On Sat, 3 Aug 2002 23:18, you wrote: > I'll venture in here in lieu of any other responses ATTM ... > > Have you looked at products offered by ST microelectronics > and could you see something similar offered? > > Sometimes 'house numbers' are used on devices purchased > by companies BUT they are in reality simply standard > products with the purchaser's part number stamped > on it. > > Best I can do ... > > RF Jim In these situations I just look for chips that do this sort of function, then at the chip pinouts, you can usually work out gnd and V+, this can help narrow it down further, and then look at app notes for the ones left, most designs I have found usually relate back to app notes :o) Regards, Kat. -- -------------------------------------------------------------------------------------------- K.A.Q. Electronics Software and Electronic Engineering Perth, Western Australia Phone +61 (0) 419 923 731 -------------------------------------------------------------------------------------------- -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body