Donovan Parks wrote: > Feeding my source through an inverting gate and a non-inverting gate is > exactly what I hope to do. What I am wondering is if you can buy an IC that > contains both an inverting gate and a non-inverting gate or if I need to use > to different IC's and try and match their delays (or build an adjustable > delay circuit). Brent Brown (thanks!) pointed me to the TC4428A - do you > know another IC? Pretty much any RS-422/RS-485 driver should do exactly what you want. There are older products like the National DS8921/8922 or newer stuff like the Maxim MAX3485 (this particular part has no slew-rate limiting, which may be important for you). -- Dave Tweed -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu