016 Max Marks: 40 Subject & Code : Analog and Digital Electronics (15CS32) Section: III A and B Name of faculty: Deepti.C Time : 8:30 am-10:00 am Note: Answer five

More information

Chapter 6: Field-Effect Transistors

Chapter 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 information

TRANSISTOR TRANSISTOR

TRANSISTOR 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 information

Basic 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 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 information

FIELD EFFECT TRANSISTORS

FIELD 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 information

INTRODUCTION: Basic operating principle of a MOSFET:

INTRODUCTION: 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 information

ITT Technical Institute. ET215 Devices 1. Unit 7 Chapter 4, Sections

ITT 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 information

Field-Effect Transistor (FET) is one of the two major transistors; FET derives its name from its working mechanism;

Field-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 information

Electronic Devices. Floyd. Chapter 9. Ninth Edition. Electronic Devices, 9th edition Thomas L. Floyd

Electronic Devices. Floyd. Chapter 9. Ninth Edition. Electronic Devices, 9th edition Thomas L. Floyd Electronic Devices Ninth Edition Floyd Chapter 9 The Common-Source Amplifier In a CS amplifier, the input signal is applied to the gate and the output signal is taken from the drain. The amplifier has

More information

Analog 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.  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 information

Electronics I. Last Time

Electronics 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 information

Introduction to MOSFET MOSFET (Metal Oxide Semiconductor Field Effect Transistor)

Introduction to MOSFET MOSFET (Metal Oxide Semiconductor Field Effect Transistor) Microelectronic Circuits Introduction to MOSFET MOSFET (Metal Oxide Semiconductor Field Effect Transistor) Slide 1 MOSFET Construction MOSFET (Metal Oxide Semiconductor Field Effect Transistor) Slide 2

More information

Federal Urdu University of Arts, Science & Technology Islamabad Pakistan THIRD SEMESTER ELECTRONICS - II BASIC ELECTRICAL & ELECTRONICS LAB

Federal 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 information

FIELD EFFECT TRANSISTORS MADE BY : GROUP (13)/PM

FIELD 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 information

ITT Technical Institute. ET215 Devices 1. Chapter

ITT Technical Institute. ET215 Devices 1. Chapter ITT Technical Institute ET215 Devices 1 Chapter 4.6 4.7 Chapter 4 Section 4.6 FET Linear Amplifiers Transconductance of FETs The output drain current is controlled by the input signal voltage. As we earlier

More information

SRM INSTITUTE OF SCIENCE AND TECHNOLOGY (DEEMED UNIVERSITY)

SRM INSTITUTE OF SCIENCE AND TECHNOLOGY (DEEMED UNIVERSITY) SRM INSTITUTE OF SCIENCE AND TECHNOLOGY (DEEMED UNIVERSITY) QUESTION BANK I YEAR B.Tech (II Semester) ELECTRONIC DEVICES (COMMON FOR EC102, EE104, IC108, BM106) UNIT-I PART-A 1. What are intrinsic and

More information

MEASUREMENT AND INSTRUMENTATION STUDY NOTES UNIT-I

MEASUREMENT 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 information

ITT Technical Institute. ET215 Devices 1. Unit 8 Chapter 4, Sections

ITT 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 information

Digital Electronics. By: FARHAD FARADJI, Ph.D. Assistant Professor, Electrical and Computer Engineering, K. N. Toosi University of Technology

Digital 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 information

EIE209 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. 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 information

Lecture 18. MOSFET (cont d) MOSFET 1-1

Lecture 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 information

Scheme I Sample. : Second : Basic. Electronics : 70. Marks. Time: 3 Hrs. 2] b) State any. e) State any. Figure Definition.

Scheme I Sample. : Second : Basic. Electronics : 70. Marks. Time: 3 Hrs. 2] b) State any. e) State any. Figure Definition. Program Name Program Code Semester Course Title Scheme I Sample Question Paper : Diploma in Electronics Program Group : DE/EJ/IE/IS/ET/EN/EX : Second : Basic Electronics : 70 22216 Time: 3 Hrs. Instructions:

More information

Electronic Circuits. Junction Field-effect Transistors. Dr. Manar Mohaisen Office: F208 Department of EECE

Electronic 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 information

Field-Effect Transistor

Field-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 information

Q1. Explain the construction and principle of operation of N-Channel and P-Channel Junction Field Effect Transistor (JFET).

Q1. 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 information

EE70 - Intro. Electronics

EE70 - 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 information

ES 330 Electronics II Homework # 2 (Fall 2016 Due Wednesday, September 7, 2016)

ES 330 Electronics II Homework # 2 (Fall 2016 Due Wednesday, September 7, 2016) Page1 Name ES 330 Electronics II Homework # 2 (Fall 2016 Due Wednesday, September 7, 2016) Problem 1 (15 points) You are given an NMOS amplifier with drain load resistor R D = 20 k. The DC voltage (V RD

More information

COLLECTOR DRAIN BASE GATE EMITTER. Applying a voltage to the Gate connection allows current to flow between the Drain and Source connections.

COLLECTOR 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 information

THE JFET. Script. Discuss the JFET and how it differs from the BJT. Describe the basic structure of n-channel and p -channel JFETs

THE 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 information

Analog Electronics. Electronic Devices, 9th edition Thomas L. Floyd Pearson Education. Upper Saddle River, NJ, All rights reserved.

Analog 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 information

Exam Below are two schematics of current sources implemented with MOSFETs. Which current source has the best compliance voltage?

Exam Below are two schematics of current sources implemented with MOSFETs. Which current source has the best compliance voltage? Exam 2 Name: Score /90 Question 1 Short Takes 1 point each unless noted otherwise. 1. Below are two schematics of current sources implemented with MOSFETs. Which current source has the best compliance

More information

Radio Frequency Electronics

Radio Frequency Electronics Radio Frequency Electronics Active Components II Harry Nyquist Born in 1889 in Sweden Received B.S. and M.S. from U. North Dakota Received Ph.D. from Yale Worked and Bell Laboratories for all of his career

More information

Reg. No. : Question Paper Code : B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER Second Semester

Reg. 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 information

Roll No. B.Tech. SEM I (CS-11, 12; ME-11, 12, 13, & 14) MID SEMESTER EXAMINATION, ELECTRONICS ENGINEERING (EEC-101)

Roll No. B.Tech. SEM I (CS-11, 12; ME-11, 12, 13, & 14) MID SEMESTER EXAMINATION, ELECTRONICS ENGINEERING (EEC-101) F:/Academic/22 Refer/WI/ACAD/10 SHRI RAMSWAROOP MEMORIAL COLLEGE OF ENGG. & MANAGEMENT (Following Paper-ID and Roll No. to be filled by the student in the Answer Book) PAPER ID: 3301 Roll No. B.Tech. SEM

More information

Field Effect Transistors (npn)

Field 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 information

Lecture 16. MOSFET (cont d) Sunday 3/12/2017 MOSFET 1-1

Lecture 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 information

Field - Effect Transistor

Field - 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 information

INTRODUCTION TO ELECTRONICS EHB 222E

INTRODUCTION TO ELECTRONICS EHB 222E INTRODUCTION TO ELECTRONICS EHB 222E MOS Field Effect Transistors (MOSFETS II) MOSFETS 1/ INTRODUCTION TO ELECTRONICS 1 MOSFETS Amplifiers Cut off when v GS < V t v DS decreases starting point A, once

More information

EDC UNIT IV- Transistor and FET JFET Characteristics EDC Lesson 4- ", Raj Kamal, 1

EDC 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 information

Difference between BJTs and FETs. Junction Field Effect Transistors (JFET)

Difference 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 information

Pg: 1 VALLIAMMAI ENGINEERING COLLEGE SRM Nagar, Kattankulathur 603 203 Department of Electronics & Communication Engineering Regulation: 2013 Acadamic Year : 2015 2016 EC6304 Electronic Circuits I Question

More information

55:041 Electronic Circuits

55:041 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 information

UNIT 4 BIASING AND STABILIZATION

UNIT 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 information

The Common Source JFET Amplifier

The Common Source JFET Amplifier The Common Source JFET Amplifier Small signal amplifiers can also be made using Field Effect Transistors or FET's for short. These devices have the advantage over bipolar transistors of having an extremely

More information

MOS Capacitance and Introduction to MOSFETs

MOS Capacitance and Introduction to MOSFETs ECE-305: Fall 2016 MOS Capacitance and Introduction to MOSFETs Professor Peter Bermel Electrical and Computer Engineering Purdue University, West Lafayette, IN USA pbermel@purdue.edu 11/4/2016 Pierret,

More information

GBN GOVT.POLYTECHNIC NILOKHERI BASICS OF ELECTRONICS PREPARED BY VISITING FACULTIES

GBN 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 information

4.2.2 Metal Oxide Semiconductor Field Effect Transistor (MOSFET)

4.2.2 Metal Oxide Semiconductor Field Effect Transistor (MOSFET) 4.2.2 Metal Oxide Semiconductor Field Effect Transistor (MOSFET) The Metal Oxide Semitonductor Field Effect Transistor (MOSFET) has two modes of operation, the depletion mode, and the enhancement mode.

More information

Field Effect Transistors

Field 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

Questions 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? 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 information

Lab 5: FET circuits. 5.1 FET Characteristics

Lab 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 information

KOREA UNIVERSITY. Photonics Laboratory. Ch 15. Field effect Introduction-The J-FET and MESFET

KOREA 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 information

Name: Date: Score: / (75)

Name: Date: Score: / (75) Name: Date: Score: / (75) This lab MUST be done in your normal lab time NO LATE LABS Bring Textbook to Lab. You don t need to use your lab notebook, just fill in the blanks, you ll be graded when you re

More information

MOSFET & IC Basics - GATE Problems (Part - I)

MOSFET & IC Basics - GATE Problems (Part - I) MOSFET & IC Basics - GATE Problems (Part - I) 1. Channel current is reduced on application of a more positive voltage to the GATE of the depletion mode n channel MOSFET. (True/False) [GATE 1994: 1 Mark]

More information

Experiment No: 5. JFET Characteristics

Experiment 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 information

FREQUENTLY ASKED QUESTIONS

FREQUENTLY ASKED QUESTIONS FREQUENTLY ASKED QUESTIONS UNIT-1 SUBJECT : ELECTRONIC DEVICES AND CIRCUITS SUBJECT CODE : EC6202 BRANCH: EEE PART -A 1. What is meant by diffusion current in a semi conductor? (APR/MAY 2010, 2011, NOV/DEC

More information

Electronic Circuits II - Revision

Electronic 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 information

55:041 Electronic Circuits

55:041 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 information

Design cycle for MEMS

Design 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 information

Lecture - 18 Transistors

Lecture - 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 information

UNIT I BIASING OF DISCRETE BJT AND MOSFET PART A

UNIT I BIASING OF DISCRETE BJT AND MOSFET PART A UNIT I BIASING OF DISCRETE BJT AND MOSFET PART A 1. Why do we choose Q point at the center of the load line? 2. Name the two techniques used in the stability of the q point.explain. 3. Give the expression

More information

Electronics Prof. D. C. Dube Department of Physics Indian Institute of Technology, Delhi

Electronics Prof. D. C. Dube Department of Physics Indian Institute of Technology, Delhi Electronics Prof. D. C. Dube Department of Physics Indian Institute of Technology, Delhi Module No # 05 FETS and MOSFETS Lecture No # 06 FET/MOSFET Amplifiers and their Analysis In the previous lecture

More information