We found this circuit in a 1977 factory documentation. The operational amplifiers can be 741 and the symmetrical power supply. Capacitors can be changed for operation at other frequencies.
This circuit was obtained in a Texas Instruments publication. It is a third-order filter with...
This “zero crossing detector” detects when a signal passes through the zero-volt point producing an...
The circuit shown is from the Motorola Linear Databook of 1990. This circuit converts signals in...