This circuit was found in a Modern Transistor Workbook from 1965. The circuit sends signals from a small record player to a medium-wave radio placed nearby.
We found this circuit in a 1975 publication. The power supply must be symmetrical, but other...
This circuit was found in a Popular Electronics of the 90s. We can build it based on modern...
We found this circuit in a 1992 documentation. It consists of a digital signal splitter used in...