Based on the TCA6600 or TCA5500 this circuit was found in a 90’s European documentation. The integrated circuit used is not very common today.
Found in an American documentation from the 90s, this circuit has a configuration that has been...
This Ditherizing circuit is used in digital audio for effect production. The circuit is from a...
This PLL with operational amplifiers was found in 1969 documentation. The configuration can be...