I just measured the MDS of a production K144XV: -145 dBm. This is with the module installed in a K3. It'll probably vary slightly from one unit to the next.
73, Wayne ---- http://www.elecraft.com On Jan 8, 2010, at 2:44 AM, "Geoffrey Mackenzie-Kennedy" <gm4...@btinternet.com > wrote: > David, > > Wayne said: "It's actually more like -144 dBm (500-Hz bandwidth)." > I assume > that this refers to a K144XV installed in a K3. > > This equates to a noise figure of 3db. > > To achieve a lower noise figure, the gain used in the K144XV would > have to > be greater, which would further reduce the overall dynamic range > (IMDDR3) of > the K3 assembly on 2m. > > 73, > Geoff > GM4ESD > > > David Pratt wrote on Friday, January 08, 2010 at 9:34 AM > >> In a recent message, AD6XY <m.j.wil...@rl.ac.uk> wrote ... >>> I can not see any reference to noise figure in the brochure. Just >>> MDS and >>> FM >>> sensitivity with no bandwidth. >> >> The manual gives this as "1dB nominal". >> >> See >> http://www.elecraft.com/manual/K144XV%20Manual%20A3.pdf >> >> 73 >> -- >> David G4DMP/G3KEP >> Leeds, UK > > > ______________________________________________________________ > 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 ______________________________________________________________ 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