This circuit is from the 1990 Motorola Data Databook. The circuit can be implemented with equivalent transistors. The power supply must be symmetrical.
This circuit trips when the input voltage exceeds 30 V. Its base is a DIAC and it can be used to...
This conventional window comparator configuration was found in an old documentation. It is valid...
This circuit with JFET and Unijunction was found in an ancient American documentation. The...