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

Car Laptop Charger Circuit Using Boost Converter

The post discusses a simple car laptop charger circuit for charging laptops from a 12V car battery using a IC 555 based boost converter. The idea was requested by one of the avid readers of this blog. Making a 12V to 19V Converter May I request you for a circuit diagram for a transformerless small … Read moreCar Laptop Charger Circuit Using Boost Converter

Adjustable 0-100V 50 Amp SMPS Circuit

The high power adjustable switching power supply is perfect for the purpose of laboratory work. The topology used to design the system is switching topology – half controlled bridge. Written and Submitted by: Dhrubajyoti Biswas Using IC UC3845 as the Main Controller The switching supply is powered with IGBT transmitters and is further controlled by … Read moreAdjustable 0-100V 50 Amp SMPS Circuit

SMPS Halogen Lamp Transformer Circuit

One of the best substitutes for traditional light transformer for halogen bulbs is the electronic halogen transformer. It can also be used with non-halogen bulbs and any other form of resistive loads that does not run on RF current. Written and Submitted By: Dhrubajyoti Biswas Halogen Lamp Working Principle The electronic halogen lamp transformer works … Read moreSMPS Halogen Lamp Transformer Circuit

SMPS 2 x 50V 350W Circuit for Audio Power Amplifiers

This article will illustrate a simple procedure to devise an unregulated 50V switching SMPS symmetric power supply of 350W. This unit can be substituted with the standard audio amplifier power supply to reduce expense and also the weight. The proposed power supply works as a half-bridge with no regulation. Written and Submitted by: Dhrubajyoti Biswas … Read moreSMPS 2 x 50V 350W Circuit for Audio Power Amplifiers