Gate drivers are pretty zippy when you leave out the capacitive load of a power fet's gate. They are also available in 8 pin dip.
On Monday, 8 August 2016, Bob Albert via time-nuts <time-nuts@febo.com> wrote: > Your comments on layout made me think again of how to implement these > projects. How do you use a 14 pin SMD IC? I could try to connect it with > flying leads but I'd like something better. Is there some kind of socket > for these devices? Or a generic board to receive such things? > Bob > > > On Monday, August 8, 2016 8:02 PM, David <davidwh...@gmail.com > <javascript:;>> wrote: > > > I actually tested various 74120 dual 4-input NAND drivers which > produce the sync output on my B&K function generator to find ones > which would provide the fastest and cleanest pulse. AS (advanced > schottky) and FAST (fast advanced schottky TTL) were the best for me. > Modern inexpensive discrete logic however can do a much better these > days. > > One interesting thing I learned is that the dual 4-input NAND pinout > overlaps the quad 2-input NAND pinout so in a properly designed layout > where only 2 gates are used, either part can be used. > > On Mon, 08 Aug 2016 16:31:44 -0400, you wrote: > > >If you have a function generator with a sync output, you can use that > pulse > >into a T connector with your scope to do a TDR measurement of the cable. > If > >you have a scrap of the new cable, you can use that to calibrate the > setup. > > > >Regards, > >Tom > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com <javascript:;> > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and follow the instructions there. > > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com <javascript:;> > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.