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.
Found in a 1980s publication for amateur radio, this circuit employs an MC1596G which is a...
This circuit, from a documentation from the 1970s, produces two sinusoidal signals given by C2 and...
This circuit transmits signals to an FM receiver at a distance of up to a few tens of meters. The...