This 8 ohm output amplifier was found in a 1968 Motorola publication. The circuit uses transistors of the time and is powered with a voltage of 25 V + 25 V.
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...