Re: LF: OPERA OPTICAL BEACON (way off topic) but is based on 17 K

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Re: LF: OPERA OPTICAL BEACON (way off topic) but is based on 17 K

from [Stefan Schäfer]

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Subject:	Re: LF: OPERA OPTICAL BEACON (way off topic) but is based on 17 KHz :)
From:	Stefan Schäfer <[email protected]>
Date:	Thu, 25 Oct 2012 12:21:20 +0200
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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

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LF: OPERA OPTICAL BEACON (way off topic) but is based on 17 KHz :), Graham Re: LF: OPERA OPTICAL BEACON (way off topic) but is based on 17 KHz :), Markus Vester Re: LF: OPERA OPTICAL BEACON (way off topic) but is based on 17 KHz :), Graham Re: LF: OPERA OPTICAL BEACON (way off topic) but is based on 17 KHz :), Markus Vester Re: LF: OPERA OPTICAL BEACON (way off topic) but is based on 17 KHz :), Graham Re: LF: OPERA OPTICAL BEACON (way off topic) but is based on 17 KHz :), Stefan Schäfer <= Re: LF: OPERA OPTICAL BEACON (way off topic) but is based on 17 KHz :), Graham Re: LF: OPERA OPTICAL BEACON (way off topic) but is based on 17 KHz :), M0FMT Re: LF: OPERA OPTICAL BEACON (way off topic) but is based on 17 KHz :), Graham Re: LF: OPERA OPTICAL BEACON (way off topic) but is based on 17 KHz :), M0FMT Re: LF: OPERA OPTICAL BEACON (way off topic) but is based on 17 KHz :), henny Re: LF: OPERA OPTICAL BEACON (way off topic) but is based on 17 KHz :), Graham

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