This logic gate that increases the duration of input pulses was found in a NASA documentation from 1966. Transistors can be replaced with current types.
The figure shows how to implement a filter against interference caused by the switching of a...
This receiver, whose tuning range depends on L1 and L2, was found in the 1992 special edition of...
This circuit is from 1999 documentation and the indicated power is PMPO for a load of 4 ohms. Two...