I see no way that would limit current. That is the workings of an SCR, which is
an on/off device.  I have used an identical circuit many times (in fact I have
a patent on using such a configuration as a PUT) in place of a low voltage scr
or put.

Marshall

Dave Lewis wrote:

> Hi all,
> A colleague of mine has come up with this useful circuit.  It limits to
> current to just under 1ma, but if you change the value of R1, you should be
> able to set the current to what you like (within reason!).  Don't get too
> hung up if you can't find the correct transistors, just make sure they are
> bipolar and PNP and NPN as per the diagram.
>
> Dave.
>
>   ------------------------------------------------------------------------
>                   Name: I limit.gif
>    I limit.gif    Type: GIF Image (image/gif)
>               Encoding: base64


--
The Silver List is a moderated forum for discussing Colloidal Silver.

Instructions for unsubscribing are posted at: http://silverlist.org

To post, address your message to: [email protected]
Silver List archive: http://escribe.com/health/thesilverlist/index.html

Address Off-Topic messages to: [email protected]
OT Archive: http://escribe.com/health/silverofftopiclist/index.html

List maintainer: Mike Devour <[email protected]>