On Oct 11, 2011, at 9:19 AM, Tom Osborne wrote:
> That runs AFSK only, doesn't it? don't think it does FSK if I'm not
> mistaken.
One of these interface manufacturers may wise up one day and include something
like K4DSP's FSKit Atmel chip (ATTiny45, $2.20 in unit quantities at Digikey)
into their boxes. It will immediately open them up so any software modem can
use hard keyed FSK (and keyed CW) with minimal jitter.
The SignaLink is popular because it is essentially plug-and-play through a
single USB cable, and it is operating system agnostic. All SignaLink has to do
is add the FSKit chip and they will get plug-and-play FSK too.
The question is whether there is a sufficient market for it, and if something
like that is worth $25 more.
One can also ask if rig manufacturers could not add an AFSK-to-FSK converter
right inside their transceiver. Especially rigs that have built-in sound cards.
73
Chen, W7AY
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