This circuit is used in magnetic tape recorders, having been found in documentation in the 1960s. The circuit uses Japanese transistors, and the critical components are transformers.
The circuit shown is from the Motorola Linear Databook of 1990. This circuit converts signals in...
This circuit is from a 1950 documentation, being one of the first to use the then discovered...
We obtained this circuit from a 1993 documentation. The circuit has 7 current ranges that are...