This circuit was found in a Popular Electronics from the 90s. The circuit has temperature compensation. Coil and capacitors depend on the frequency at which the circuit will be used.
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...