Found in a Philips publication from the 1970s, this circuit uses a DO040, which is difficult to obtain today. The circuit is powered by 12 V on pins indicated in the diagram.
This circuit was obtained from a Popular Electronics of the 80's. It is set to a certain pulse...
Found in an Electronic Design from the 80s, this circuit generates a 500 Hz signal and can be used...
August 2016 - It can be purchased from Mouser Electronics the new digital isolators ADuM120N and...