replacement hp23 power supply boards
R.A. (Army) Curtis
acurtis at ANDERSOFT.COM
Wed Feb 28 00:19:53 EST 2001
Mike,
Great idea, I love it! Put me down for two boards please, and if you go ahead and kit it, I'll take two complete kits instead.
73,
Army - AE5P
Nacogdoches, the oldest town in Texas
acurtis at andersoft.com
*********** REPLY SEPARATOR ***********
On 2/27/01 at 11:44 PM mike bryce wrote:
>Hola boys and girls.
>
>Hummm... confused? Misdirected?
>
>What PC board? There's no PC board in the HP23.
>
>And you know what, you're right.
>
>What I have done is move the entire HP23 series circuitry and mount it on a
>single pc board. this board is then mounted on the top of the HP23 supply.
>You use the old capacitor holes to mount the pc board. The filter choke is
>removed and tossed into the junk box. In its place is a solid state high
>voltage regulator.
>
>the old caps, the old diodes are replaced with modern devices. Everything
>mounts on the PC board.
>
>The idea is to improve the hp23's performance while providing a cheaper way
>to recap the supply when the need arises.
>
>If you have a working hp23 series supply. I don't know if I would upgrade to
>the pc board. If on the other hand you have one that is in need of repair,
>then the pc board is a quick and cheap way of saving the old supply.
>
>the cost is $15 for the bare board.
>
>If there is enough interest, perhaps a kit.
>
>The PC board is double sided with plated through holes. There is a solder
>mask on both sides and a silk screen. It is made of 2 oz copper on FG board
>material.
>
>I should have a working prototype this weekend. I needed to see if there
>was enough interest to go ahead with the board run.
>
>so, that's the poop..
>
>if you wan to see what the board looks like, go to my web site at
>
>http://www.theheathkitshop.com
>
>and follow the links. You'll see the artwork posted.
>
>--
>Mike Bryce WB8VGE
>SunLight Energy Systems
>"Electricity at the speed of light"
>
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