[Amps] Pi vs Pi-L

[R.Measures]

Thanks for saying it, Peter.  One of the more interesting things about 
VHF is that a conductor's surface area has more to do with Q than does 
it's S/cm^3 conductivity.  For example, at 1Hz, Ni-Cr alloys have about 
50x more resistance than Ag or Cu, however, at 50MHz, they only have 
about 5.5x more resistance.  This realization is important when 
designing a low-Q VHF suppressor -- i. e., one that will substantially 
reduce VHF amplification in an HF amplifier by reducing the VHF Rp seen 
by the anode.  (Rp = parallel-equivalent R) .
end

On Feb 1, 2006, at 10:48 AM, peter.voelpel wrote:

>
> Mike,
>
> How much better will be Q and how much less will be losses
> by silverplating HF tank components?
> On 2m amps I measured no difference at all before and after plating
>
> 73
> Peter
>
> -----Original Message-----
> From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] 
> On
>
> Silver plating of the tank components will help Q and reduce losses as 
> well.
>
>
> _______________________________________________
> Amps mailing list
> Amps at contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
>

Richard L. Measures, AG6K, 805.386.3734.  www.somis.org