Latest Optical Sensors Technical Articles

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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

How to Implement Digit Recognition with TensorFlow Lite using an i.MX RT1060 Crossover MCU

This article looks at digit detection and recognition using MNIST eIQ as an example, which consists of several parts — the digit recognition is performed by a TensorFlow Lite model, and a GUI is used to increase the usability of the i.MX RT1060 device.

September 22, 2020 by David Piskula, NXP Semiconductors

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

CCD Image Sensor Types: Full-Frame, Interline-Transfer, and Frame-Transfer CCDs

This article explains the characteristics, advantages, and disadvantages of three CCD (charge-coupled device) architectures.

March 30, 2020 by Robert Keim

Introduction to Image Sensor Technology, from Photons to Electrons

This article, the first in a series, discusses light-sensitive electronic devices called photodiodes and compares CCD and CMOS sensors.

March 23, 2020 by Robert Keim

Design Solution for Automotive LCD Displays Utilizing LED Driver ICs

See how multi-channel automotive LED driver ICs implement backlight local dimming, bringing ‘true black’ to automotive LCD displays.

February 04, 2020 by Szukang Hsien, Maxim Integrated

Introduction to Adaptive Front Lighting Systems (AFS)

Learn more about the design considerations that go into developing adaptive automotive lighting solutions.

November 06, 2019 by Steve Arar

Time-of-Flight Sensors for In-Cabin Vehicle Safety

This article looks at how time-of-flight sensing in a vehicle's cabin can improve safety and convenience.

August 21, 2019 by Gualtiero Bagnuoli, Melexis

Will Energy Harvesting Be What Fuels the Growth of the IoT?

This article explores the challenge of constantly powering the billions of devices that make up the IoT and how energy harvesting could be an effective solution.

May 28, 2019 by Robert Huntley, Mouser

How Do Time of Flight Sensors (ToF) Work? A Look at ToF 3D Cameras

How do time of flight sensors determine distances? Learn more about ToF cameras using an example 3D camera.

May 08, 2019 by Mark Hughes

Designing a System Monitor 4-MUX LCD Driver Solution

This application note describes a simple hardware implementation of a 4-Mux LCD driver using time division multiplexing techniques along with system monitoring using a GreenPAK IC.

April 18, 2019 by Krupa Bhavsar, Dialog Semiconductor

Electrical Symbols for Electronic Components: Passive Components

This two-article series provides an overview of circuit symbols, along with some information on the components that they represent.

October 31, 2018 by Robert Keim

Understanding and Implementing Charge Amplifiers for Piezoelectric Sensor Systems

In this article we’ll explore a circuit that produces an output voltage proportional to the charge generated by a piezoelectric transducer.

October 22, 2018 by Robert Keim

Understanding and Modeling Piezoelectric Sensors

This article explains some theory behind piezoelectric sensors and presents an equivalent circuit that you can use when you’re designing sensor systems.

October 15, 2018 by Robert Keim

Hardware Assessment: OPB9000 Reflective Light Sensor from TTElectronics

The OPB9000 is a reflective light sensor from TTElectronics with programmable output and sensitivity levels.

July 27, 2018 by Mark Hughes

Beyond the Optocoupler: Understanding Digital Isolators

Optocouplers are undoubtedly effective, but alternative isolation technologies may be a better choice for your application.

July 13, 2018 by Robert Keim

Hardware Assessment: LightCrafter Evaluation Kit for BeagleBoard Black from Texas Instruments

The Texas Instruments DLPDLCR2000EVM is a demonstration cape designed to plug into a BeagleBone Black (BBB) and provide instant-on projection capabilities using a digital micromirror device and a relatively high-power RGB LED.

July 09, 2018 by Mark Hughes