[Heathkit] Amp Keying Interface?

[Robert Nickels]

Peter Markavage wrote:
> Solid-state switching is quick, quiet, and reliable.
>   
Exactly.  

Five bucks will buy a nice solid state relay that will happily switch 
your 120v amplifier from a low current DC input and give you a couple of 
KV of optical galvanic isolation for your rig to boot.   Why mess around?

For example:   
http://www.allelectronics.com/cgi-bin/category/500500/Solid_State.html    
Or your local industrial control distributor.

73, Bob W9RAN