Alternator regulator (CB7121E)

This circuit was found in Radio Electronics from the 90s. Q3 must have a heatsink and R10 fixes the output voltage.

| Clique na imagem para ampliar |

Window Comparator I (CB24973E)
Using the CA3140 in the figure we have a comparator that goes low in the window voltage space. The...
Two-wire comparator (CB25192E)
With this circuit it is possible to connect a comparator to a power stage via two wires. The...
LED Flasher 4069 or 74C04 (CB24586E)
This simple circuit was found in the May 1979 issue of Radio Electronics magazine. The circuit has the...