This circuit is from Motorola's 1990 Linear Databook. The transistors allow equivalents and the output power depends on the supply voltage. The power supply must be 30 V symmetrical.
This circuit for audio signals was found in the March 1990 Radio Electronics magazine. The circuit...
This powerful FM transmitter was found in 1992 documentation. The circuit requires a 12 V source...
Suggested by General Electric in a 1965 publication this circuit uses a light bulb. Can be changed...