This is the circuit of a European commercial amplifier. It was published in Radio Electronics magazine in September 1958 and has a power of 5 watts with good sound quality.
This circuit turns on a lamp when the night comes and turn it off in the morning. The circuit...
This circuit was obtained from an American publication of the 80's. The integrated circuit is of the...
In the figure we have a traditional flip-flop configuration implemented with two operational...