Found in technical documentation from National Semiconductor, this circuit provides a voltage of 3.3 V with 500 mA at the output. The component is from the period.
MCP19124/5 Contains Independent Voltage and Current Control Loops Plus a Full Suite of...
A flash of light on one sensor or the touch of your fingers on the other type of sensor will turn...
This 1-transistor timer was published in Radio Electronics magazine in December 1960. The circuit has...