Homebrew PCBs

Me too, interested in that design.


2012/11/29 Kevin Byrne <kbyrne10@yahoo.com>

> **
>
>
> I would also like to see your design. Is it posted yet? Kevin
>
> ________________________________
> From: Rick Sparber <rgsparber@aol.com>
> To: Homebrew_PCBs@yahoogroups.com
> Sent: Wednesday, November 28, 2012 11:36 PM
> Subject: RE: [Homebrew_PCBs] Want to plate drill holes for your double
> sided PCB's
>
>
>
>
> I'll certainly enjoy studying it.
>
> Rick
>
> -----Original Message-----
> From: Homebrew_PCBs@yahoogroups.com [mailto:Homebrew_PCBs@yahoogroups.com]
> On Behalf Of smilingcat90254
> Sent: Wednesday, November 28, 2012 9:15 PM
> To: Homebrew_PCBs@yahoogroups.com
> Subject: [Homebrew_PCBs] Want to plate drill holes for your double sided
> PCB's
>
> I just posted on electronics-101 with an offer to post a constant current
> source design and theory of operation for use in plating PCBs.
>
> If anyone is interested in 0-5 AMP constant current source speak up and I
> will post a schematic, BOM, and a layout here. It's relatively simple
> design. Power source for the circuit comes from an old 12V car battery
> charger. The stupid ones which doesn't know when the battery is topped off.
> They can supply 10,20 30AMPS at 12V.
>
> I'm in a process of setting up a plating for my PCB's thus I designed a
> circuit for such use. component count was one reference supply voltage IC,
> 7
> small signal transistors, one pot, trim pot optional, Analog panel meter so
> you know what you are putting out, power transistors and 9 resistors I
> think
> one small cap for feedback stabilization filter caps.
>
> Sincerely,
>
> Ms. smilingcat
>
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