We found this circuit in a 1965 publication by General Electric. The zener is 8.2 V x 1 W and the table shows the capacitor values according to the number of cylinders in the vehicle.
We found this circuit in an old oscilloscope publication. With it, it is possible to observe the B...
This interesting circuit found in an old documentation uses neon lamp to indicate the percentage of...
This circuit was obtained in an American documentation translated in the 80's. The circuit can be...