<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Bruce, <div><br></div><div>In that one case, i.e., the four Mercury board case, the configuration was one Metis, four Mecury boards, one Excalibur (no Penelope). The current values reported are measured values, not theoretical values.<div><br></div><div>73, Joe K5SO</div><div><br><div><br><div>Begin forwarded message:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" color="#000000" style="font: 12.0px Helvetica; color: #000000"><b>From: </b></font><font face="Helvetica" size="3" style="font: 12.0px Helvetica">"Bruce Beford" <<a href="mailto:bruce.beford@myfairpoint.net">bruce.beford@myfairpoint.net</a>></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" color="#000000" style="font: 12.0px Helvetica; color: #000000"><b>Date: </b></font><font face="Helvetica" size="3" style="font: 12.0px Helvetica">November 9, 2011 2:50:34 PM MST</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" color="#000000" style="font: 12.0px Helvetica; color: #000000"><b>To: </b></font><font face="Helvetica" size="3" style="font: 12.0px Helvetica"><<a href="mailto:hpsdr@lists.openhpsdr.org">hpsdr@lists.openhpsdr.org</a>></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" color="#000000" style="font: 12.0px Helvetica; color: #000000"><b>Subject: </b></font><font face="Helvetica" size="3" style="font: 12.0px Helvetica"><b>Re: [hpsdr] Latest FPGA code</b></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><br></div> </div><div>***** High Performance Software Defined Radio Discussion List *****<br><br><blockquote type="cite">For a system comprising Metis, Excalibur and Penelope the current draw<br></blockquote><blockquote type="cite">from the +5v rails with :<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> One Mercury board = 1.53A<br></blockquote><blockquote type="cite"> Two Mercury boards = 2.4A<br></blockquote><blockquote type="cite"> Three Mercury boards = 3.08A<br></blockquote><blockquote type="cite"> Four Mercury boards = 3.51A<br></blockquote><br>Since the Atlas bus only has six slots, I assume the scenario with 4 Mercury<br>boards plus Excalibur, Metis and Penelope is theoretical, not measured? Or<br>was Excalibur connected "off-bus" via separate hard-wiring?<br><br>Thanks for all the hard work folks have been putting into these<br>possibilities!<br><br>Bruce Beford, N1RX<br><br></div></blockquote></div><br></div></div></body></html>