Thank you for your responses, Wayne ; comments on your text. Envoyé de mon iPhone
> Le 16 juin 2014 à 20:37, Wayne Burdick <[email protected]> a écrit : > > "Jack.f6ajw" <[email protected]> wrote: > >> I have some questions regarding my new KX3 (I love it!). >> >> 1) how could I use my KX3 on 472 kHz (new band freshly opened in France) in >> transmit mode even at low power like on a TS-590? > > The KX3 doesn't have sufficient filtering for transmit at 472 kHz, nor much > gain at this frequency in the PA. I would suggest using an external > transverter for this band. For receive-only use, you could add a 500-kHz > low-pass filter to eliminate any images due to local oscillator harmonics. RR, so usable only in receiving mode and with external filter but no luck for TX without external transverter. > > >> 2) regarding the 2 meter option for KX3 (which will be available in >> September, as far as I know), I would like to use it with DB6NT Microwave >> transverters which could be controlled in TX mode thanks to a + TX voltage >> of 5 to 12 V on the inner conductor of SMA antenna with a very low current >> (to the base of a low-power switchîng transistor). My FT-817 was modified >> this way on BNC output injecting +5V TX through a 4.7kR and a 1nF in order >> to prevent DC to enter receiver. > > Yes, the KX3-2M (and -4M) module will include a switchable DC voltage at the > antenna. Very good! 4m version will be interesting for Hams in euro pin some cou tries which have 4m allocation. Except IC-7000 and may be FT-847, no dedicated 4m transceiver is available so congrats > > >> 3) same question regarding BNC output as 28 or 50 MHz could be also used as >> IF for 70 / 23 cm transverters . > > Sorry, there's no provision for DC at the BNC output of the KX3. > > 73, > 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]
