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 circuit was found in a Popular Electronics from the 90s. The circuit has temperature...
Found in old American documentation, this receiver transmits signals via the power grid. We can...
This circuit is from the LM317's own manual obtained from an old documentation. The IC should be...