Found in a 1967 Electronic Design, this transistorized circuit compresses and then expands a pulse. The circuit has a double adjustment and the transistors are of the time.
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...