Latest Sensors Technical Articles

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Types of Magnetometers

This high-level guide introduces common types of magnetometers, including scalar, vector, gradient, and more.

April 12, 2021 by Ignacio de Mendizábal

What Is a Magnetometer?

Learn the basics of magnetometers, including their relation to hysteresis curves and their applications.

March 19, 2021 by Ignacio de Mendizábal

Developing Robust Motion Detectors Does Not Have to Be a Moving Target

This article discusses some concepts for ensuring motion detector designs will be robust to external disturbances by presenting an infrared detector assembly that can significantly reduce the parts count and improve product performance and reliability. 

February 23, 2021 by Ryan Sheahen, Littelfuse

Characteristics of Different Photodiode Technologies

Learn about the differences between silicon photodiodes and photodiodes made from other semiconductor materials.

December 21, 2020 by Robert Keim

Introduction to CMOS Image Sensors

In this article, you'll learn the basics of the CMOS image sensor, including its core components, its block diagram, its strengths and weaknesses, and its applications.

November 09, 2020 by Steve Arar

Points to Consider When Selecting an NTC Thermistor

This article explores NTC thermistor types and their critical performance criteria and provides advice on selecting the appropriate device for a given application.

October 13, 2020 by Krystian Milewski , TDK

LSM6DSOX App Note: Machine Learning Core

This app note will help you understand the machine learning core functionality found in the LSM6DSOX inertial module SiP.

In partnership with STMicroelectronics

LSM6DSOX App Note: Finite State Machine

Learn how to configure this embedded finite state machine and use it to generate interrupt signals in motion detection applications.

In partnership with STMicroelectronics

How to Obtain the Temperature Value from a Thermistor Measurement

This article explains how to use an NTC or a PTC thermistor with an ADC, along with the various process techniques to convert ADC measured results into a usable temperature value.

August 18, 2020 by Gordon Varney, Texas Instruments

How to Measure Gas Flow in a Mechanical Ventilator Using a Differential Pressure Sensor

In this article, we’ll look at another interesting application of pressure sensing in mechanical ventilation.

July 08, 2020 by Steve Arar

Determining Dynamic Range of CCD Image Sensors

This article explains how CCD construction, operating parameters, and external signal-processing circuitry contribute to the maximum variation in luminance that CCD imaging hardware can capture.

May 29, 2020 by Robert Keim

Quantum Efficiency and Signal-to-Noise Ratio in CCD Image Sensors

In this article, we’ll draw upon our knowledge of noise sources and combine it with some new information to create a comprehensive model for CCD noise performance.

May 25, 2020 by Robert Keim

Photon Noise, Read Noise, and Reset Noise in CCD Image Sensors

In this article, we’ll take a look at electrical and optical conditions that contribute to reduced image quality in CCD camera systems.

May 22, 2020 by Robert Keim

Dark Noise in CCD Image Sensors

This article introduces the concept of image noise and discusses one noise source that plays a prominent role in the design of CCD systems.

May 21, 2020 by Robert Keim

Using Pressure Sensors to Adjust the Oxygen Concentration: An Electrical Engineer’s Intro to Mechanical Ventilation

In this article, we’ll look at additional applications of pressure sensors in mechanical ventilation.

May 08, 2020 by Steve Arar

Pixel Readout and Frame Rate in CCD Imaging Systems

This article continues our exploration of frame rate in relation to the structure and implementation of a CCD image sensor.

April 22, 2020 by Robert Keim

CCD Image Sensors: What Is Frame Rate?

This article explores the relationship between CCD readout characteristics and the maximum rate at which images can be generated.

April 21, 2020 by Robert Keim

CCD Binning in Imaging Systems: Increasing Signal-to-Noise Ratio and Frame Rate

This article explains a technique that allows us to incorporate flexibility into the operational parameters of a CCD imaging system.

April 20, 2020 by Robert Keim

The Back-Illuminated CCD: Improving Light Sensitivity

This article discusses a specialized type of CCD that increases manufacturing complexity but also mitigates performance limitations associated with the more standard approach to CCD implementation.

April 13, 2020 by Robert Keim

An Engineer’s Introduction to Mechanical Ventilation

Learn about the basics of mechanical ventilation in terms of subsystems, control loops, and algorithms.

April 12, 2020 by Steve Arar