First off for those wanting a KPA-1500, might consider combining two KPA-500 for 1000w (much easier and cheaper). Otherwise, it makes more sense to design a new 1200w amp around the new LDMOS devices ($250 range). Designs are being done for 6m/2m/432 with the Freescale LDMOS and some folks are starting to market them.
OK, 600 meters: I will assume the writer is not into building his own. The easiest route to operating on the new 472-479 KHz ham band (not approved until after Jan-1, 2013 by WRC), is to buy the KX3. We have heard Wayne state it will be able to operate there. I can possible satisfy the 100w goal as I may offer an 600m amplifier based on the AN-762 kit from CCI. See my "kits by KL7UW" link. I also show how one can make their own low-level transverter to take the output of the K3 running in TEST mode on 10.472-10.479 MHz to 472-479 KHz: http://www.kl7uw.com/600m.htm scroll down to the date tag: "March 17, 2011". That will require building a couple amplifier stages to get to 1w drive for a AN762: http://www.communication-concepts.com/new_page_10.htm Even though I built this transverter, I will be using my KX3! 73, Ed - KL7UW ------------------------------ Message: 16 Date: Tue, 21 Feb 2012 17:44:14 -0600 From: Nate Bargmann <[email protected]> Subject: Re: [Elecraft] cheerful thought for the day To: [email protected] Message-ID: <[email protected]> Content-Type: text/plain; charset=iso-8859-1 * On 2012 21 Feb 16:58 -0600, Doug Smith [W7KF] wrote: > So, as it turns out, we *really* do need the KPA-1500! ;-) I'd rather have the 100 Watt 600m transverter. ;-) 73, de Nate, N?NB >> 73, Ed - KL7UW, WD2XSH/45 ====================================== BP40IQ 500 KHz - 10-GHz www.kl7uw.com EME: 50-1.1kw?, 144-1.4kw, 432-QRT, 1296-?, 3400-? DUBUS Magazine USA Rep [email protected] "Kits made by KL7UW" http://www.kl7uw.com/kits.htm ====================================== ______________________________________________________________ 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
