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Non-standard use of computer power supply

In amateur radio practice often necessary to compact and lightweight power supply with an output current to 20 BUT, when the voltage on load 5…15 AT. About tom, how to transform a standard computer into a source IP, described in this article. powerful source… Continue Reading

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Cable Finder based on computer power supply

More often, power supply unit "second life" as prepared for laboratory PSUs, power supplies and battery chargers stations starter batteries. But other than that, they were found and another application. As described in [1] device to search for the cable… Continue Reading

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PWM controller TL494 pulse supply unit

Chip type TL494CN, manufactured by TEXAS INSTRUMENT (United States), produced also by SHARP (Japan) called IR3M02, by SAMSUNG (Korea) – KA7500, by FUJITSU (Japan) – MV3759, so there are domestic analogue – KR1114EU4. The chip is widely used in pulsed… Continue Reading