This is a diagram of a 1970s reel or tape recorder. It is an Italian Geloso recorder, quite popular at the time. The circuit is a reference for equipment recovery.
This circuit was obtained in a 1973 publication, being implemented with TTL technology. The...
We find this circuit in an old documentation, but it can be made using modern transistors. The circuit...
This circuit is from old American documentation, but the components used can still be found quite...