Yep and unless they've changed their design recently, all their linear regulator supplies have as their heart, the venerable '723 chip for voltage and current regulation. If I remember correctly, that IC was introduced about 50 years ago ! I know just about everybody makes 723's now, but who was the original supplier? I'm guessing Fairchild since I think it was originally the ยต723.
73, Chas -----Original Message----- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Chester Alderman Sent: Thursday, November 26, 2015 9:23 AM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] K3 / K3S Power Supply I have a RS-70A that I turned on 13 years ago; it has 'suffered' through many house power losses here in the country, but has not missed a beat over the years. Except for my amplifier, it powers everything else in my ham setup. IMO, the Astron's are unbeatable! 73, Tom - W4BQF ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
