[Amps] Voodoo death rays from amplifier windows

[Ed Briggs]

Very good.

For my edification, how does one calculate the circulating harmonic current?

Also, the c in dBc refers to?

(and how does this compare to voodoo death rays from planet 9)

Thanks much

Ed
----- Original Message ----- 
From: <RFlabnotes at aol.com>
To: <amps at contesting.com>
Sent: Thursday, March 04, 2004 5:57 PM
Subject: [Amps] Voodoo death rays from amplifier windows


> I have calculated the magnitude of the circulating harmonic currents in
the
> tank coil of a typical PI-NET amplifier (Q=9) and found them to be well
under
> -60dbc from 7f and up. Since the field of the tank coil would be the
likeliest
> contributor of VHF death rays due to its large external field, this is a
good
> first approximation for resolving the issue.
>
> P.S. I have always used very fine mesh screen for the window, which is
also
> what many commercial TX mfrs. have done throughout the past. It gives an
even
> more etherial view of nice glowing anodes than window screen. It is
availiable
> in any quantity, mesh, and material (copper, bronze, SS, fiberglass. etc.)
> from McMaster-Carr.
>
> 73
> Eric von Valtier K8LV
> _______________________________________________
> Amps mailing list
> Amps at contesting.com
> http://lists.contesting.com/mailman/listinfo/amps