Institute Newton C. Braga

Circuit Bench

Car Anti-Theft (CB18813E)
This simple circuit uses few common components and can be installed in any car. In case of...
Musical Horn (CB23653E)
This circuit was found in a Radio Electronics from May 1965. The transistor is a power transistor and in...
MW direct amplification radio (CB18314E)
This simple radio circuit was obtained in a Japanese publication in 1967. The circuit uses...