> > > > ISO7421 > > > > > > Now thats sweet, and a heck of a lot better thought out than the > > > last such chip I looked at a decade ago. Needs a 4 wire cable from > > > each direction, but I don't see as that as a problem other than > > > stealing the ground and 3.3 or 5 volts to run its side of it at > > > both ends. > > > > > > That should indeed sove the noise problem. The pcb requires a > > > slightly different layout of putting the power on the center layers, > > > so the best bet is to look around and see if someone might have it > > > all boxed up and ready to connect. > > > > > > Were you able to find such a ready-made critter? If so where? > > > > No I made my own circuit board, two layer. SO footprint should not be > > to hard to solder there are small prototype boards or similar on > > Farnell. > > > > http://se.farnell.com/roth-elektronik/re932-01/pcb-adaptor-smd-so-8-20 > >-5mmx8mm/dp/1426169 > > http://se.farnell.com/roth-elektronik/re932-03/adaptor-smd-so-14-1-27m > >m/dp/1426171 > > http://se.farnell.com/roth-elektronik/re932-02/adaptor-smd-so-8w-1-27m > >m/dp/1426170 > > http://se.farnell.com/roth-elektronik/re932-01st/multi-adapter-11-5x16 > >mm-soic-8/dp/2292022 > > > > I do not have time to check if footprint is correct. > > > Immaterial as you wouls wire to suit, but all of them are missing a place > to put the recommended supply rail bypassing. And extra plated thru-hole > in each runner to the terminal would be nice. > > But who is Farnell on this "west side" of the pond? Or are they even > affiliated with anybody in the US?
Maybe it is newark http://www.newark.com/ otherwise I think digikey may be closer to you. ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
