Institute Newton C. Braga

Circuit Bench

Wireless Alarm Transmitter (CB25208E)
We found this circuit in the May 1989 issue of Radio Electronics magazine. The circuit uses...
Brain Monitor (CB24359E)
This circuit was published in the January 1975 issue of Radio Electronics magazine. An article showed...
Crystal Timebase (CB6521E)
This timebase was found in a European 1980s documentation. The circuit uses well-known components...