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 receiver was obtained in a documentation from the 90's and is of the super-regenerative type....
IDT ZSSC3230 Capacitive Sensor Signal Conditioner Available from Mouser Electronics stock, this IDT...
This circuit, with a configuration like to many that we can find in this section, was suggested by a...