PCB layout

<body topmargin=0 leftmargin=0 marginheight=0 marginwidth=0> <table cellpadding=0 cellspacing=0 border=0><tr> <td valign="top" height=82 BGCOLOR="#006699" TEXT="#080000"> <div> <FONT SIZE="5" COLOR="#FFFFFF" FACE="Arial" ><B>JBVM Delemarre</B></FONT><B>     |</B><A HREF="id49.htm" TARGET="_top" TITLE="This is the English part of my home page"><U><B> Home</B></U></A></div> <div> <A HREF="id54.htm" TARGET="_top" TITLE="NiCad charger, switch mode."><U>NiCad charger, switch mode.</U></A>   |   <A HREF="id56.htm" TARGET="_top" TITLE="NiCad charger, switch mode schematics."><U>NiCad charger, switch mode schematics.</U></A>   |   <B>PCB layout</B>   |   <A HREF="id58.htm" TARGET="_top" TITLE="Component placement"><U>Component placement</U></A>   |   <A HREF="id59.htm" TARGET="_top" TITLE="Parts list"><U>Parts list</U></A></div> <div> </div> </td> </tr><tr> <td valign="top" height=398 BGCOLOR="#FFFFFF" TEXT="#080000"> <div> <I>PCB layout</I></div> <div> Printed circuit as seen from the component side! Exact size can be deduced from the pin spacing of the I.C.'s i.e. 2.54 mm.</div> <bR> <div> <IMG SRC="02160040.gif" border=0 width="864" height="516" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></div> <bR> <div> <B>MODIFICATION NOTE NOVEMBER 2000</B></div> <div> In order to keep the supply voltage for the CMOS IC driving the signaling LED within reasonable range on the PCB a provision is made to place a single low power voltage regulator, part 78L09A, beneath the "1"  of the designer date on the PCB. This is NOT represented in the circuit diagram or on the above PCB layout but it is mentioned in the parts list and the <A HREF="id65.htm" TARGET="_top" TITLE="Downloadable files"><U>downloadable layout </U></A>is modified accordingly.</div> <bR> <div> <A HREF="id58.htm" TARGET="_top" TITLE="Component placement"><U><B>Component placement as seen over the PCB shown above</B></U></A></div> <bR> </td> </tr></table></body>