Regulated and Switching Power Supplies Articles: Regulated and Unregulated Power Supply: Almost all electronic devices used in electronic circuits need a dc source of power to operate. The source of…

Rectifiers Articles: What is Surge Current? – Definition and Workings: Before switching on of power supply, the filter capacitor is uncharged . At the instant the power supply is switched…

Power Converters Articles: What is a Power Converter? Solid-state power converter are employed for obtaining the appro­priate form of electrical energy such as direct current or adjustable-frequency alternating current (required…

Multistage Amplifiers Articles: What is Multistage Amplifier? – Types, Block Diagram and Analysis Amplifiers that produce voltage, current, and/or power gain through the use of two or more stages are…

Modulation and Demodulation Articles: Basic Block Diagram of Communication System: The Basic Block Diagram of Communication System is shown in Fig. 22.1. The essential components of a communication system are…

Large Signal or Power Amplifiers Articles: Classification of Power Amplifiers: Classification of Power Amplifiers are primarily divided into two categories viz. audio power amplifiers and radio power amplifiers. Audio power…

BJT Transistor Articles: Transistor Construction: The transistor construction consists of a silicon or germanium (preferably silicon because of its smaller cutoff current ICBO, smaller variations in ICBO due to variations…