Diode 1. Diode applications 2 Diode symbols 3 I-V characteristic 4.

Slides:

Advertisements

Similar presentations

An Electronic System Power Supply Example

Advertisements

LECTURE 4 DIODE LED ZENER DIODE DIODE LOGIC

CENT-112 Fundamentals of Electricity and Electronics 1 Impurity Atoms: Trivalent: Boron (B), Aluminum (Al), Gallium (Ga), Indium (ln). Has three (3) valence.

Electronic devices and circuits UNIT – I PN- DIODE.

Analogue Electronic ETEC 3824 Diode. Learning Outcomes At the end of the lesson, students should be able to :  Sketch and explain the characteristics.

Electronic devices and circuits

9/29/2004EE 42 fall 2004 lecture 131 Lecture #13 Power supplies, dependent sources, summary of ideal components Reading: Malvino chapter 3, Next:

Experiment 8: Diodes * Introduction to Diodes

Module 1: Part 1 Semiconductor Materials and Diodes.

Course Outline 1. Chapter 1: Signals and Amplifiers

Electronic Instrumentation Experiment 6: Diodes * Part A: Diode I-V Characteristics * Part B: Rectifiers Part C: PN Junction Voltage Limitation Part D:

Electronic Circuits POWER SUPPLIES.

SCHOTTKY BARRIER DIODE

SPECIAL DIODES P. SYAM SUNDAR ASSOCIATE PROFESSOR DEPT. OF ECE K L UNIVERSITY.

Diodes Analog Electronics UNIT III. Diodes UNIT I Objective The student will use diodes, capacitors, regulators and LEDs through a rectifying system in.

Recall-Lecture 5 DC Analysis Representation of diode into three models

DC Analysis Representation of diode into three models Ideal case – model 1 with V  = 0 Piecewise linear model 2 with V  has a given value Piecewise linear.

Lecture 2: Semiconductor Diodes

1 Electronic Circuits VOLTAGE REGULATION. 2 Electronic Circuits THE ZENER REGULATOR;

Semiconductors and Diodes

C H A P T E R 4 Diodes (non-linear devices)

ELECTRICITY & MAGNETISM BY: Arana Rampersad Form: 5D Physics.

Power Supply Design J.SHANMUGAPRIYAN.

Chapter 4. Diodes. Copyright  2004 by Oxford University Press, Inc. Diode Simple non-linear device 2 terminal device, uni- or bi-directional current.

Mechatronics 1 Filters & Regulators.

Diodes and Diode Circuits

SEMICONDUCTOR DEVICES. Diodes as a semiconductor devices Symbol and Structure Diodes is made by joining p-types and n- types semiconductor materials.

Unit-3 RECTIFIERS, FILTERS AND REGULATORS :Half wave rectifier, ripple factor, full wave rectifier, Harmonic components in a rectifier circuit, Inductor.

บทที่ 3 Diode 1EEE270 Electronic engineering. Diode applications 2EEE270 Electronic engineering.

Intro to Semiconductor devices & Diodes Electronics 1 CVHS.

Half wave rectification By:Engr.Irshad Raheem Memon.

Ping Hsu Buff Furman John Luk 21SEP2010

© The McGraw-Hill Companies, Inc McGraw-Hill 1 PRINCIPLES AND APPLICATIONS OF ELECTRICAL ENGINEERING THIRD EDITION G I O R G I O R I Z Z O N I 8.

DC Analysis Representation of diode into three models Ideal case – model 1 with V  = 0 Piecewise linear model 2 with V  has a given value Piecewise linear.

EMT212 – Analog Electronic II

Schottky Barrier Diode One semiconductor region of the pn junction diode can be replaced by a non-ohmic rectifying metal contact.A Schottky.

1.0 LINEAR DC POWER SUPPLY The importance of DC Power Supply Circuit For electronic circuits made up of transistors and/or ICs, this power source.

Zener Diode Circuits for Power Supply Designs Section 4.4.

3/2/2016 Page 1Numeral Systems 17/11/2014 page 1.

AC Recovery To obtain the necessary DC power electronic circuits, the AC power available from the network using specialized circuits- rectifiers or diodes,

Chapter 1 Common Diode Applications Basic Power Supply Circuits.

Diode & its Applications Presented by D.Satishkumar Asst. Professor, Electrical & Electronics Engineering Contact.

Transistor Basics – Part I. The Diode The semi-conductor phenomena Diode performance with AC and DC currents Diode types –General purpose –LED –Zenier.

Best 3 Applications Involving in Zener Diode Working Functionality.

College Name : Shree Swami Atmanand Saraswati Institute Of Technology(SSASIT)(076) Year : 2 nd year(3 rd sem) EC-2015 Subject Name : Electronic Devices.

Stavan Patel( ) Vedant Patel( ) Vidhi Patel( ) 1.

DIODES AND APPLICATIONS

Physics of Semiconductor Devices

Center tap Full-Wave Rectifier.

Recall-Lecture 5 DC Analysis Representation of diode into three models

Diode Clipping Circuits

Rectifiers and Filters

Chapter 27 Power Supplies.

Recall-Lecture 5 DC Analysis Representation of diode into three models

EE141 Microelectronic Circuits Chapter 10. Semiconductors, Diodes, and Power Supplies School of Computer Science and Engineering Pusan National University.

Fault detection Lecture (3).

EE141 Microelectronic Circuits Chapter 10. Semiconductors, Diodes, and Power Supplies School of Computer Science and Engineering Pusan National University.

Diode Theory Chap - 3 Release 1-Sep-2010 Jetking Infotrain Ltd.

Diodes and Diode Applications

Recall-Lecture 5 DC Analysis Representation of diode into three models

Potentiometer or Potential divider

Electronics Fundamentals

PRESENTATION OF ELECTRONICS-I

DIODES CLIL ELETTRONICA TEACHER SETTANNI GABRIELE MONTINARO

Electronic Fundamental Muhammad Zahid

Lecture No# 8 Prepared by: Engr. Qurban Ali Memon

Recall-Lecture 5 DC Analysis Representation of diode into three models

Recall-Lecture 6 Diode AC equivalent circuit – small signal analysis

Presentation transcript:

Diode 1

Diode applications 2

Diode symbols 3

I-V characteristic 4

Testing diode 5

Temperature effects 6

Diode datasheet 7

Ideal diode 8

Ideal half wave rectifier 9

Solar Cell (photovoltaic cell) 10

Light Emitting Diode (LED) 11

Infrared LED (IR LED) 12

Photodiode 13

IR LED + Photodiode application 14

15 Schottky diode I-V characteristics  Schottky diode is a metal-semiconductor (MS) diode  Historically, Schottky diodes are the oldest diodes  MS diode electrostatics and the general shape of the MS diode I-V characteristics are similar to p + n diodes, but the details of current flow are different.  Dominant currents in a p + n diode  arise from recombination in the depletion layer under small forward bias.  arise from hole injection from p + side under larger forward bias.  Dominant currents in a MS Schottky diodes  Electron injection from the semiconductor to the metal.

Zener diode 16 What is a Zener Diode?: A Zener diode is a special case of ordinary semiconductor silicondiode. Specifically, the Zener displays the following property: The direction of current is from positive to negative and it blocks current in the minus to plus direction (Reversed Bias). See sketch for Zener diode symbol and picture of markings on a part itself. If a positive voltage is applied to the anode terminal of a Zener diode and a negative voltage is applied to cathode terminal, the Zener diode will behave as an ordinary semiconductor diode. However, when a positive voltage is applied to the negative, the Zener diode will breakdown when it is reversed biased by a voltage greater than the breakdown voltage. As a result a Zener voltage (Vz) will appear across the diode terminals, with its cathode being positive and the anode being negative.See Figure below for pictorial and associated symbol:diode See example below for more information In the preceding figure which reflects a zener diode acting as a zener voltage regulator across load resistor R2.zener voltage regulator

Zener diode 17

Rectifier Circuits  Transformers  Step Down/Up  Electrical isolation => Minimize risk of Electrical shock  Rectifier  converts sinusoidal input into uni-polar output – pulsating dc with nonzero average components  Unsuitable for equipments  Needs filtering and smoothing

 Filter  Smoothes out pulsating dc but still some time-dependent components-(ripple) remain in the output  Voltage Regulation  Reduces ripples  Stabilizes magnitude of dc output against variation in load current  Regulation by Zener Diode or Voltage regulator I.C Rectifier Circuits