Institute Newton C. Braga

Circuit Bench

Two-channel peak indicator (CB21975E)
This peak indicator for stereo amplifiers uses a CA3130. The 80's circuit does not need a...
Data interface for analog TV (CB7171E)
This circuit was found in an old Electronic Design used to apply digital signals to an analog...
Clock alarm timer (CB21290E)
Found in Popular Electronics from the 90's, this circuit uses common components and can be easily...