Flexible, 4 mA-to-20 mA, Loop-Powered Pressure Sensor Transmitter with Voltage or Current Drive

Flexible, 4 mA-to-20 mA, Loop-Powered Pressure Sensor Transmitter with Voltage or Current Drive. The Circuit is a robust and flexible Loop-powered current transmitter that converts the differential voltage output from a pressure sensor to a 4 mA-to-20 mA current output