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Power inverter 12Vdc to 220Vac using Cmos 4047



This converter has a central component, the CMOS 4047, and converts a 12V DC voltage to 220V AC voltage. 4047 is utilised as a astable multivibrator. At pin 10 and 11 we find a rectangular symmetrically signal which is amplified by tow Darlington transistors T1 and T2 and finally reaches the secondary coil of a transformer network (2 x 10V/60VA). Primary coil terminals voltage is 220 alternative voltage. To obtain a better performance use a toroidal core transformer with reduced losses. With P1 the output frequency can be regulated between certain limits (50…400Hz).

Source:http://apowersupply.com/converter-12v-dc-220v-ac-59.html

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This entry was posted on Monday, December 28th, 2009 at 9:22 am and is filed under inverter.