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Old 18th October 2011, 06:38 PM   #1
diyAudio Member
Join Date: Mar 2010
Default Unregulated Power Supply

I just finished up this design - I have received the first run spin and will be testing soon. Let me know if you have interest in purchasing. This board was designed around the caps that Apex Jr sold out of, but it is a pretty flexible design. I am not planning on doing a high volume run unless interest is high.

Unregulated Power Supply:

-Soft start/current limiting via relay. Primary power connection
routed through high watt low resistance current limiting resistors
till voltage rails reach a certain level.
-Mute signal generated when rails fall below certain voltage.
-Individual connectors for the addition of extra capacitors - so
someone could hook up some computer grade chassis mount caps.
-On PCB fuse or ability to connect off PCB fuse via dedicated headers.
-Dedicated headers for connecting chassis mounted switch
-Individual star-grounding points for earth ground, small-signal
ground, and power ground.
-Large caps on-board can accommodate capacitors with four leads with
22.5mm lead spacing and diameters of 45mm. Also can accommodate
smaller caps with 10mm lead spacing.
- Large current Molex z-power headers with gold plating that can
handle 30A and you don't have to solder them in if you don't want to.
Digi-Key - WM4668-ND (Manufacturer - 0760010006)
-Sandbox area for add your own stuff.
-compact design 8" x 5"

The board itself is well designed, would be manufactured using 2oz
copper, and the plating would be Silver Immersion (much better then
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Old 18th October 2011, 06:41 PM   #2
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