FW: SV: [AMPS]Plate choke at the antenna end instead?

Peter Chadwick Peter_Chadwick@mitel.com
Mon, 13 Mar 2000 17:17:34 -0000






> Marv says:
> 
> > I suppose the method could be extended to higher power levels by
> >employing RG-401 (7.5KV) or if that isn't available, just running some
> high >voltage / high temperature (silicone) wire through a piece of tubing
> before >fabricating the coil.
> 
> Teflon wire any better/easier?
> 
>   >I've never seen this exact circuit employed in any amateur equipment
> >nor even described in the literature.
> 
> I remember you posting that, Marv - it seems exceedingly elegant.
> 
> With the Radio Regulations demanding 10dB more harmonic rejection than the
> current European and FCC specs for new transmitters from 2003, if anyone
> is going to bother meeting them, Pi-L's won't be good enough, so a plain
> pi network and a switched simple low pass filter may be the answer. That
> makes the approach even easier than with a pi-L.
> 
> 73
> 
> Peter G3RZP
> 
> 
> 
> 

--
FAQ on WWW:               http://www.contesting.com/ampsfaq.html
Submissions:              amps@contesting.com
Administrative requests:  amps-REQUEST@contesting.com
Problems:                 owner-amps@contesting.com
Search:                   http://www.contesting.com/km9p/search.htm