This circuit is from the 1993 Motorola Linear Interface ICs. The circuit must use symmetrical power supply and equivalent operational can be used.
This circuit was obtained from an American 1980s documentation. The frequency depends on the...
This traditional metronome circuit is powered by voltages from 9 to 12 V and output drives a...
Found in a 1966 documentation, this “coin finder” uses components from the era operating at 2.1...