On Wed, 20 Feb 2008 08:28:13 -0800 (PST), Lee Butler wrote: >Augie's report on on Mr. Sherwood's remarks were quite interesting. The last >remark concerning poor transmit specifications interested me. > >>From my days in Vo-Tech Electronics in High School some 40 years ago....isn't >>Class A not very efficient? You can get more power out of class AB1 or AB2 >>but you have to keep to the linear portion of the curve to avoid distortion. >>I guess what is happening is that the rigs are not keeping to the linear >>portion of the curve because of over drive by the operator or by the >>circuitry to compensate for something or other. A linear amp has to operated >>in the linear part of the curve. Right? So, what are these rigs doing? > >If I remember correctly, isn't Yaesu's FT9000 or FT1000XXX has a button that >allows Class-A operation?
The FT-1000MP rigs have Class A capability. I always excited my Alpha 87A in that setting in both CW and SSB. I think the newer high end Yaesu rigs have it too. > >What rigs run Class A? > >How does that sound on the RX end and what do you give up on the TX end? >Power out? > >Interesting discussion with Mr. Sherwood's Data and comments. > >Lee - K0WA > > > >In our day and age it seems that Common Sense is in short supply. If you >don't have any Common Sense - get some Common Sense and use it. If you can't >find any Common Sense, ask for help from somebody who has some Common Sense. >Is Common Sense divine? >_______________________________________________ >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 Tom, N5GE - SWOT 3537 - Grid EM12jq "They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety." --Benjamin Franklin 1775 Support the entire Constitution, not just the parts you like. http://www.n5ge.com http://www.eQSL.cc/Member.cfm?N5GE _______________________________________________ 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
