The KAT500 as designed currently has two antenna outputs. The second one can be configured as balanced or unbalanced.
More as we get closer to release. 73, Eric --- www.elecraft.com On 7/12/2011 9:24 AM, Johnny Siu wrote: > Hello Eric and others, > > Business is business. While KPA500+KAT500 should first look after the > elecrafters, they should be designed in a way to attract other non-elecraft > radio users. In the circumstances, 2 exciters input + some 2-3 antenna > outputs in KAT500 should be attractive enough to many radio users. Or, I > would say this requirement is simply basic and has already been available for > other reputable linear amplifiers. > > If so unfortunate that KAT500 only has one RF input + one antenna output, I > am afraid that I have to consider other alternatives. > > I can add whatever after market switches to provide the extra antenna > selection. However, it is just simply not convenient and another mess of > cabling around the shack. > > TNX& 73, > > > Johnny VR2XMC > > 從︰ Eric Tichansky NO3M<[email protected]> > 收件人︰ [email protected] > 傳送日期︰ 2011年07月13日 (週三) 12:04 AM > 主題︰ Re: [Elecraft] KPA500 and KAT500 Ports > > Another very reasonable switch for the "kit" builder: > http://home.comcast.net/~kk1l/kk1l_2x6switch/ > > I trunk three of those from an old Sixpack for up to 18 antennas > (still have 4 unused slots!) and they've worked flawlessly. > Total cost of PCB, parts, and LMB Heeger aluminum box was perhaps > around $145. > > - eric NO3M > > On 07/12/11 11:01, WILLIS COOKE wrote: >> You know that Ameritron, Array Solutions and some others have remote antenna >> switches available at reasonable prices. Since these things take space, it >> is >> nice that they can be remote mounted, even outside in some cases. It seems a >> better solution to me than to add a kilobuck to the KPA500 price and make it >> the >> size of a small refrigerator when the requirements vary from person to person >> and the chance of pleasing more than a small portion of the users is small. >> I >> prefer the small box that is possible to take on a DXpedition or to Field Day >> and just endure the horrible pain of changing the coax when you change bands. >> The main thing that discourages me from buying an eight pack from Array is >> that >> I don't have enough antennas to keep it from being lonesome. >> >> Willis 'Cookie' Cooke >> K5EWJ& Trustee N5BPS, USS Cavalla, USS Stewart >> >> >> >> >> ________________________________ >> From: Eric<[email protected]> >> To: [email protected] >> Sent: Tue, July 12, 2011 4:57:10 AM >> Subject: [Elecraft] KPA500 and KAT500 Ports >> >> Elecrafters, Hear My Plea: >> >> The K3 has two tx antenna ports available. It seems logical to me that the >> KPA500 would have two (output) as well. But it doesn't. I would like to see >> the >> KAT500 have two antenna ports (unbalanced) to make up for this. Running the >> 6m >> output to another coax makes sense--most (all?) band decoders and relay boxes >> don't handle 6m, and the lack of a second output port on the KPA500 makes it >> difficult to manage the 6m capability of the K3 cleanly. The KRC2 will >> handle >> the band data, but does not have a compatible relay box, manual operation, or >> lights to tell you what it is doing. >> >> >> Right now my K3 sends HF to ANT1, that goes to an HF amp and to a TopTen band >> decoder and relay box. Six meters goes to ANT2 and a separate 6m amp and 6m >> antenna. >> >> >> This gives me fully auto bandswitching on HF and 6m, save for 60m where the >> TopTen decoder does not recognize 0000 as a valid address. >> >> >> With my already ordered KPA500 >> (selling both tube amps), I will have to manually switch 6m. I don't like >> this >> not because I am lazy, but the older I get the more stoopid I get and its >> just a >> matter of time before I tx into a near-infinite SWR. Knowing me, I'll do it >> repeatedly until something blows. Maybe multiple somethings. >> >> >> I'll have to rely on the KPA500 and K3 saving themselves. Not good. >> >> In my squandered pre-K3 life, i put key lockout relays and a sequencer for 2m >> EME in my system to make it failsafe and STILL blowed up the masthead preamp >> more times than I can count. >> >> >> In my opinion, the KAT500 needs two unbalanced outputs, bandmapped, for nice >> tight integration with the K3, to keep things as elegant as possible. I have >> no >> opinion on balanced output(s). >> >> >> No flames please. This is just my opinion--I could be wrong. >> >> 73 Eric WD6DBM >> >> K1, KX1, K2, K3, P3, XG3, all mini modules, Elecraft Kool-Aid I-V push STAT! >> >> KPA500 still a mere glimmer at Elecraft >> >> Sent from my&$@!? iPhone >> ______________________________________________________________ >> 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 > ______________________________________________________________ > 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 ______________________________________________________________ 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
