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Deriving the Transfer Function of a Capacitive Sensing Accelerometer

Deriving the Transfer Function of a Capacitive Sensing Accelerometer

In this article, we'll learn about deriving the transfer function of a mass-spring-damper system used in a capacitive MEMS accelerometer.


Purdue’s Magnetic-free Optical Isolator Aims to Push Photonic ICs Forward

Purdue’s Magnetic-free Optical Isolator Aims to Push Photonic ICs Forward

Photonic integrated circuits (PICs) have been finding new ways to improve technology, like quantum computing. Hoping to push PICs to new areas, Purdue has created a magnet-free isolator.


News Nov 02, 2021 by Jake Hertz
Ousting 1900s-era Tech? Solid-state Circuit Breakers Extract DC from AC without Magnetics

Ousting 1900s-era Tech? Solid-state Circuit Breakers Extract DC from AC without Magnetics

Extracting DC from AC without any magnetics at all? A new solid-state circuit breaker put forth by Amber Solutions in partnership with Infineon Technologies stands to cause some pretty intense waves by displacing the nearly century-old technology upon which our electrical infrastructure is built.


News Jul 06, 2021 by Kate Smith
TDK’s 3 MEMS Microphones Target Quality and Power for IoT and Mobile Applications

TDK’s 3 MEMS Microphones Target Quality and Power for IoT and Mobile Applications

In an effort for improved quality and lower power, TDK has released three new MEMS microphone solutions. How are these microphones pushing the limits of MEMS technology?


News Jun 17, 2021 by Jake Hertz
Introduction to Linear Variable Differential Transformers (LVDTs)

Introduction to Linear Variable Differential Transformers (LVDTs)

Looking for a succinct intro to LVDTs? This article will explain LVDT basics, including structure, circuit, transfer function, linear range, sensitivity, and more.


How the Montreal Protocol Is Changing Chemical Sensors in HVAC Applications

How the Montreal Protocol Is Changing Chemical Sensors in HVAC Applications

Learn how the Montreal Protocol influenced this chemical sensor released by NevadaNano, a company tackling sensor applications from vending machines to flying noses.


Banned ADAS Headlight Technology Could Prevent Millions of Accidents

Banned ADAS Headlight Technology Could Prevent Millions of Accidents

While adaptive driving beam (ADB) headlights could prevent millions of nighttime car accidents, this technology is currently banned in the U.S. What advancements are U.S. drivers missing out on?


News Apr 21, 2021 by Jake Hertz
TDK Sensor Shows How Capacitive MEMS and Low-power IoT Go Hand in Hand

TDK Sensor Shows How Capacitive MEMS and Low-power IoT Go Hand in Hand

TDK recently announced the so-called "lowest power waterproof MEMS barometric pressure sensor." Why did TDK choose capacitive MEMS as the go-to architecture for low power?


News Apr 15, 2021 by Jake Hertz
Optical MEMS Micromirrors Could Be a Driving Force in “Smart Glass”

Optical MEMS Micromirrors Could Be a Driving Force in “Smart Glass”

New research proposes a smart glass technology that could save energy in buildings by up to 35%.


News Apr 09, 2021 by Jake Hertz
Micro Mirrors Expand Field of View in Intel’s New MEMs LiDAR Camera

Micro Mirrors Expand Field of View in Intel’s New MEMs LiDAR Camera

LiDAR is cropping up in manifold variants, and for scanning LiDAR, MEMs micro-mirrors are a key factor in determining the field of vision.


News Mar 10, 2021 by Jake Hertz
Touchscreen vs. Button Interface Design: Capacitive and Resistive Touchscreens and Haptics

Touchscreen vs. Button Interface Design: Capacitive and Resistive Touchscreens and Haptics

Learn about some of the most important fundamentals for understanding how interface technologies have evolved.


TDK’s Newest MEMS Accelerometer Hopes to Address Familiar Sensor Design Woes

TDK’s Newest MEMS Accelerometer Hopes to Address Familiar Sensor Design Woes

TDK's recently-announced single-axis MEMS accelerometer aims to bring a bit more bandwidth to the table in a bandwidth-hungry industry.


Photorelays: A More Power- and Size-Efficient Alternative to Conventional Relays?

Photorelays: A More Power- and Size-Efficient Alternative to Conventional Relays?

Photorelays are gaining traction. In many cases, these devices outpace their mechanical counterparts in terms of size and power efficiency.


News Sep 14, 2020 by Jake Hertz
Reviewing a Subcategory of Hall-Effect Sensors: the Unipolar Hall-Effect Sensor

Reviewing a Subcategory of Hall-Effect Sensors: the Unipolar Hall-Effect Sensor

The unipolar Hall-effect sensor, also known as a unipolar switch, animates a variety of proximity-sensing devices—from gear-shift levers to laptop screens.


News Jul 30, 2020 by Jake Hertz
Digital MEMs Microphone Extends Smart Speaker Battery Life by Ten Times

Digital MEMs Microphone Extends Smart Speaker Battery Life by Ten Times

The power-saving architecture behind the MEMs microphone side-steps the pitfalls of always-on listening battery consumption.


News Jul 30, 2020 by Jake Hertz
The World’s First Truly Monolithic MEMS Speaker Hits the Market

The World’s First Truly Monolithic MEMS Speaker Hits the Market

MEMs speakers already have a leg up on conventional speakers. What does a fully-monolithic MEMs speaker entail?


News Jul 17, 2020 by Jake Hertz
Making Silicon Stronger and Deformable for More Capable MEMS Components

Making Silicon Stronger and Deformable for More Capable MEMS Components

Researchers have demonstrated that silicon processed by modern lithography procedures exhibits an ultrahigh elastic strain limit, potentially enabling enhanced functional properties that will lead to better MEMS components.


News Jun 15, 2020 by Luke James
MEMs Six Degrees of Freedom Sensors are Built to Cover More ADAS Safety Bases

MEMs Six Degrees of Freedom Sensors are Built to Cover More ADAS Safety Bases

Partial or conditional autonomous vehicles leave critical blind spots. MEMs 6DoF inertial sensors plus GNSS, camera, RADAR, and LiDAR data may be a better bet.


News Jun 03, 2020 by Robin Mitchell
Passive, Active, and Electromechanical Components

Passive, Active, and Electromechanical Components

This video tutorial covers some basic information related to three major categories of electrical and electronic components.


How Fast Is a Quick-Turn for MEMS Oscillators? SiTime Says 48 Hours

How Fast Is a Quick-Turn for MEMS Oscillators? SiTime Says 48 Hours

Fast prototyping isn't so fast when you have to wait 20 weeks for a MEMS oscillator. SiTime wants to put an end to the wait for designers worldwide.


News Mar 04, 2020 by Robin Mitchell