This circuit was obtained in the 1990 Motorola Linear Databook. The circuit uses a 139 series comparator, but other series can be used. The power source need not be symmetric.
This circuit can be implemented with other operational amplifiers. The formulas for calculating the...
This project was found in a documentation from 1980. It is a central of sound effects, a simple...
The CA3020 integrated circuit was one of the first commercial types, sold in the 1960s. The...