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.
We found this circuit in a 1986 documentation, however, by the components used it can still be...
This circuit was found in an 80s National Semiconductor documentation. The configuration holds...
This emitter-coupled transistor LC oscillator circuit was found in the May 1970 issue of Radio...