This 1969 circuit generates a high voltage that reaches 100 V from 16 V. The power is of the order of 280 mW. The number of diodes determines the voltage multiplication.
The CMOS 4046 integrated circuit is not very common today, consisting of a very efficient PLL for...
In the circuit shown in the figure to the side, the relay is activated when the light stops...
With this name, the English publication where we found this circuit indicated a sensitive touch...