Hot Rod

How Accurate Are Wideband O2 Sensors? A Real-World Lambda Comparison Test

We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are ...
IEEE

Early detection of wire bond degradation in IGBT modules using on-chip junction temperature sensor

Abstract: This study presents an innovative approach to early detection of wire bond lift-off failures in power semiconductor modules (PSMs) using an integrated on-chip temperature sensor. Despite ...

Oura Ring 4 review: This smart ring is a great sleep tracker, but not a great activity tracker

The iconic sleep-tracking smart ring is accurate and comfortable—but smart rings make poor activity trackers.
IEEE

12.7 A 0.85V 600nW all-CMOS temperature sensor with an inaccuracy of ±0.4°C (3σ) from −40 to 125°C

Abstract: This paper describes an all-CMOS temperature sensor intended for RFID applications that achieves both sub-1V operation and high accuracy (±0.4°C) over a wide temperature range (-40 to 125°C) ...