The figure shows how to couple two TTL circuits using an optical coupler to obtain isolation. The circuit is shown in the August 1992 issue of Radio Electronics magazine.
This circuit was originally designed to maintain the temperature of a brooder at 41º C. However,...
January 2017 - Mouser Electronics already has in stock the Epson TCXO TG2016 crystal oscillators for use...
This circuit was obtained in a 1967 General Electric documentation. It alternately fires two xenon...