The operational amplifier of this circuit can be the 741. The circuit has very low consumption and can be powered by two 9-B batteries. Low voltage amplifiers can be used.
This configuration can be found at several points in this section. This was obtained in an old...
We find this circuit in American documentation from the 1980s. The accuracy of the circuit depends on the...
We find this circuit in a 1980s documentation. The circuit is for SSB modulation and the...