Jacob's Ladder (CB21079E)

This circuit was found in American documentation from the 90's. The transformer is of the high voltage type for old light advertisements.

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Dimmer (CB16627E)
This traditional triac dimmer configuration was obtained in a 1987 documentation. The circuit can...
Band Pass Filter (CB19687E)
This bandpass filter has a simple feedback system. The component values can be calculated using the...
Function Generator 709 (CB20140E)
The 709 integrated circuit is not common today. The circuit is from American technical...