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Electronic Ballast Circuit for Twin 40 Watt Fluorescent Tubes

In this article we learn how to build a simple yet extremely reliable electronic ballast circuit for driving or operating two 40 watt fluorescent tubes, with an active power correction. Courtesy: https://www.irf.com/technical-info/appnotes/an-995a.pdf Main Electrical Features of the IC International Rectifier Control ICs are monolithic power integrated circuits suitable for operating low-side and high-side MOSFETs or … Read moreElectronic Ballast Circuit for Twin 40 Watt Fluorescent Tubes

Compatible LED Tube Light Circuit for Standard Ballast Fixtures

In this article we will study a simple LED tube light circuit which could be directly replaced with faulty 40 watt T17 fluorescent tubes and fitted directly on the existing fixture. Thus the circuit is compatible with all standard iron ballast fixture assemblies. How Conventional Fixtures are Wired As shown in the below diagram, traditional … Read moreCompatible LED Tube Light Circuit for Standard Ballast Fixtures

Mains 20 Watt Electronic Ballast Circuit

The post explains a simple 20 watt fluorescent ballast circuit using a single chip FAN7711 from Fairchild semiconductor. The proposed mains 220V operated, 20 watt fluorescent ballast circuit is built around an LCC resonant tank and a half-bridge network. Implementing Zero Voltage Switching The main features and operations may be understood with the following explanation: … Read moreMains 20 Watt Electronic Ballast Circuit

Single IC Dimmable Ballast Circuit

The post explains a simple 25 to 36 watt ballast circuit which can used for all fluorescent tube applications within the allocated range. The circuit of the proposed electronic fluorescent ballast may be understood through the following discussion: The Preheater Stage The half-bridge stage comprising the two mosfets are triggered by the IC for initiating … Read moreSingle IC Dimmable Ballast Circuit

40 watt Electronic Ballast Circuit

Simple electronic fluorescent ballast circuits are difficult to find and build. A simple homemade electronic 40 watt ballast circuit is neatly explained in this article. The PCB layout of the proposed electronic fluorescent ballast is also provided along with the torroid and the buffer choke winding details. Introduction Even the promising and the most talked … Read more40 watt Electronic Ballast Circuit

6V to 220V Boost UPS Circuit

The post explains a simple boost converter UPS circuit for supplying an uninterruptible power to satellite TV set top boxes so that the offline recording is never allowed to fail during power outages. The idea was requested by Mr. Aniruddha Mukherji. Technical Specifications I think you are a fellow bong like me, I am an … Read more6V to 220V Boost UPS Circuit

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