This 50 Hz rejector or notch filter was found in a 1975 documentation. Other frequencies can be obtained by changing components. The filter uses a Wien network and must use a symmetrical power supply.
The purpose of this game obtained in a 1998 documentation is to guess the number that the circuit...
This circuit is from the 2005 Linear Technology Application Manual. The circuit must be powered by 5...
This circuit generates excellent sinusoidal signals and has the frequency adjusted by VR1 which is...