14-Bit, 4-20 mA, Loop Powered, Thermocouple Temperature Measurement System Using ARM Cortex-M3

14-Bit, 4-20 mA, Loop Powered, thermocouple Temperature Measurement System Using ARM Cortex-M3. The Circuit is a complete loop powered thermocouple temperature measurement system where the 4 mA-to-20 mA output current is controlled using the PWM function of a precision analog microcontroller