I have been so pleased with my XV50 that I have just started using on 6m, that I would jump at the chance to buy an XV70 to be QRV on 70MHz. Please Elecraft, think seriously about producing one.
73 de Chris, G4BUE On 13 Jul 2006 at 9:45, Allan Duncan wrote: > I have been very pleased with My K2 which I purchased at Dayton back > in > 2005. So pleased, that I have persuaded a few others to take the > plunge and > build K2s, here in the UK. > > I have been looking at the feasibility of building an Elecraft XV50 > for the > 70MHz band to use with my K2. Interest in this band is mushrooming > in > Europe with new countries gaining 70MHz allocations almost on a > monthly > basis. ( http://www.70mhz.org ) > > The modifications required would seem to be fairly straightforward > but I > have no illusions to be an RF design engineer! > > The Mitsubishi RA30H0608M power module would be a drop in > replacement for > the M57735 (using the XV144s biasing circuit). There would need to > be a few > L and C value changes in the TX LPF and the mixer BPF too. The LO > would have > to be changed to 42MHz (from 22MHz). I am a bit confused on the > choice of > driver SGA7489 in the XV50, ERA-5 in the XV144 and back to the > SGA7489 in > the XV222. Presumably the SGA7489 would be OK at 70MHz? > > Has anyone on the list already done all of the above? I have no > wish to > re-invent the wheel. I would be pleased to hear of the component > values > required. There does not appear to be anything specific in the > archive. > > Whilst I am aware that Elecrafts core market is in the US and > Canada, I > think they are missing an opportunity to create a successful new > product for > a very minimum of R&D effort. I think an Elecraft XV70 would do > well in > Europe as there is a lack of any competition for equipment on this > rapidly > expanding band. The XV series have very flexible interfacing and I > am sure > would prove a popular way for stations to get on the band with > their > existing HF transceiver. > > It may even encourage a few more European VHF hams to go on and > build a K2 > as well! > > 73 > > Allan > GM4ZUK > > > > > > _______________________________________________ > Elecraft mailing list > Post to: Elecraft@mailman.qth.net > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com > _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
