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