Suggested by Motorola in 1968 documentation, this circuit has an efficiency of 70%. Power transistors are types of the time as are transformers.
This circuit was obtained in a 1967 Raytheon manual. The company's component is an optical coupler with...
This circuit was obtained from a 90s Radio Electronics. The components used are from that time. The...
We found this configuration in a documentation for radio amateurs from 1974. The circuit can be...