| To: | tentec@contesting.com |
|---|---|
| Subject: | Re: [TenTec] On Noisy Transmitters |
| From: | Jim Brown <k9yc@audiosystemsgroup.com> |
| Reply-to: | k9yc@arrl.net, Discussion of Ten-Tec Equipment <tentec@contesting.com> |
| Date: | Sun, 06 Jul 2014 13:46:33 -0700 |
| List-post: | <mailto:tentec@contesting.com> |
On 7/6/2014 1:33 PM, Jim Brown wrote: Clicks are generated by rise times that are too fast combined with intermod distortion. Another point I forgot to make in this post is that many modern rigs allow the user to adjust the keying rise time via a menu setting. In on the air tests of an IC7600, clicks went from moderate to awful as the rise time was adjusted from slow to fast, and the default setting was closer to awful than moderate. You can see these measurements in http://audiosystemsgroup.com/K6XXAmpTalk.pdf 73, Jim K9YC |
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