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DC 12V to 24V 2A Circuit diagram energy converter 12V to 24V 2A , which uses the integrated circuit CD4093 and CD40106 , and MOSFETs BUZ11 output . This converter can be used with some modifications as the source for Notebook charger , connecting equipment with voltage 24volts , etc. . For full operation of DC / DC converter input 12Volts must be a current of 4 amperes or more .    DC Converter  DC 12V to 24V 2A Circuit diagram

This is a simple Electronic Circuit Project of Power Supply Adjustable 0V-30V DC/2A Circuit. Based on the known LM 723, that drive a transistor Q1 [2N3055]. The regulation of voltage, of expense becomes with potentiometer R1 from 0v-30v DC roughly. Power Supply Adjustable 0V-30V DC/2A Circuit Diagram: In order to we achieve 30 V, will should the transformer of supply TR1, it gives all the current that it asks the load, differently the output voltage it will be found in the levels of 26 V roughly. Essential is the use of a good heatsink for transistor Q1, as well as good quality of potentiometer in the place of R1. Parts List: