This small audio amplifier was found in an American publication in 1975, The integrated circuit used is rare today. The circuit was used in portable receivers of the time and other applications.
This is an amplifier for recorder and return containing preamplifier and power amplifier with...
This flasher of two incandescent lamps was discovered in a 1983 documentation and it has two...
El circuito de la figura es un regulador de corriente con ajuste en el rango de 0 a 3 ampères. El...