I would like to use the 2.1 kHz filter for SSB TX. Elecraft any solution?
Jim SM2EKM ---------------- On 2010-01-24 19:38, Brian Machesney wrote: > Yes, I did search the archives to find out "why you can transmit through > some filters and not through others" before posting this question to the > reflector. The only "authoritative" information I found information was this > from July 2008: > > "Until further information to the contrary is available from Elecraft, you > must select the 2.7 or 2.8 filter for SSB, Data and CW transmit. The AM > transmit filter must be 6 kHz and the FM transmit filter must be 13 kHz. Any > other settings will result in failure and a ERR TXF (Error TX Filter) > message. > > See the Errata sheet that shipped with your K3. > > 73, > Don W3FPR " > To the best of my ability to discern, this does not indicate the reason for > the limitation. In fact, the phrase "until further information" and the fact > that ESSB uses a different filter than "traditional" SSB indicates to me at > least the possibility that there may be "firmware" reasons for this > limitation (like BFO alignment on TX and RX), not that there aren't also > possibly "hardware" reasons (like carrier rejection, etc.). If someone knows > the theory of the radio's operation well enough to help me understand the > limitation, I would like to be enlightened. > > So yes, I did look for the answer in the reflector archives and no, this is > not a request for Elecraft to take valuable time out from their other > activities to react to my personal "wish list." > ______________________________________________________________ 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
