This circuit is from Motorola's Linear Databook from 1990. The integrated circuit and transistors are uncommon, but the circuit can be assembled with equivalents.
Found in a 1968 US publication, this circuit produces a delayed pulse with the negative transition...
We found this circuit in an American publication from the 50s. The transistors are made of...
This 2005 circuit was found in an English publication and can be implemented with virtually any...