Wayne One really cool optional setting would be a double-frequency output on LF/MF at ~ 0 dBm level. That would allow the K4 to drive directly some of the common push-pull class D power amp designs which require, for example, 950 kHz drive for a 475 kHz output.
73, Peter. -----Original Message----- From: [email protected] <[email protected]> On Behalf Of Wayne Burdick Sent: Saturday, 4 January 2020 12:54 AM To: [email protected] Cc: Elecraft Reflector <[email protected]> Subject: Re: [Elecraft] K4 LF & MF, K4 EXREF? > On Jan 3, 2020, at 7:22 AM, eric norris via Elecraft > <[email protected]> wrote: > > Will the K4 transmit at 136 or 472 kHz, Yes. > and if so at what power level and through which antenna port? Tentatively, up to ~5 dBm, using XVTR OUT only. > If so, at first ship or in the future? Probably first ship. > The K4 brochure shows an empty hole for XREF, will this be available at first > ship or in the future, and will it require an option board? Supplied. Wayne N6KR ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

