This commercial receiver for the mid-wave range of the 1960s was found in Japanese documentation at the time. The supply is 9 V, and the configuration is superheterodyne type.
This 3-digit code switch was obtained from an old American documentation. The capacitor is 470 uF...
This antenna or booster amplifier operates with signals from the midband (MW) range up to the VHF...
The circuit presented here shows how two flip-flops of a 4027 can be connected to perform a...