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 integrated circuit of this 1976 configuration is the 7400 and the type crystal in televisions of the...
We found this divider in a circuit manual from the 90s. The circuit is intended for operation with...
Recommended for automotive applications, this circuit was found in an April 1982 Radio Electronics...