This receiver, called Peace, was manufactured in the 1960s in Japan and was powered by a 9 V battery. The radio for medium waves had an earphone and good sensitivity.
We found this circuit in an Analog Devices documentation from the 90s. The circuit is based on a...
This circuit turns off a load after an interval of 8 to 80 seconds adjusted on the potentiometer. The...
Found elsewhere in this section, this circuit is from the April 1971 Radio Electronics magazine. Note...