We found this circuit in the Linear Applications Handbook of the National Semiconductor of 1994. The circuit can be adapted to use other operational amplifiers and the power supply must be symmetrical.
This simple circuit is intended to test integrated circuits 555 and 741 in 8-pin DIL enclosures. In both...
This circuit produces the ticking of a clock on a common piezoelectric transducer. The circuit has an...
This circuit is intended to limit the ringing time of a bell. Even if the button is kept pressed for...