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.
I found this circuit in a Popular Electronics from 1992. The circuit shows how we can use two...
This is the conventional configuration of an astable multivibrator with operational, found in a...
This circuit was found in a 1980 documentation. The triac used is of the TIC226D type which in the...