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.
Other series amplifiers such as the MC3301, MC3401 and LM2900 can be used on this circuit. We...
Crystals from 100 kHz to 1 MHz can be used in this 1957 Raytheon circuit. 4 can have values...
This window comparator configuration is from a 1980 publication. It is a conventional circuit that...