24V / 2A DC Power SupplyThe 24 volts power supply circuit is very simple. It uses a zener diodes and Darlington transistors type TIP122. Output voltage is set at 24 V with 2 amperes current output. Lowering the voltage 230 V sector is provided by ...
Power supply 4.5 A with 3 LM317 in parallelThis lm317 variable power supply can supply a voltages from 1.2V to 30V with a current 3 amperes, just as the title of this series based on LM317T voltage regulator, the LM317T regulator provide around 1.5 amperes on the heatsink, ...
Converter 12 Vdc to 230 Vac or InverterAs shown in the Inverter circuit diagram obove , Its used as the oscillator stage astable multivibrator contained in IC1, a CMOS 4047 (this cult series 40xx series) by varying the resistance value of R1 trimmer (220 k total resistance) ...
Motorcycle Battery ChargerThe above scheme is a motorcycle battery charger, which is intended only for charging motorcycle batteries as its has a low charge current and thereby saving the battery plate from premature failure. This motorcycle battery charger circuit generate current of ...
Symmetrical regulated power supply and variable 0 to 30V 2AThis Symmetrical regulated power supply and variable power supply 0 to 30V 2A circuit does not require further explanation, which is a controlled variable symmetric source, can deliver up to 15V per line (-15 and +15), or up to 30V ...