[Elecraft] K-Line Addition - DC Power Supply (Suggestion)

[Alan Bloom]

On Tue, 2012-09-18 at 14:14 -0700, Ron D'Eau Claire wrote:
...
> I'm not sure what you mean about the regulator not being "quiet". The LM723
> is a simple linear I.C.; no switching noise and no acoustical noise. 
...

It's true that the 723 is a really ancient IC - it was designed back in
the 70's I believe.  It is also true that there are some pitfalls with
using it that can trap the unwary.  But with proper design it can be
made to work just fine.

Alan N1AL