We use relays where we need high isolation and essentially zero loss, such as band-pass and low-pass filters. We use PIN diodes or CMOS switches where they won't have any negative impact. In particular, we use heavily biased PIN diodes in all of our transceivers' T/R switches.
73, Wayne N6KR On Nov 22, 2014, at 6:35 AM, brian <[email protected]> wrote: > Looking at the schematics, there seem to be a ton. > > Guess electromechanical devices are not dead yet. > > 73 de Brian/K3KO > ______________________________________________________________ > 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 > Message delivered to [email protected] ______________________________________________________________ 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 Message delivered to [email protected]
