In this chapter, you will learn about: Rectifiers: half-wave rectifiers, full-wave rectifiers; the basic power supply; diode limiting (clipping) and clamping circuits; switching diodes. | Dr. Nasim Zafar Electronics 1 EEE 231 – BS Electrical Engineering Fall Semester – 2012 COMSATS Institute of Information Technology Virtual campus Islamabad The Diode Applications: Lecture No: 11 Contents: Rectifiers: Half-Wave Rectifiers Full-Wave Rectifiers The Basic Power Supply Diode Limiting (Clipping) and Clamping Circuits. Switching Diodes Reference: Chapter 2 - Diode Applications: Figures are redrawn (with some modifications) from Electronic Devices By Thomas L. Floyd The Diode Applications: Lecture No: 12 Contents: Zener diodes Photo-Diode Light Emitting diode & Laser Diode Tunnel Diode Applications of PN Junctions: P N J U N C T I O N PN Junction Diode Junction Diode Rectifiers Switching Diode Zener Diode Varactor Diode Tunnel Diode Photo-Diode Light Emitting diode & Laser Diode BJT (Bipolar Junction Transistor) Solar Cell Photo Detector HBT (Heterojunction Bipolar Transistor) FET (Field Effect Transistor) JFET MOSFET - memory MESFET - HEMT 6 Common Applications of Diodes: Rectifier Zener LED Schematic symbol Bias for normal operation Switched back and forth between forward and reverse. Reverse Forward Normal VF Si: VF = V Ge: VF = V VF = V (not normally operated) Normal VR Equal to applied voltage. Equal to VZ. Equal to applied voltage. Primary factors to consider for device substitution I0 and VRRM ratings. PD(max) and VZ ratings. VF(min), IF(max), and VBR The Diode Applications: Objectives: Explain and analyze the operation of half-wave rectifiers. Explain and analyze the operation of full-wave rectifiers. Define a power supply and the main components in a common linear AC to DC power supply. Explain the purpose and function of each component. The Diode Applications: Objectives: Define the components that transform pulsating DC into constant DC. Define ripple and identify its origins. Understand the operation of diode limiting and clamping circuits. Interpret and use a diode data sheet. The Diode-Rectifiers: 9 Rectifier Circuits: Half-Wave | Dr. Nasim Zafar Electronics 1 EEE 231 – BS Electrical Engineering Fall Semester – 2012 COMSATS Institute of Information Technology Virtual campus Islamabad The Diode Applications: Lecture No: 11 Contents: Rectifiers: Half-Wave Rectifiers Full-Wave Rectifiers The Basic Power Supply Diode Limiting (Clipping) and Clamping Circuits. Switching Diodes Reference: Chapter 2 - Diode Applications: Figures are redrawn (with some modifications) from Electronic Devices By Thomas L. Floyd The Diode Applications: Lecture No: 12 Contents: Zener diodes Photo-Diode Light Emitting diode & Laser Diode Tunnel Diode Applications of PN Junctions: P N J U N C T I O N PN Junction Diode Junction Diode Rectifiers Switching Diode Zener Diode Varactor Diode Tunnel Diode Photo-Diode Light Emitting diode & Laser Diode BJT (Bipolar Junction Transistor) Solar Cell Photo Detector HBT (Heterojunction Bipolar Transistor) FET (Field Effect Transistor) JFET MOSFET - memory MESFET - HEMT 6 Common Applications of Diodes: