This trigger produces an output pulse when zeroing the input signal. The circuit is from a documentation from the 70s, presenting a hysteresis of 100 mV.
This circuit with junction field effect transistors was found in documentation from the 1980s. The...
Found in the 1995 Encyclopedia of Electronic Circuits volume 5, this circuit has a constant...
This sound effects circuit with the 555 was found in an American documentation translated from the...