If the leakage is troublesome, you can try enabling the isolation amplifier (menu setting RX ISO)
73, Matt VK2ACL. On 16/08/2012, at 1:02 AM, 須崎 純一 <[email protected]> wrote: > > Hi all, > I built KX3 kit (S/N830) up last week after fixing some errors. > As soon as trying some functions, I found it's really a direct > conversion system. A weak leaked signal was observed with another > receiver just on the watching frequency. > In my boyhood, I built Mizuho DC-701 which was a copy model of Heathkit > HW-7. DC-701 also adopted direct conversion system and my local > station could detect my receiving point. The leaked signal from KX3 is > not so strong as that of DC-701 and almost no problem. > Direct conversion with DSP system will be possibly adopted in higher > class transceiver. > DC on 2m is interesting, however, challenging. > So transverter is reasonable solution and I'm expecting the module again. > Many thanks for proposing the innovated equipment. > > The block diagram shows the transmission system is also 'direct conversion'. > The local oscillating frequency seems to be basically equal to the > transmission frequency. > Is it correct? > > Just one more twitting. The optional microphone looks something a > little cheap, because it's same as that of Chinese kit KN7Qa. > > Jun, JI1TLL > > ______________________________________________________________ > 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 ______________________________________________________________ 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
