[ARC5] BC-221-AKs

[Richard Knoppow]

----- Original Message ----- 
From: "Kenneth G. Gordon" <kgordon2006 at frontier.com>
To: <Arc5 at mailman.qth.net>
Sent: Friday, November 23, 2012 5:15 PM
Subject: [ARC5] BC-221-AKs


> By the way, I would have thought that we did NOT want a 
> pure sine-wave output from these
> in the interests of maximum harmonic output. Am I wrong?
>
> I would have thought that the output should be as close to 
> a square-wave as possible.
>
> Ken W7EKB

     All harmonics produces a sawtooth. Square waves have 
only odd harmoncs. A triangular wave also has all odd 
harmonics but they fall off faster than for a square wave. 
The harmonics in a square wave fall off at -6db/octave, for 
a triangular wave at -12db/octave.


--
Richard Knoppow
Los Angeles
WB6KBL
dickburk at ix.netcom.com