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Archives for March, 2018

Electronic X Ballast Circuit Diagram

Electronic Ballast Circuit Diagram using IR2153 and IRFz44 / IRFz48 / IRF3205 DC 12v Ballast Circuit Diagram using IR2153 and IRFz44 / IRFz48 / IRF3205 HOW TO REPAIR ELECTRONICS CHOKE. ELECTRONICS CHOKE 40 WATT, REPAIRING TROUBLE SHOOTING/. FAULT FINDING/ CIRCUIT DIAGRAM Electronic Ballast Block Diagram using IRS2530D / IRS2526D AC 120v – 230v Ballast Block […]

Making power amplifier 30 – 100watts

Now this is an interesting amplifier and can be built for almost any AF power level you want from or more. I will give you suitable examples for the 30 – 100watts version. RV must be set to minimum resistance before application of power. To set up the amplifier, advance RV SLOWLY whilst monitoring the […]

FM wireless microphone for the President’s speech

FM wireless microphone is very simple to build and has a useful transmission range (more than 300 meters in open air). Although a small component count and 3V operating voltage it will easily penetrate more than three floors of an apartment building. This may be found anywhere in the FM band (87-108MHz) and transmission can […]

active subwoofer crossover

active subwoofer crossover active subwoofer crossover

Transformerless power supply design

Transformerless power supply design SMPS +12v -12v or +15v 25A Transformerless power supply design using TR / IC Transformerless power supply design Transformerless power supply design SMPS +12v -12v or +15v 25A

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