--===============1619121647== Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by pch.mit.edu id m3IIVb5r002419 =20 Well, It's an inductive charging system that requires 50W at output, due = to possibly low coupling issue, a continuous 15-20A will be required > Date: Fri, 18 Apr 2008 13:44:04 -0400> From: microbrix@gmail.com> To: p= iclist@mit.edu> Subject: Re: [EE]how does a power supply provide current = limiting function> > > Would you recommend any stable and trustable power= supply brand? I need about 12-15V DC adjustable and 15-20A at output.> >= > What are you running with it?> > For my ham gear, I use a 12V gel batt= ery, and a 3A power supply which> is adjusted to the batterys float charg= e voltage. The assumption is> that while I need >10A during transmit, I d= on't actually need to> transmit all that often. I can do 50% duty cycle f= or several hours,> draining the battery, and the power supply refilling w= hat it can while> I listen, and when I turn it off, the power supply comp= letes the> battery charge.> > Different solutions for different problems!= :)> -- > http://www.piclist.com PIC/SX FAQ & list archive> View/change y= our membership options at> http://mailman.mit.edu/mailman/listinfo/piclis= t _________________________________________________________________ =B6=E0=B8=F6=D3=CA=CF=E4=CD=AC=B2=BD=B9=DC=C0=ED=A3=AClive mail=BF=CD=BB=A7= =B6=CB=CD=F2=C8=CB=C7=C0=D3=C3=D6=D0 http://get.live.cn/product/mail.html --===============1619121647== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Disposition: inline Content-Transfer-Encoding: 7bit -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist --===============1619121647==--