Understood. The point is that I ONLY want to talk to the RS-232 interface. No xmit or recv is needed. I'll be in a Mac programming seminar at Big Nerd Ranch. Really.
I have one of those RS supplies in the shack, powering 4 receivers that listen for railroad traffic and send it to an aggregator which supplies data to a program that graphically displays train info. So far, noise hasn't been a problem. Mike On 12/29/2011 8:56 PM, Jim Brown wrote: > On 12/29/2011 3:19 PM, Mike wrote: >> Looks like a Radio Shack 22-507 PS will meet my needs @ 3A. Unless someone >> has a >> better/cheaper solution. I have 4 20 amp (or better supplies), and don't >> need another >> of those > Current rating isn't the only spec for a power supply -- RF noise is a > VERY big deal with switching power supplies. > > Jim > ______________________________________________________________ > 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 > ______________________________________________________________ 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

