This 1965 Philips circuit uses old company transistors like the BFY51 and BFY50. The circuit is powered by 12 V and the power gain is 8.9 dB.
This circuit can be used as a basis for a power control where the comparator directly excites the...
This simple strobe light is from an article in 1982. Its complete circuit, very simple, appears in the...
This circuit for old analog TV was found in the May 1978 issue of Radio Electronics magazine. The...