Suggested by a 1968 Motorola power semiconductor manual, this circuit uses a special transformer and transistors from the era. The frequency is 60 Hz.
This transmitter was sent by contributing reader Adriano Muniz Moura from Pirapora – MG. It is in...
This circuit, indicated by Texas Instruments, uses a high voltage regulator and a Darlington also...
This circuit is from a Hughes documentation from 1968. The components are of the time and the RC...