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.
Using old germanium transistors like the CK722, this circuit has good gain. We found it in a...
With the values of the components used in this circuit, the signal produced is 800 Hz rectangular with...
We found this circuit in an American brochure from the 90s. In it we have the way to implement a 4-input...