I’ve got a Bioenno Power BLF-1212WS (LiFEPo4) sitting here on my desk, being charged by their supplied 117v charger, model FY1502000 switching power supply. It makes zero hash or crud on my KX3, K3, or SoftRock Ensemble RXTX (40,30, 20 meter version). No ferrite donuts wound on my leads. What power supply are you using?
> On Monday, Dec 21, 2015, at Monday, 1:54 PM, Jim Sheldon <w...@cox.net> > wrote: > > Yes. Also, their charger has a common mode choke, ala computer cables on it. > Unknown mix, but it's next to useless. I put a multi turn choke of 31 mix > on the output of the charger. No luck. The radiation is mostly out of the > case and coupled to the AC cord. Chokes there didn't do much either. I even > made sure the outlet it was plugged into was on the opposite phase from the > radio's DC supply. Ran the KX3 on internal batteries while the LiFePo > battery was being charged and the RFI was still over S7. Totally > unacceptable IMO. > > Jim > > Sent from my iPad > >> On Dec 21, 2015, at 3:15 PM, James Bennett <w6...@me.com> wrote: >> >> Has anyone experiencing these RFI problems tried passing the power cable >> through a large mix 31 donut to see if the noise is eliminated? Worth a shot… >> >> Jim / W6JHB >> >> >>> On Monday, Dec 21, 2015, at Monday, 1:00 PM, Marc Veeneman >>> <mhv...@gmail.com> wrote: >>> >>> Which one? I didn't like the EMI from the 10 amp model but could live with >>> it if absolutely necessary. >>> >>> I've been talking to them about the problem hams have with noise and we >>> might convince them to sell quieter LiFePO4 chargers. >>> -- >>> Marc. SDG >>> >>>> On Dec 21, 2015, at 3:51 PM, Jim Sheldon <w...@cox.net> wrote: >>>> >>>> Unfortunately, my experience with Bioenno's chargers is that they are >>>> EXTREMELY RFI noisy. In the same house with my KX3 the noise was over S9! >>>> >>>> Sent from my iPad >>>> >>> ______________________________________________________________ >>> 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 >>> Message delivered to w6...@me.com >> >> ______________________________________________________________ >> 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 >> Message delivered to w...@cox.net ______________________________________________________________ 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 Message delivered to arch...@mail-archive.com
