This circuit is valid for other comparators of the same series. In this case, a lamp is excited, but an LED can be used in series with a resistor or other load. The transistor admits equivalent.
This circuit was suggested by Motorola in a 1969 publication. It makes use of components of the...
We found this circuit in the 1994 Linear Applications Handbook from National Semiconductor. The...
This adding amplifier with the operational LM324 is from the SGS integrated circuits manual of...