This small commercial radio for the MW band with germanium transistors was found in Japanese documentation from the 1960s. The circuit is powered by a 9 V battery and has a 455 kHz IF.
This high impedance step suggested by an English publication can operate up to 1 MHz with 1 V rms...
This timer of 10, 25, 45 seconds and 5 minutes has its times selected by the keys. The circuit drives...
When the power is turned on, the output that goes to the high Iogic Ievel is not necessarily the...