This circuit was found in old documentation from Analog Devices. The integrated circuit is from the era. It has two settings and operates at frequencies up to 50 MHz.
This circuit with the 741 operational amplifier was found in the March 1995 issue of Electronics Now...
This circuit was found in a General Electric documentation from 1966. It uses discrete components...
We found this circuit in a French technical documentation from 1982. The circuit can be...