This circuit was found in an old Electronic Design. It makes use of sidacs and operational not very common today. The power supply must be symmetrical.
March 2017 - Mouser Electronics announces the availability of MAX17523, an overcurrent and...
We found this circuit in a 1990s documentation. The circuit uses components from the era providing...
This 5.1 MHz oscillator was found in a 1980s American documentation. The used operational...