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.
We found this CMOS circuit in a 1989 documentation. The accuracy will depend on the adjustment that is...
The purpose of this game obtained in a 1998 documentation is to guess the number that the circuit...
This filter was found in the October 1969 issue of Radio Electronics magazine. The frequency...