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Understanding Digital Oscilloscope Sample Rate and Analog Bandwidth Specs

Understanding Digital Oscilloscope Sample Rate and Analog Bandwidth Specs

In this article, we’ll examine two important specifications of a digital oscilloscope: analog bandwidth and sampling rate.


Introduction to Image Sensor Technology, from Photons to Electrons

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.


Analog Discovery 2 vs. Other PC-Based Oscilloscopes. Is AD2 Worth the Hype?

Analog Discovery 2 vs. Other PC-Based Oscilloscopes. Is AD2 Worth the Hype?

Analog Discovery 2 is called the "one tool with many functions." But how does it hold up against analogous T&M devices in the industry?


News Mar 12, 2020 by Dr. Steve Arar
Image Arithmetic in DSP: Image Averaging and Image Subtraction

Image Arithmetic in DSP: Image Averaging and Image Subtraction

Learn how to employ arithmetic operations on images as a way to enhance image quality, detect changes, and reduce noise.


OmniVision Brands 4K Video Processor as Lowest Power Consuming SoC of Its Kind

OmniVision Brands 4K Video Processor as Lowest Power Consuming SoC of Its Kind

Omnivision aims to make the High-Efficiency Video Coding (HEVC) standard a practical choice for battery-powered home security devices.


News Jan 06, 2020 by Gary Elinoff
Use Signal Averaging to Increase the Accuracy of Your Measurements

Use Signal Averaging to Increase the Accuracy of Your Measurements

In this article, we'll discuss the signal averaging method, a noise reduction technique, and how it can help increase the accuracy of your signal measurements.


How to Conduct Point Operations for Digital Image Processing: Using Look-up Tables

How to Conduct Point Operations for Digital Image Processing: Using Look-up Tables

Learn how to use look-up tables to conduct point operations in digital image processing.


Digital Image Processing: Point Operations to Adjust Brightness and Contrast

Digital Image Processing: Point Operations to Adjust Brightness and Contrast

In this article, we’ll first look at the basics of representing a digital image. Then, we’ll discuss some simple operations that allow us to adjust the brightness and contrast of an image. Finally, we’ll briefly look at the circuit implementation of these operations.


Low-Noise Voltage References: Understanding the Noise Performance of a Voltage Reference IC

Low-Noise Voltage References: Understanding the Noise Performance of a Voltage Reference IC

Working with a low noise voltage reference? Learn more about noise specifications and relevant voltage reference ICs.


Quantization Noise and Amplitude Quantization Error in ADCs

Quantization Noise and Amplitude Quantization Error in ADCs

Learn the methods and applications of modeling the quantization error of an ADC using a noise source.


Resolving the Signal Part 12: Reducing the Effects of Power-Supply Noise using Delta-Sigma ADCs

Resolving the Signal Part 12: Reducing the Effects of Power-Supply Noise using Delta-Sigma ADCs

In part 12 of Resolving the Signal, we look at a power-supply noise design example to discuss which supplies are most critical when trying to increase a system's PSR. From that example, we offer best practices to maintain low power-supply noise and debugging tips for a system's overall noise performance.


2D Convolution in Image Processing

2D Convolution in Image Processing

This article provides an insight on 2-D convolution and zero-padding with respect to digital image processing.


News Brief: ON Semiconductor’s Newest CCD Image Sensor for AOI Applications

News Brief: ON Semiconductor’s Newest CCD Image Sensor for AOI Applications

ON Semiconductor has announced their latest CCD image sensor, the KAI-50140, that incorporates 50 megapixels with industrial inspection in mind.


News Oct 30, 2018 by Robin Mitchell
Resolving the Signal Part 9: Reducing Reference Noise in High-Resolution Delta-Sigma ADC Circuits

Resolving the Signal Part 9: Reducing Reference Noise in High-Resolution Delta-Sigma ADC Circuits

Part 9 of the Resolving the Signal series analyzes several different methods for reducing reference noise's effect in systems and examines the difference of reference noise's impact on low- and high-resolution ADCs.


Understanding Color Models Used in Digital Image Processing

Understanding Color Models Used in Digital Image Processing

Learn about digital-signal-processing concepts that help us to store and manipulate color information.


Resolving the Signal Part 5: Understanding Effective Noise Bandwidth in Precision Delta-Sigma ADCs

Resolving the Signal Part 5: Understanding Effective Noise Bandwidth in Precision Delta-Sigma ADCs

Part 5 of this 12-part series continues to explore effective noise bandwidth as it relates to delta-sigma ADCs and system-level design by stepping through a simple example using a two-stage filter to understand how to calculate the ENBW and how system changes affect the ENBW.


Accelerating Embedded Vision Integration with Xilinx SoCs and the reVISION Stack

Accelerating Embedded Vision Integration with Xilinx SoCs and the reVISION Stack

SoCs with programmable logic are an essential element of real-time embedded vision systems. Designers can capitalize on the power and efficiency of Xilinx's Zynq Ultrascale+ MPSoC devices to implement their designs using Avnet's Embedded Vision Kits and the Xilinx reVISION stack.


Resolving the Signal Part 4: Understanding Effective Noise Bandwidth in Precision Delta-Sigma ADCs

Resolving the Signal Part 4: Understanding Effective Noise Bandwidth in Precision Delta-Sigma ADCs

Part 4 of this “Resolving the Signal” article series covers noise in delta-sigma ADCs focuses on understanding basic effective noise bandwidth (ENBW) topics.


Resolving the Signal: Introduction to Noise in Delta-Sigma ADCs Part 2

Resolving the Signal: Introduction to Noise in Delta-Sigma ADCs Part 2

In part 2 of this series, I'll continue the fundamental ADC noise discussion by covering how to measure ADC noise, noise specifications in ADC data sheets, and absolute versus relative noise parameters.


Pixel Intensity Histogram Characteristics: Basics of Image Processing and Machine Vision

Pixel Intensity Histogram Characteristics: Basics of Image Processing and Machine Vision

This article introduces the image histogram and discusses its characteristics and applications.