The integrated circuit used in this application is uncommon today. The circuit converts capacitances into voltages from 1 to 10 V for a capacitance range from 10 uF to 100 uF.
In the figure we show how to connect two monostables 555 so that at the end of the first timer, the...
This circuit was found in a 1960 transistor manual from Sylvania. The components are from that...
This circuit for a high-power semiconductor LASER was obtained from a 1991 Poptronics. The Q1...