To add slightly to Joe's suggestion to use a SPDT relay as an alternative, if a DPDT relay is used one pole can be used to switch the signal path, and by connecting the second pole to ground the second pole can be used to ground the unused signal path - which can improve isolation (reduce crosstalk) if the ground connection to the second pole is short.
73, Geoff GM4ESD On May 20, 2010 at 4:49 PM, Joe Subich, W4TV wrote: <snip> > Another source for usable relays is Surplus Sales of Nebraska > <www.surplussales.com/Relays/rfcoaxialrelays/rfcoaxindex.html>. > Although some versions are a bit expensive, a simple 12V SPDT > relay is an attractive alternative to a manual coax switch. ______________________________________________________________ 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
