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<P><IMG SRC="logo-colognechip.gif" ALT="Logo Cologne Chip" width="230" height="121"><BR><br>
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<td BACKGROUND="bar-middle.jpg" HEIGHT=60><FONT FACE="Arial,Helvetica"><FONT SIZE="+1"><FONT COLOR="#FFFFFF">ISDN Type Approval</FONT></FONT></FONT></TD>
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<P>Check the excellent measurement results of Cologne's ISDN controller chips at ISDN Type Approval!<P>
<A HREF="hfc-s-mini-approval.pdf" TARGET="_top">ISDN Controller Chip "HFC-S mini"<BR>
at 3.3V supply power</A><P>
<A HREF="hfc-s-usb-approval.pdf" TARGET="_top">ISDN Controller Chip "HFC-S USB"<BR>
at 3.3V supply power</A><P>
<A HREF="hfc-s-pci-approval.pdf" TARGET="_top">ISDN Controller Chip "HFC-S PCI"<BR>
at 5V supply power</A><P>
<A HREF="hfc-sp-approval.pdf" TARGET="_top">ISDN Controller Chip "HFC-SP"<BR>
at 5V as well as 3.3V supply power</A><P>
<A HREF="hfc-8s-4s-approval.pdf" TARGET="_top">ISDN Controller Chips<BR>
"HFC-4S" and "HFC-8S"</A><P>
<A HREF="hfc-e1-approval.pdf" TARGET="_top">E1 Primary Rate Controller Chip "HFC-E1"</A><P>
More information can be obtained at Cologne Chip.<BR><BR>
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