This 1980s circuit was found in Motorola documentation. The circuit uses period components that admit of equivalents. Light feedback in a modern version can be done by optical fiber.
August 2017 - STMicroelectronics' BlueCoin development environment is available at Mouser...
This amplifier was obtained from the CA3140 datasheet, an operational amplifier with JFET at the...
September 2017 - Vishay Siliconix SQ MOSFETs for automotive use are in stock for immediate...