----- Original Message -----
Sent: Thursday, October 25, 2012 12:21
PM
Subject: Re: LF: OPERA OPTICAL BEACON
(way off topic) but is based on 17 KHz :)
Am 25.10.2012 01:34, schrieb Graham:
[...]
fsk , of course , but simplicity is the
object , switching the (led) light off
and on could reduce the duty by
50% where heat is a problem ,
[...]
Why should it be an
advantage to reduce the duty cycle to 50% and where do you expect heat
problems when driving a LED?
Yes there are some high power modules but
even 10W power dissipation should be managable for everyone.
73,
Stefan/DK7FC
No virus found in this incoming message.
Checked by AVG -
www.avg.com
Version: 8.5.455 / Virus Database: 271.1.1/5352 - Release
Date: 10/24/12 18:37:00