Re: Fwd: New Sherwood report

Posted by Barry N1EU on Dec 02, 2010; 12:32pm
URL: http://elecraft.85.s1.nabble.com/Fwd-New-Sherwood-report-tp5793377p5795818.html

Are you saying that wide sidebands measured with the rig at 4msec rise-time are probably not going to be even wider with the rig at 1 msec rise-time?

Barry N1EU

Kok Chen wrote

On Dec 1, 2010, at 5:59 PM, Barry N1EU wrote:

> It's absolutely amazing, after years of Yaesu being called out and doing nothing about key clicks in their rigs, that they would bring out a radio
> (FT-5000) and provide the user the ability to reduce the cw rise-time to 1 msec (menu mode, cw group, 063 A1A Shape).  Just incredible.

The rise time by itself is not the important factor --  what is much more important are first and second order discontinuities, and even higher order discontinuities.