And that would be a great way to do it Ed, easy on the equipment and with proper fusing, complete protection forthe radio, and the house.
Have a great day, --... ...-- Dale - WC7S in Wy > Date: Tue, 26 Feb 2013 23:49:19 -0900 > To: [email protected] > From: [email protected] > Subject: Re: [Elecraft] K3/0 power > > I have checked many of these "wall warts" and unloaded many so called > 12v unit output as high as 18v. They seem to be a simple transformer > and diode if rated for dc. > > One way they can safely be used with a varying load is to charge a > battery which then powers the electronics. A battery looks like a > big capacitor to such supplies and provides a constant load plus > filters out ac ripple. Added plus is the equipment is provided with > emergency power for short outages. > > I run my 10-MHz station frequency standard (OCXO) with a wall wart > charging a Powersonics 17AH battery. Ensures that the OCXO is not > frequency modulated by small ripple voltage, plus the OCXO is > stabilized since it runs 24/7. > > 73, Ed - KL7UW > > ______________________________________________________________ > 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
