how about making up a little relay box, power the relay (coil) from the K3 aux 
out and the other units from your PSU via the relay - then when you turn off 
the K3, the other units go off too. Don't forget a protection diode across the 
relay.
73 de M0XDF (K3 #174, P3 #108, KX3 #???)
-- 
It takes a great deal of bravery to stand up to our enemies, but just as much 
to stand up to our friends. -J.K. Rowling, author (b. 1965) 

On 19 Dec 2011, at 13:55, Giuseppe Sorrentino wrote:

> Hy to all, perhaps there's someone has already done this. I must wire the 
> microham usbIII interface to my K3/P3. Now i have the P3 that take the 13.8v 
> from the back of my K3 but also the interface has a cable to connect to that 
> jack on the back of K3. Is it a particular reason to leave the P3 cable on 
> the 13.8 conn on the back of K3 and wire the microham to a power supply or 
> nothing particular???

______________________________________________________________
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

Reply via email to