Introduction A 12V dual power supply circuit is a must-have for electronics projects requiring both positive (+12V) and negative (-12V) voltages. This setup is ideal for powering operational amplifiers, audio circuits, and other analog systems. In this guide, we’ll show you how to build a reliable 12V dual power supply using the 7812 and 7912 … Read more
Introduction to 12V Switch Mode Power Supplies (SMPS) A 12V Switch Mode Power Supply (SMPS) is a highly efficient solution for powering electronic devices, offering a compact design and low energy loss compared to linear power supplies. This article explores a 12V SMPS circuit that repurposes an AT/ATX transformer, utilizing the IR2153 driver IC and … 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