Using CMOS circuits and operational amplifiers of the time, this circuit was found in the September 1977 issue of Radio Electronics magazine. The circuit is powered by a 15 V power source.
This circuit is from a 1968s Motorola documentation. The load can range from 10 to 100ohm and the...
Raytheon's RC4858 amplifier is like the 741. This circuit was obtained in an old circuit manual. The...
This source provides a 1.5V voltage used in the power supply of model aircraft spark plugs. The...