[CW] Code Oscillator CPO was: Request for help

Ed Tanton n4xy at comcast.net
Tue Feb 7 17:58:10 EST 2012


Yeah me too.

Ed Tanton
 
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-----Original Message-----
From: cw-bounces at mailman.qth.net [mailto:cw-bounces at mailman.qth.net] On
Behalf Of Frank
Sent: Tuesday, February 07, 2012 3:03 PM
To: CW Reflector
Subject: Re: [CW] Code Oscillator CPO was: Request for help

N5DWI wrote:

>
> One of my favorite XMTRs is a homebrew QRP job using a single 6AQ5-A.
> Abt 4-5W.  Cathode keyed oscillator.  Has a pronounced chirp.  
> Other ops say it really helps cut thru the QRM.  Even thru deep QSB.
> Also, I can cpy chirp sigs easier then pure tones.

When I first got my license we used to look for chirpy signals because they
usually belonged to DX stations.

As to the code practice oscillator,  just tune the receiver to a carrier and
key one side of the line going to the headphones.
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