EDN

Newer, shinier DMM RTDs—part 1

A compensated Pt100 RTD circuit has 1 mV/°C DMM output, with linearization via positive feedback, pending Part 2 temperature-stability fixes.
Hackaday

Building A Heading Sensor Resistant To Magnetic Disturbances

Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...
IEEE

Physics-Informed Adaptive Drift Compensation Framework for Machine Learning-Based Instrumentation Transmitter Calibration in Oil and Gas Industry

Abstract: Accurate calibration of instrumentation transmitters is critical for ensuring operational safety, process efficiency, and regulatory compliance in the oil and gas industry. Traditional ...
IEEE

A 240-GHz Sub-THz Direct-Conversion Transmitter With I/Q Phase Calibration in 40-nm CMOS

Abstract: A 240-GHz direct-conversion transmitter (TX), consisting of an LO chain and fundamental I/Q mixers, is proposed for sub-THz communication applications. The LO chain integrates ...
Hydrocarbon Processing

Trade-off analysis between fired heater safety logic and operability: Challenges of excessive safety instrumentation

This article details practical challenges in fired heater operation within the oil and gas industry in relation to the existing instrumentation logics. Fired heaters are essential in crude oil ...