In fact, this circuit from the 60's applies to photographic printers of the time, timing the lighting of a 20 W lamp. The components are from the period.
This oscillator is from a European publication from the 1980s. The signal generated is of low...
Found in American documentation from the 1980s, this circuit can generate signals from 50 kHz to...
A tap on sensor X1 of the circuit shown in the figure causes the flip-flop formed by the 4 NAND...