This sensitive receiver for the medium wave range was found in Radio Electronics magazine from December 1960. The circuit has a headphone output and is powered by just 3 V.
Very rapid brightness changes or flares that occur on the sun can be detected with this circuit that...
Found in a 1968 Ferranti documentation, this circuit can be implemented with modern equivalent...
This circuit generates a train of pulses that depends on the time that is pressed PB and the value of...