This 1960s Japanese 5-transistor radio is powered by 9 V and has good sensitivity for the medium wave range. The configuration is of the superheterodyne type with FI of 455 kHz.
This constant current source is from the LM11's own factory manual used in the application. The circuit is...
This circuit, from a 1988 documentation, consists of an automatic temperature control using an NTC...
With this name we already published an interesting game. For readers who do not know, this game...