Somebody wrote (sorry, the direct message didn't arrive here):
>> Do you have a schematic for such an "accelerator" circuit or can you
>> point me at one in the published literature?
>http://www.somis.org/D-a-07B.jpg
>
>Paul, W9AC
There is also a circuit originated by K1KP, and publicized by K6XX,
which does not need a high voltage rail. It works directly from the
relay's existing supply rail.
This whole thing is a race against time to avoid hot-switching, so it's
vital not to waste valuable milliseconds using a relay-driven PTT output
from the transceiver. It's got to be the fast solid-state output.
The version of the K1KP/K6XX on my website includes a low-voltage
interface that will work with even the wimpiest solid-state output.
http://www.ifwtech.co.uk/g3sek/in-prac/best-of.htm#speedup
--
73 from Ian GM3SEK
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