This circuit is intended for use with common oscilloscopes having been found in documentation on instrumentation from the 1970s. The capacitors are of the ceramic type with low parasitic inductance.
This super regenerative detector circuit was found in an English documentation from 1963. The coil...
We find this circuit in a 1980s documentation. The circuit can be applied to modern operators with...
This small medium wave radio was manufactured in the 1960s in Japan. The circuit is powered by 4...