Long time intervals with precision (CB9682E)

This precision circuit can provide timings from 0.2 milliseconds to 3 minutes accurately. The circuit is from an 80's documentation.

| Clique na imagem para ampliar |

Voltage Transfer Circuit (CB5377E)
What this circuit does is change the logic level of a signal thus serving as a different logic...
Electronic flash (CB23732E)
This electronic flash circuit was found in the March 1961 Radio Electronics magazine. The circuit...
50 kHz tone recognizer 567 (CB19379E)
On this website we show how to calculate the components of this circuit for other frequencies. The basic...