Introduction to Switch Mode Power Supplies (SMPS) A Switch Mode Power Supply (SMPS) is an efficient way to convert and regulate voltage for electronic devices. Unlike linear power supplies, SMPS designs use high-frequency switching to minimize energy loss, making them compact and energy-efficient. This article explores a 7-9V SMPS circuit that uses a transformer with … Read more
Introduction to Variable DC Power Supplies A 2-30V regulated DC power supply is a versatile tool for electronics hobbyists, engineers, and students. It provides a stable, adjustable voltage output for testing circuits, powering devices, or prototyping projects. This article dives into a simple yet effective design using the LM317 regulator and 2N3055 transistor, offering a … Read more
Introduction A variable DC power supply capable of delivering 0-300V is a valuable tool in electronics for testing circuits, powering high-voltage devices, or conducting experiments. This article analyzes a simple high-voltage power supply circuit using an IRF740 MOSFET, focusing on its components, operation, and practical considerations. Circuit Overview The circuit converts an AC input into … Read more
Transformers are fundamental components in electronics, enabling voltage conversion for powering circuits efficiently and safely. In this article, we’ll dive into the winding data of a 12-0-12V, 5A transformer, as provided by Easy Electronics. This transformer is ideal for projects requiring a dual 12V supply, such as audio amplifiers, power supplies, and DIY electronics. Let’s … Read more
Discover how to build a 60-watt power amplifier circuit using two 2N3055 transistors. This step-by-step guide covers components, wiring, and tips for optimal audio performance. Circuit Working This is a Class AB push-pull amplifier with a pre-amplifier stage, driver stage, and output stage: Component Specifications Insulation Details for Efficiency and Safety Efficiency Optimization Summary