This integrated amplifier was found in a non-existent British magazine from 1975. The used integrated circuit is still popular and the mono bridged version can provide 36 W output power. 4 A.
This circuit is from the Radio Electronics magazine of May 1984. With it, it is possible to...
A VCO or voltage-controlled oscillator, which uses only two of the LM3900 amplifiers, is shown in the...
This is one of the many versions of amplifiers with LM386. This was achieved in an old publication (1981). The...