This small analog TV transmitter was found in an Electronics Now from the 90s. The range is around 20 meters, and the coils are according to the channel on which you want to receive the signal.
This ground-based circuit was found in 1990s American documentation. The transistor can be any...
We found this circuit in a Radio Electronics issue from November 1976. The circuit is for vehicles of...
With this circuit it is possible to obtain a voltage modulated in amplitude with a maximum current of...