The figure shows how to couple two CMOS circuits using an optical coupler to achieve isolation. The circuit is from a Radio Electronics from August 1992.
Found in a Popular Electronics from the 80's, this circuit makes use of a time integrated to...
This circuit uses comparators equivalent to LM339 to generate signals of two waveforms whose...
This circuit was originally designed to maintain the temperature of a brooder at 41º C. However,...