The circuit is from 80s Siliconix documentation. The integrated circuit is from the company and is not common today. It can be used operational equivalent more common in our times.
This circuit is from an old publication from the 70s, but it can be implemented with more modern...
This circuit was found in Linear Circuits Applications of Texas Instruments, originally using the...
This extremely compact circuit was obtained in a 1967 Japanese documentation. The original...