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Electronic Ballast Circuit for UV Germicidal Lamps

Last Updated on November 23, 2024 by Swagatam 20 Comments

UV lamp driver ballast compressed

In this post I have explained the construction of a DC UV germicidal lamp ballast circuit which can be used for driving any standard 20 watt UV lamp through a 12 V DC source. Although, the proposed ballast design was originally meant for illuminating a regular 20 watt fluorescent tube light, this can be also […]

Filed Under: Health related Projects Tagged With: Ballast, Electronic, Germicidal, Lamps, UV

Compatible LED Tube Light Circuit for Standard Ballast Fixtures

Last Updated on March 13, 2019 by Swagatam 9 Comments

ftl fixture wiring

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 […]

Filed Under: Lamps and Lights Tagged With: Ballast, Compatible, LED, Light, Standard, Tube

Mains 20 Watt Electronic Ballast Circuit

Last Updated on January 1, 2024 by Swagatam 22 Comments

20 watt flourescent tube

In this post I have explained 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 […]

Filed Under: Lamps and Lights Tagged With: Ballast, Electronic, Mains, Watt

Single IC Dimmable Ballast Circuit

Last Updated on January 1, 2024 by Swagatam 2 Comments

25 watt cfl

In this post I have explained 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 […]

Filed Under: Lamps and Lights Tagged With: Ballast, Dimmable, Single

40 watt Electronic Ballast Circuit

Last Updated on January 2, 2024 by Swagatam 111 Comments

1 5

The proposed 40 watt electronic ballast is designed to illuminate any 40 watt fluorescent tube, with high efficiency, and optimal brightness. 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 about LED technology is […]

Filed Under: Lamps and Lights Tagged With: Ballast, Electronic, Watt

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