In this 1990s circuit, found in a National Semiconductor manual, the output voltage is the square of the input voltage. The components are from the period.
The integrated circuit used in this 2002 project is not very common. It is powered directly by the...
We found this circuit in a 1972 RCA technical documentation. The comparator can be any type and C1...
I found this circuit in a Popular Electronics from November 1999. The magazine is no longer...