We found this circuit in a publication by General Electric in the 1980s. The transistors and the PUT are from that time. The control is done by a tachometer based on an optical coupler.
Found in a 90’s HAM Radio, this circuit is used for an optical communications system or even audio...
Found in a Hands-On Electornics, this touch biestable can control loads that depend on the SCR....
January 2017 - Mouser Electronics is supplying Ametherm's new glass encapsulation thermistors for...