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 ______________________________________________________________ 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
