Yes, the K3 can only handle key out of +200 VDC at 5A...
Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Moderator: North American QRO Group at Groups.IO. Moderator: Amateur Radio Builders Group at Groups.IO. email: b...@wjschmidt.com -----Original Message----- From: elecraft-boun...@mailman.qth.net <elecraft-boun...@mailman.qth.net> On Behalf Of James F. Boehner, MD via Elecraft Sent: Wednesday, March 29, 2023 6:55 AM To: 'Josep Torres' <ea...@aol.com>; 'Elecraft Reflector' <elecraft@mailman.qth.net> Subject: Re: [Elecraft] TL-922 Josep, Be sure to install a soft-key interface in the TL-922 before hooking it up to the K3. https://harbachelectronics.com/shop/kenwood-tl-922/sk-922-soft-key-keying-interface/ The newer rigs were not meant to handle the voltages on the older amplifier's keying circuits. I modified mine with the soft-key board and added the new capacitor block. '73 de JIM N2ZZ -----Original Message----- From: elecraft-boun...@mailman.qth.net <elecraft-boun...@mailman.qth.net> On Behalf Of Josep Torres via Elecraft Sent: Wednesday, March 29, 2023 3:03 AM To: Elecraft Reflector <elecraft@mailman.qth.net> Subject: [Elecraft] TL-922 Hi guys, Have a couple of Kenwood TL-922’s around and was thinking to connect one to a K3. Has anybody done so.? And if so, how have you done the wiring.? Got 2 K3’s (in fact I have 3 of ‘em, but one not physically at now now) and maybe one day I can use the spare one with a TL-922 from another QTH. Thanks, 73, Josep EA6BF BUG #256 - CWops #3072 - FOC #2182 (ex 1724) ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to jboehne...@yahoo.com ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to b...@wjschmidt.com ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
