Actually - after toasting my internal KBT2 by overcharging with an uncontrolled solar panel (hint hint... words for the wise) - I bought a $50 MityMite 12Ah battery/charger from Autozone. I plug it in to charge when I'm not on the air, and then I unplug the charging cord, and turn on the radio and have RFI free operation (well - at least free of Power Supply related RFI).
I think Elecraft might do well do design a matching UPS/PS for the K2 & K2/100. It could utilize a smaller - well designed power supply that acts primarily as a charger for an internal 25+ Ah battery that is used to power the K2. It could go into an EC2 enclosure - and possibly have a forward facing speaker and digital readout of battery voltage readout and/or charger & battery status LEDs (rapid charge, float charge, low-voltage disconnect). Another option might be a connection in the back for a solar panel or other 'high voltage DC' input (high voltage being 15-24V). - Daniel AA0NI --- Hank Kohl K8DD <[EMAIL PROTECTED]> wrote: > OK .... here's the new program! > > > > Supplies with real transformers can cause hum in the K2 > Supplies with switching can cause birdies in the K2 > > What's the option? No power supply? > No power supply, No hum, No birdies, No problem? > Well, the sensitivity goes to Hell in a handbasket. > > The solution? > The new K2-PSQ and K2-PSH _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
