Luc and all,
I have been informed that simply clicking the link I sent may give a 404
error because somehow a period is picked up as part of the link.
Simply remove the period and it will work fine.
73,
Don W3FPR
On 12/13/2020 12:13 PM, Don Wilhelm wrote:
Luc,
The short answer is that will not work.
What you need is an open circuit on receive and a short to ground during
transmit.
Take a look at the K2(BASIC) External T-R Relay Driver on Tom Hammond's
(SK) website http://www.mmccs.com/mmarc/n0ss/index_k2.html. Kits are
now available from Dave W8FGU d...@w8fgu.com, but the circuit is easy to
build on perfboard - just follow the full size layout Tom put into his
instructions. I have done that several times.
73,
Don W3FPR
On 12/13/2020 5:57 AM, Luc Favre wrote:
Hi,
I own a QRP-K2 with the KIO2 installed.
I want to PTT key a KXPA100 (not KPA100).
May I connect Pin9 from KIO2 (8V in receive mode and 0V in transmit
mode) directly with the PTT-IN connector on the KXPA100 (5V receive, 0
V transmit) ? Maybe with a diode (cathode KIO2, anode KXPA100) ?
Thank you for advice
73
Luc F6HJO/HB9ABB
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