This circuit was found in the April 1978 Radio Electronics magazine. The power supply must be symmetrical, and the maximum operating frequency is around 100MHz.
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...