Hi Gang, I am building the Excaliber and U1 is listed as a 74AC04D .......BUT the part in the kit is a TI 92C770K....is this the same part but different mfg.? 73, Wayde K3MF -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openhpsdr.org/pipermail/hpsdr-openhpsdr.org/attachments/20120816/86b3b54f/attachment-0002.htm>