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Sunday, October 5, 2014

AC DC POWER SUPPLY MINIATURE ISOLATED

5:30 AM

AC/DC POWER SUPPLY MINIATURE ISOLATED

AC/DC POWER SUPPLY MINIATURE ISOLATED CIRCUIT uses a novel approach to produce a fully isolated and regulated 5 volts @30ma from the 120vac power line. It uses two tiny SCRs that alternately discharge two capacitors through a miniature high frequency transformer. The voltage spikes produced through the transformer are rectified, filtered and regulated. A very common 8 ohm audio impedance matching transformer can be used for the transformer.

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