This PLL with operational amplifiers was found in 1969 documentation. The configuration can be adapted to use modern components. The circuit has a gain of 15 V / V and can operate with 10 kHz signals.
This circuit was obtained in old American documentation and is valid for common JFETs. The circuit...
This circuit was found in GE documentation from the 90s. The circuit can be used as a shield for...
This simple audio generator with the 741 was found in a 90sTexas Instruments. The circuit...