To operate car audio (or video) system from household 230V AC mains supply, you need a DC adaptor. DC adaptors available in the market a...

Some of you might wonder why a charger is needed at all, to charge a 12 Volt battery from a 12 Volt source! Well, firstly the “12 Volt” so...

In this circuit, the 7815 regulatates the positive supply, and the 7915 regulates the negative supply. The transformer should have a prim...

Regulated Power Supply This project is a normal DC regulated power supply that is a variable DC voltage range from 5V to 15V. It can supp...

For a collector follower with emitter resistor, you’ll often find that the gain per stage is no more than 10 to 50 times. The gain incr...

This electronic amplifier project is an IC amplifier module from ST Microelectronics, the TDA7294. It is intended for use as a top quality...