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 amplifier must be supplied with a voltage of 24 V and the resting current is of the order of 4...
This circuit is from a magazine 73 for radio amateurs of the 90s. The circuit generates the high...
This circuit generates quadrature signals in frequency that depend on the 18 pF capacitors. These...