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Author Topic: dual supply from ac adapter  (Read 6724 times)

noystoise

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dual supply from ac adapter
« on: October 25, 2009, 06:14:02 AM »
anyone know much about using a standard 12v ac adapter to obtain a symmetrical supply? ive found some info on google but i have virtually no experience with this stuff(rectifiers). does this look right? should i use 4001's or rectifier chips? any advice?
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Matt the Modulator

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Re: dual supply from ac adapter
« Reply #1 on: October 25, 2009, 07:10:24 PM »
well i always turn to Ray willson for such matters

an adjustable voltage output type
http://www.musicfromouterspace.com/analogsynth/POWERSUPPLY2009/POWERSUPPLY2009.php

Wall Wart Power Supply (+/-9V to +/-15V)
http://www.musicfromouterspace.com/analogsynth/WALLWARTSUPPLY/WALLWARTSUPPLY.php

ray sells pcb's for both designs and gives the schematics so you can make your own
good luck
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nochtanseenspecht

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Re: dual supply from ac adapter
« Reply #2 on: October 26, 2009, 02:06:25 AM »
i always rip them of abandoned dvd players, easiest solution  :) and you have a +5v for bonus
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