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.
The circuit shown is based on National Semiconductor buffers and was found in the 1994 Linear...
We found this circuit in a 1970’s Philips documentation. The circuit uses components from that time....
This current source circuit with the CA3130 was found in a 1977 publication. The circuit provides...