In this National Semiconductor circuit, the output voltage is numerically equal to the square root of the input voltage. The circuit is from the 90s and the components are from the period.
Raytheon's used integrated circuit is uncommon today. However, the configuration is an example and can be...
This circuit activates a relay when the water reaches the sensors. The circuit is from a magazine...
This circuit generates two pulses per cycle of alternating voltage for full wave control. The...