[nos-bbs] PTT protection circuit (finally found it) !

[M Langelaar]

Sorry, Maiko / VE4KLM

On 28/01/2022 8:47 p.m., M Langelaar wrote:
> Happy Friday !
>
> I found a very interesting circuit recently, see further below, an 
> article from
> the year 2002, by Roger Barker (SK), talking about circuit from G8AMG.
>
[snip]