This circuit was found in an American documentation from the 1980s. The sensitivity ranges from 100 mV to 1 V. The supply must be done with an excellent filtering source.
This traditional triac dimmer configuration was obtained in a 1987 documentation. The circuit can...
This bandpass filter has a simple feedback system. The component values can be calculated using the...
The 709 integrated circuit is not common today. The circuit is from American technical...