Indicated by Texas Instruments, this 1968 circuit measures the duration of a light pulse captured by a phototransistor. Equivalent phototransistors and transistors may be used.
This circuit was obtained from the Radio Electronics magazine of April 1991. The circuit is based...
This experimental good sensibility radio was obtained from a 1968 magazine. The magazine no longer...
s. In it, a set of batteries or battery provides the reference voltage for the output. The...