3.37 (a) Half-wave rectifier. 26 Example 10.3 The voltage-regulator circuit of Figure 10.9 has R 1kW and use a Zener diode having the characteristic shown in Figure 10.10. 24 Fig. 1. If you continue browsing the site, you agree to the use of cookies on this website. The white LED will have a drop of about 4 V across it, the 6-V and 3.3-V Zener diodes have a total of 9.3 V, and the forward … Commonly used in DC … Other types of diodes . Times New Roman Symbol Arial Default Design Microsoft Equation 3.0 DIODE CIRCUITS Review: p-n Junction Volt-Ampere Characteristic of Diode Review: p-n ... – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 434436-YmRkY Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website. For the semiconductor diode, the “on” state will support a current in the direction of the arrow in the symbol. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. See our Privacy Policy and User Agreement for details. 1. Features, Specifications, Alternative Product, Product Training Modules, and Datasheets are all available. Now customize the name of a clipboard to store your clips. Zener Diode Made specially to operate in the reverse breakdown region. Premium PDF Package. Useful as a “reference” voltage in many circuits. 1. Important Features • Zener diodes have a highly doped p-n junction. I F, maximum forward current at a specific temperature … Create a free account to download. V F, forward voltage at a specific current and temperature 2. 144122913-zener-diode-ppt.ppt - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. 3.31 The diode i-v characteristic with the breakdown region shown in some detail. 13. In this presentation, we will see how the zener diode maintains a nearly constant dc voltage under the proper operating conditions. Download Full PDF Package. See our Privacy Policy and User Agreement for details. Because, no current is flowing through the load when the device is switched off . called Zener diode. Numerical of Zener Diode Introduction The zener diode is a silicon pn junction devices that differs from rectifier diodes because it is designed for operation in the reverse-breakdown region. Many are downloadable. 3. ECE103 A12. The resistor value is chosen such that several mA flow through it and through the Zener, keeping it in its breakdown region. Learn new and interesting things. Then you learned how circuit elements do not operate the same at all frequencies. Calculation of current for Zener diode Z1 (13 V/50 W) is as follows:. The laser diode does not have a similar process as that of ordinary LED (light-emitting … You started with simple resistive circuits, then dynamical systems (circuits with capacitors and inductors) and then op-amps. Chapter 3 Special Purpose Diodes Weebly PPT Presentation Summary : Ideal Vs Practical Diodes Special Diodes Application of Diodes Diode Element A diode has two leads connected to the external circuit. breakdown region are called Zener diodes. Zener Diodes (sedra And Smith, 4.4) Mark Of Ece PPT Presentation Summary : Zener Diodes (Sedra and Smith, 4.4) Mark Lundstrom School of ECE Purdue University West Lafayette, IN USA Lundstrom: Fall 2019 Goal for this lecture Introduction The zener diode is a silicon pn junction devices that differs from rectifier diodes because it is designed for operation in the reverse-breakdown region. Get ideas for your own presentations. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. 3-9 Simple zener diode reg. I. Presentation Summary : Zener diode and regulators . Zener Diode 3.36 Block diagram of a dc power supply. This paper. V. D0 ≈ 0.3 V . You can change your ad preferences anytime. Looks like you’ve clipped this slide to already. EE 201 : Semiconductor Devices Zener Diode The second of the diodes is a zener diode which are fairly popular for the voltage regulation of low current power supplies. You can change your ad preferences anytime. These diodes have a very accurate and specific reverse breakdown voltage. ... Zener Diode A Zener is a diode operated in reverse bias at the Zener voltage (VZ). PPT. Was constructed with 2 electrodes in the form of a vacuum tube. 23 Fig. They are designed to 'breakdown' in … 4 Zener Diode Basics. Scribd is the … Invented in 1904 by John Ambrose Fleming. View Semiconductor Diodes PPTs online, safely and virus-free! 3.32 Model for the zener diode. Zener diode and regulators - PPT. This property allows the use of the zener diode as a simple voltage regulator. or. PDF. The main use of Zener diode lies in the fact that the voltage across a Zener diode remains constant for a larger change in current. Laser Diode. Electricity Merit Badge Science Olympiad 951746 PPT. See our User Agreement and Privacy Policy. zener power rating = 8.2 * 0.110 = 0.9 Watts. circuit & label zener terminals. ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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