Semiconductor Component Identification • Control of a Semiconductor Switch • Diode and DC Characteristics • Half-Wave Rectification • Full-Wave Diode Bridge Rectification • Power Supply Filtering • Voltage Doubler • Diode Waveshaping • The Zener Diode • Zener Diode Voltage Regulation • Testing the Junctions of a Transistor • PNP Transistor Current Control Circuit • Emitter-Base Bias Potentials • Collector Current Versus Base Bias • Transistor DC Circuit Voltages • Transistor Load Lines • Troubleshooting Basics • Troubleshooting the Semiconductor Devices Circuit Board