220 watts Uninterruptible Power SupplyUninterruptible power supply provides output power to 220 watts (load current up to 1A). In the mode switch SB1 12/220 - the battery voltage is applied to a given multivibrator Q3 Q4 50 Hz, which builds up powerful keys Q1, ...
Simple Uninterruptible Power Supply (UPS)This schematic is simply a basic system of UPS (uninteruptible power supply). The main schematic gives a continuous regulated 5 Volt result with an not regulated 12 Volt supply. Regarding electricity line fail the battery will take control, without any ...
600 Watt Uninterruptible Power SupplyThe schematic in figur is the circuit of 600W UPS. Stay powered and radio during a power failure. Output frequency - 50 Hz, Power Consumption 600 Watts, the shape of the output signal - sinusoidal, the efficiency - 98%. The ...
A Simply 9V / 2A Power SupplyA simple 9 Volt 2 amp power supply using a single IC regulator. This is very simple circuit. Everything is done by the regulator. The 78S09 can provide up to 2 amps continuous output while maintaining a low noise and ...
Simple 12 Volt to 9 Volt DC-DC Converter12 V to 9 V DC-DC Converter This DC-DC Converter schematic diagram is very simple with few components, making it easy to build. It can convert 9 volt DC voltage from 12 VDC source. To obtain a much more accurate ...