We found the circuit of this Japanese transistorized commercial receiver in a documentation from the 1960s. It is a radio for the medium wave range with 6 transistors and 9 V power.
This circuit appears in several versions on this site. It is designed to be used between the...
By connecting a common diode in series, it is possible to add temperature stability to the...
This circuit is from a Popular Electronics of December 1993. In it we have the way to externally connect...