Institute Newton C. Braga

Circuit Bench

SCR Alarm oscillator (CB6114E)
This circuit was suggested by General Electric in a 1965 documentation. The circuit can be...
Operational Triangular Generator (CB13242E)
This circuit, found in an old publication, uses operational amplifiers from National Semiconductor that are...
Hartley Oscillator (CB12067E)
This audio oscillator can also be frequency controlled by an LDR. The circuit is from a 1975...