LF: CLASS D E

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LF: CLASS D E

from [hamilton mal]

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To:	"rsgb" <[email protected]>
Subject:	LF: CLASS D E
From:	"hamilton mal" <[email protected]>
Date:	Mon, 5 Nov 2007 11:39:54 -0000
Reply-to:	[email protected]
Sender:	[email protected]

Hi all
Tnx to all for the information, but some of the figures do not work out. How
are the % figures measured.
One simple method is to calculate the DC input PWR in watts (I x V) then
using an RF current meter calculate the PWR out (Isq x R) let R be the norm
50 ohm D/load. Compare the two figures and calculate the Eff %
73 de Mal/G3KEV

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