The operational 714 (not the 741) is an old Raytheon type that is no longer common today. The circuit can be implemented with modern operational. The power supply must be symmetrical.
This circuit is from a 1968 Electronics World. It acts directly on a high voltage alternating...
We found this circuit in the December 1998 issue of Electronics Now magazine. RF transistors such...
This small amplifier with the fraction-watt LM4862 was found in the November 1999 issue of...