Hi, I may have missed some messages
Message: 11 Date: Sat, 12 May 2007 03:04:02 +0200 From: Sverre Holm <[EMAIL PROTECTED]> Subject: Re: [Elecraft] Tayloe mixer, was H mode mixer To: [email protected] Message-ID: <[EMAIL PROTECTED]> Content-Type: text/plain; charset=us-ascii WB6QRN wrote: > And just to confuse things even more, what about the Tayloe mixer? I don't know about the H-mode mixer, but the Tayloe mixer has been patented by Motorola. "Product detector and method therefor" was filed in 1998 and granted in 2001 as US patent 6,230,000. See <http://www.google.com/patents?id=FsIGAAAAEBAJ&dq=US+6230000> > The origin of the Tayloe mixer has been questioned several time on this side of the pond. > In the 70s in Technical Topics column of Radio Communication, or at that time still called RSGB Bulletin, a similar circuit was published by a G-Ham. It was an SSB Modulator for an HF phased transmitter. It used CMOS ICs. I do not remember if it did use CD4053 or something similar. The improvement on the Tayloe mixer came with the use of FST3253 73 Gian I7SWX 73 Gian I7SWX 73 Sverre LA3ZA ____________________________________________________________________________________ Don't get soaked. Take a quick peak at the forecast with the Yahoo! Search weather shortcut. http://tools.search.yahoo.com/shortcuts/#loc_weather _______________________________________________ Elecraft mailing list Post to: [email protected] 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
