This circuit trips when the current in a load exceeds the programmed value that depends on Rx. The circuit is from the Radio Electronics magazine of June 1986.
Found in a Motorola manual from the 1980s, this circuit uses components from the era. The circuit...
This two-year-80s circuit consists of a solution for a small portable recorder powered by cells, as...
Found in a 1980s documentation, this circuit detects when the voltage drops below 11 V. Other...