Joe, I am familiar with Kelvin sensing, otherwise known as 4 wire or remote sensing. Its advantages are probably outweighed by the risks of misconnecting and filtering needed for RF environments. With <4 feet of 10 ga wire I don't see significant voltage drops. I prefer KISS. 73 Fred, AE6QL
-----Original Message----- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Joe Subich, W4TV Sent: Friday, October 2, 2015 12:33 PM To: Eric Swartz - WA6HHQ, Elecraft; elecraft@mailman.qth.net Subject: Re: [Elecraft] SS30DV feedback On 10/2/2015 12:33 PM, Eric Swartz - WA6HHQ, Elecraft wrote: > The SS30DV has +/- bolt terminals on the rear. The K3S is supplied > with a power cable using ring lugs for these bolts on one end, and an > APP connector for the K3S on the other. Very good! How about remote sensing terminals/connector on the next iteration of the K3/K3S - ideally on the KPA3 <G>? 73, ... Joe, W4TV On 10/2/2015 12:33 PM, Eric Swartz - WA6HHQ, Elecraft wrote: > The SS30DV has +/- bolt terminals on the rear. The K3S is supplied > with a power cable using ring lugs for these bolts on one end, and an > APP connector for the K3S on the other. > > One other note, at the 100W operating level, we do not see any > significant voltage drop across the APP conn. > > 73, > > Eric > /elecraft.com/ > > On 10/2/2015 8:53 AM, Joe Subich, W4TV wrote: >> >>> I prefer a PS with black and red connectors so I can connect any >>> cable and don´t worry about connectors. >> >> Quality *bolt* terminals will generally show less voltage drop in >> transmit than the wiping contacts like PowerPole connectors. That is >> particularly true when the PowerPoles are not assembled correctly and >> there is less than full pressure between the wiping contacts. >> >> I would prefer any power supply and transceiver with greater than 5A >> current rating use 1/4" or 3/8" stub bolted connections like the >> Astron RS-35A/RS-35M and potentially provide a voltage sense >> connection to support load sensing for supplies that support it or >> can be modified to support it. >> >> 73, >> >> ... Joe, W4TV >> >> >> On 10/2/2015 11:33 AM, Jorge Diez - CX6VM wrote: >>> Hello Matt >>> >>> Thanks for the Info. >>> >>> I have two SEC-1235M and I hate the terminal screws, I think they >>> are aluminum and I broke them if removing power cable too much times >>> >>> I prefer a PS with black and red connectors so I can connect any >>> cable and don´t worry about connectors. >>> >>> Thanks! >>> Jorge >>> CX6VM/CW5W >>> >>> -----Mensaje original----- >>> De: Matt Zilmer [mailto:mzil...@roadrunner.com] Enviado el: viernes, >>> 02 de octubre de 2015 12:13 p.m. >>> Para: Jorge Diez - CX6VM >>> CC: elecraft@mailman.qth.net >>> Asunto: Re: [Elecraft] SS30DV feedback >>> >>> Hi Jorge, >>> >>> I have both power supplies here - SS30DV and the Samlex SEC1235M. >>> >>> Except for the 1235 having voltage and current meters (the SS30 does >>> not), there is little difference in performance. One thing that >>> might affect your decision is that the 1235 has an (internally) >>> adjustable output voltage. >>> The SS30DV is fixed at 14.1V. >>> >>> I run full power with a K3 and with a KX3/KXPA100 with either power >>> supply, and no isssues found with either one. >>> >>> 73, >>> matt >>> W6NIA >>> >>> On Fri, 2 Oct 2015 09:18:32 -0300, you wrote: >>> >>>> Hello >>>> >>>> >>>> >>>> I will appreciate feedback from users of the SS30DV power supply >>>> with a >>>> K3 >>>> >>>> >>>> >>>> Are you happy with it? With full power on the K3, the SS30DV is >>>> running comfortable? IS noisy? >>>> >>>> >>>> >>>> If you compare for example with a Samlex SEC-1235M, what do you think? >>>> >>>> >>>> >>>> Thanks very much >>>> >>>> >>>> >>>> 73, >>>> >>>> Jorge >>>> >>>> CX6VM/CW5W >>>> >>>> >>>> >>>> --- >>>> El software de antivirus Avast ha analizado este correo electrónico >>>> en >>> busca de virus. >>>> https://www.avast.com/antivirus >>>> ______________________________________________________________ >>>> 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 >>>> mzil...@roadrunner.com >>> Matt Zilmer, W6NIA >>> -- >>> "Always store beer in a dark place." -R. Heinlein >>> >>> >>> --- >>> El software de antivirus Avast ha analizado este correo electrónico >>> en busca de virus. >>> https://www.avast.com/antivirus >>> >>> ______________________________________________________________ >>> 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 >>> li...@subich.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 >> eric.swa...@elecraft.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 fptowns...@earthlink.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
