Yes , correct , laptop supplies are often RF noisy. Sent from my iPhone 4
"Fred Townsend" <ftowns...@sbcglobal.net> 於 2012年9月18日 下午2:04 寫道: > Jeff, caution. Laptop power external supplies are designed to be followed > by precision internal regulators that handle the logic voltages and charging > the battery. The external supplies are not well regulated and can be quite > noisy. They may not be the best supplies for ham rigs. > 73 > Fred, AE6QL > > -----Original Message----- > From: elecraft-boun...@mailman.qth.net > [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Jeff Herr > Sent: Monday, September 17, 2012 6:40 PM > To: 'Elecraft Reflector' > Subject: [Elecraft] laptop power supply to power KX3 > > While at work I went through our stock of power supplies for the various > makes of laptops we use. > I found that Toshiba supplies are specified 15v and ranged in current > capability from 2.5 amps and up. > > Dell, Lenovo, HP, Acer, Asus all use 19v supplies. > > Those Toshiba supplies are very small. > > WW6L > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > 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:Elecraft@mailman.qth.net > > 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:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html