Found in a 1967 Electronic Design, this circuit can detect pulses as narrow as 0.2 us. Active components can be replaced with modern equivalents.
We found this circuit in the April 1975 Radio Electronics magazine. The circuit has a latch and...
We found this sophisticated home alarm in a 1994 documentation. The circuit supports sensors of...
This circuit was found in the 1991 Electronics Experimenter's Handbook. It activates a relay when...