Hi Wayne, I think it's a great idea, but the major appeal would be if you also could offer an ultra-portable "KXXV" transverter series to go with this. My thought is something maybe half the size of the KX3, with room for several transverter modules, like 2m, 70cm, 4m, etc. Ideally with 5W+ output on all of those, and ideally with EXT Power (also in the KXXV3) from the KX3 so you'd just have to hook up a single power supply to the KX3.
73, Thomas M0TRN On 25 September 2012 03:06, Wayne Burdick <n...@elecraft.com> wrote: > Hi all, > > We've had a couple of requests for a 0-dBm transverter I.F. module for > the KX3. Normally the lowest power level the KX3 can put out is 0.1 > watts, so the I.F. module would drop the signal by 20 dB. Such a > module could easily be designed, but there's one catch (I'll get to > that). > > A composite RF detector on the module would provide accurate > measurement of the RF output signal level from about -10 to +2 dBm, > probably). The KX3's normal TUNE power display in watts would change > to milliwatts and dBm rather than watts and SWR. (The K3 does the same > thing when a KXV3 module is in use.) > > An SMA connector on the right side panel would serve as the > transverter I.F. input/output. There would *not* be both RX and TX > jacks, so all external transverters would have to have their own T/R > path switching. We would provide a DC voltage on the SMA output jack > (some transverters use this for signaling). > > We also plan to do transverter band switching via the GPIO signal on > the ACC2 jack. This could control Elecraft XV-series transverters. The > other pin on the ACC2 jack is a keying output which many transverters > also need. Note that the XV-series can use a 0.1-watt I.F. signal, so > technically a KXXV3 is not needed in that case. But the KXXV3 would > allow you to keep an HF antenna connected to the BNC antenna jack > while transverters are connected to the SMA jack. It would also > provide better control over the drive level on bands where you've > selected the 0-dBm output. > > The KX3 has up to 9 programmable transverter band displays, and a > choice of 40/20/15/10/6 meters as the I.F., selected on a per- > transverter-band basis. 10 meters is used for most trnasverters. > > Here's the catch: > > The only place such a module could go would be the same place where we > plan to mount the 2-meter transverter, so the two would be mutually > exclusive. > > Please let me know if you could definitely use a KXXV3. If there's > enough interest we'll add it to the list of future options. > > 73, > Wayne > N6KR > > > > ------------------------------------ > > Yahoo! Groups Links > > <*> To visit your group on the web, go to: > http://groups.yahoo.com/group/KX3/ > > <*> Your email settings: > Individual Email | Traditional > > <*> To change settings online go to: > http://groups.yahoo.com/group/KX3/join > (Yahoo! ID required) > > <*> To change settings via email: > kx3-dig...@yahoogroups.com > kx3-fullfeatu...@yahoogroups.com > > <*> To unsubscribe from this group, send an email to: > kx3-unsubscr...@yahoogroups.com > > <*> Your use of Yahoo! Groups is subject to: > http://docs.yahoo.com/info/terms/ > > ______________________________________________________________ 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
