Dell makes a AD-4214N power supply that is about the same thing... that you can find at the flea markets for almost nothing...
Dr. William J. Schmidt - K9HZ / J68HZ/ 8P6HK/ ZF2HZ Owner - Operator Big Signal Ranch Staunton, Illinois email: b...@wjschmidt.com -----Original Message----- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of W4SK Sent: Saturday, December 22, 2012 3:25 PM To: mzil...@verizon.net; Jim Sheldon Cc: Elecraft Mailing List Subject: Re: [Elecraft] KX3 - inexpensive - 14 volt @ 4 amp P/S And they're sold out. ________________________________ John T. Gwin jtg...@comcast.net judgejohng...@wilsoncountytn.com ----- Original Message ----- From: "Matt Zilmer" <mzil...@verizon.net> To: "Jim Sheldon" <w...@cox.net> Cc: "Elecraft Mailing List" <elecraft@mailman.qth.net> Sent: Saturday, December 22, 2012 2:05 PM Subject: Re: [Elecraft] KX3 - inexpensive - 14 volt @ 4 amp P/S > Most in this class of PSU use PTCs, not fuses. > > 73, > matt W6NIA > > On Sat, 22 Dec 2012 13:08:27 -0600, you wrote: > >>Hi all you KX3 guys, >> >>After Chuck, KE9UW posted the link to this little 14 volt supply on eBay, >>I ordered one and said I'd report back after it came in. Got it this >>morning and measured the output voltage. Mine sits right at 13.8 volts, >>so I immediately hooked it up to the KX3. Full load with the KX3 key down >>putting out 12 watts, the thing sits pretty much rock solid at 13.6 and >>key up it goes back to 13.8 and stays there so it's got good regulation >>and will handle the rig nicely. The power cord is ferrite choked right >>where it comes out of the supply and the plug, even though it isn't a >>right angle one, fits the KX3's power jack perfectly. >> >>Next, I started looking for birdies using the KX3 with a 4" pickup loop I >>made with a BNC to double binding post adapter. The P/S box has an LED >>indicator on it and with the loop laid on the case near the LED, I got >>some pretty loud broadband noise that covered everything from 160-6 >>meters, but fell off and was undetectable with the loop 4 inches from the >>box. I ran through each band individually and could find no birdies >>attributable to this power supply in any ham band 160-6 meters. This was >>confirmed by shutting the supply down whenever I found noise or carrier >>type birdies and they stayed where they were. >> >>For less than 9 bucks this supply appears to be really pretty decent to >>carry along. It has at least a 3 foot AC cord that plugs into the box and >>the output cord is very close to 5 feet long so you have a lot of leeway >>in P/S placement. According to the specs shown on eBay, it has both over >>current and over voltage protection. I didn't short out the plug to find >>out if it shut down would blow an internal fuse as the supply is sealed >>and I didn't want to chance ruining it before getting a chance to take it >>on a trip. >> >>I've been using it this morning to power the KX3 on the bench and hanging >>out around 14.060 looking for QRP contacts. The KX3's voltage monitor is >>indicating right at 13.8 volts and .250 milliamps of current. Backlight >>is on, audio set to 20 with VFO noise reduction on, RX isolation on and >>the 20db preamp is on so 250 milliamps is just about right for current >>draw at 13.8V. >> >>Pretty decent lilttle supply for the money and RF wise, it's extremely >>quiet compared to some I've seen. >> >>Jim - W0EB >> >> >> >> >> >> >> >> >>> I use this one...14 volts, 4 amps. The plug on it fits the KX3 and >>> the open ckt voltage is 14 vdc exactly. >>> >>> http://www.ebay.com/itm/KSAS065-65W-Adapter-power-supply-Output- >>> 14Vdc-4A-2-1mm-plug-NEW-FREE-SHIP- >>> /261135859531?pt=US_Monitor_Power_Supplies&hash=item3ccce8ff4b >>> >>> Chuck, KE9UW >>> Lionel Trains, TCA, LCCA, LRRC >>> aka Jack, BMW Motorcycles BMWMOA #224 >>> >>______________________________________________________________ >>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 > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2012.0.2221 / Virus Database: 2637/5478 - Release Date: 12/22/12 > ______________________________________________________________ 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 ----- No virus found in this message. Checked by AVG - www.avg.com Version: 2013.0.2805 / Virus Database: 2637/5978 - Release Date: 12/22/12 ______________________________________________________________ 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
