This circuit was found in a 1980s Intersil documentation. The integrated circuit used is not common today. The power supply must be symmetrical.
This triac temperature control circuit was found in an 80s power semiconductor documentation. The circuit...
This configuration using a CMOS IC produces a 1 MHz signal. The circuit can be used as clock in...
We find this circuit in an American 1980s documentation. The circuit can still be assembled...