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Re: [Amps] Step-start; improved circuit.

To: walnutcreek@appstate.net
Subject: Re: [Amps] Step-start; improved circuit.
From: Paul Kelley N1BUG <paul.kelley.n1bug@gmail.com>
Date: Sun, 08 Mar 2009 07:31:53 -0400
List-post: <amps@contesting.com">mailto:amps@contesting.com>
walnutcreek@appstate.net wrote:
> Do you have a diagram and parts list for the OP amp circuit that you 
> use?  I've an old Hunter 2000C I'd like to build this circuit for.

I don't, but it's very very similar to K5AM's circuit in the article 
he referenced:

>  > "Overload Protection for High Voltage Power Supplies"
>  > posted for download at www.zianet.com/k5am.

I think I used an LM311 comparator and a PN2222A transistor because 
I have a lifetime supply of both and they were adequate for the 
application.

I am now in the process of drafting schematics for all the stuff 
I've built over the years. This could take a while! Should have done 
it as I went, of course, but I tend to move from one project to 
another too fast to finish the paperwork.

73,
Paul N1BUG
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