Power Electronics
100W Power Amplifier Based IC TDA7294
This is a very interesting circuit design to assemble. There are 4in1 amplifier module in a circuit board. 100W power…
120W Power Amplifier + Power Supply
This is 120W power amplifier schematic using TO-3 package complementary transistors, NPN and PNP polarity. The well-known power transistor pair…
6V and 12V Car Battery Charger
This 6V and 12V car battery charger circuit can be automatically charged, quickly and correctly, 6V and 12V batteries. Circuit…
5VDC Single Polarity to 12VDC Dual Polarity Converter
This is the circuit diagram of 5VDC single polarity to 12VDC dual polarity converter based on IC LM2595-12 from National…
0-60V / 0-2A Variable Power Supply
This is the circuit diagram of 0-60V / 0-2A variable power supply. Of course this circuit used to cover the…
3V to 9V DC Converter
This is the circuit diagram of 3V to 9V DC converter which capable to deliver output voltage about 10.4v on…
Adjustable Regulated Battery Charger
This battery charger circuit is regulated and adjustable to make this circuit able to charge the mosto NiCAD battery. This…
USB Power Booster for PC / Laptop
This is the circuit diagram of USB power booster, expecially to strength the power capability of USB port from PC…
Adjustable Symmetric 1 to 24VDC, 1A Power Supply
This is the circuit diagram of adjustable symmetric 1 to 24VDC, 1A Power Supply. This power supply give dual output…
Digital DC Voltmeter based ICL7107 Chip
Here is the schematic diagram of digital DC voltmeter built based IC ICL7107. The power supply for this circuit is…