[Elecraft] Connections to K3 ant 1 & 2

[Geoffrey Mackenzie-Kennedy]

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.