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Re: [TenTec] Orion firmware vs keyclicks with Alpha amplifier

To: tentec@contesting.com
Subject: Re: [TenTec] Orion firmware vs keyclicks with Alpha amplifier
From: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
Reply-to: geraldj@storm.weather.net,Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Tue, 25 Jul 2006 13:22:42 -0500
List-post: <mailto:tentec@contesting.com>
On Tue, 2006-07-25 at 14:33 -0400, K4IA@aol.com wrote:
>  In a message dated 7/25/2006 1:56:11 P.M. Eastern Daylight Time,  
> wiladdamsham@yahoo.com writes:
> when in  reality, a 
> simple change makes it work flawlessly  now
> No, that is not true.  I got complaints of key clicks a kHz away on an  Orion 
> 1 using the latest and greatest software without a keying loop driving 45  
> watts into an AL572 with 700 watts out of an amp that will do 1200.
> I believe I was the first person to bring this up and it generated a storm  
> of protests that I didn't know what I was taking about because it "works  
> fine 
> here."  Subsequent posts have proven me right - the rise times and  waveforms 
> are off.  I am now using a stated rise time of 8 ms, which sounds  "soft" to 
> me but at least I haven't had anyone break into a QSO to complain.  
> Yes, the Orion software development has been a classic case of two steps  
> forward and one step back with each new release.  That is progress albeit  
> painful.
> k4ia
> Craig  "Buck"  
> Fredericksburg, Virginia  USA

Doug Smith warns of those clicks in one of his technical papers
referenced on TT's Orion page. Its titled: "On the Occupied Bandwidth of
CW Emissions" The last part of its url is: cwbandwidth1.htm

73, Jerry, K0CQ,
All content copyright Dr. Gerald N. Johnson, electrical engineer

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