Archive for the Category


DC 12V to DC 6V-7.5V-9V Converter using 2N3055

Tuesday, October 21st, 2008
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This circuit is DC to DC converter model step down voltage. That can modify voltage input 12V DC from be DC 6V , 7.5V and 9V by have the size current about 1A - 2 Amp think. Be easy circuit use Zener diode maintain one’s position voltage. Be stable [...]

Micropower DC/DC Converter circuits

Friday, October 3rd, 2008
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The design of battery-powered equipment can often be quite challenging. Since few ICs can operate directly from the end-of-life voltage from a 2-cell battery (about 1.8V), most systems require a DC/DC converter. The system designer often has a limited area in which to place the DC/ DC converter; associated inductors and capacitors must be small. [...]

DC Power Supply 300V From battery 12V

Saturday, September 6th, 2008
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This be DC Converter Battery 12V to DC 300V. By 2N3055 transistors and 2N1305 are pillar equipment and power transformer transform the sky tallly go up then change voltage regulator rectifier with diode and Capacitors make output have voltage about 300V at Current 55mA. [...]