In this article, we conclude our discussion of VNAs by walking through the steps of a SOLT calibration and examining the potential non-idealities of its…
In this article, we conclude our discussion of VNAs by walking through the steps of a SOLT calibration and examining the potential non-idealities of its reference standards.
Real-time image processing is a resource-intensive task that often requires specialized hardware. With that in mind,…
Real-time image processing is a resource-intensive task that often requires specialized hardware. With that in mind, let's explore processors that are designed specifically for photo and video applications.
This article provides a general understanding of what DSP is, how it works, and what advantages it can offer. To…
This article provides a general understanding of what DSP is, how it works, and what advantages it can offer. To appreciate the advantages of DSP, let’s first have a look at the conventional method of signal processing, i.e., analog signal processing.
In this article, you'll learn the basics of the CMOS image sensor, including its core components, its block diagram, its…
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.
The concept of dynamic range appears frequently in engineering discussions. But what exactly does this term mean? And how…
The concept of dynamic range appears frequently in engineering discussions. But what exactly does this term mean? And how does it apply to electronic circuits and systems?
This article explains how CCD construction, operating parameters, and external signal-processing circuitry contribute to…
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.
In this article, we’ll draw upon our knowledge of noise sources and combine it with some new information to create a…
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.
In this article, we’ll take a look at electrical and optical conditions that contribute to reduced image quality in CCD…
In this article, we’ll take a look at electrical and optical conditions that contribute to reduced image quality in CCD camera systems.
This article examines an important aspect of the Nyquist–Shannon sampling theorem and explains its connection to the…
This article examines an important aspect of the Nyquist–Shannon sampling theorem and explains its connection to the need for anti-aliasing filters in analog-to-digital conversion.
This article continues our series on sampling theory by explaining the importance of oversampling in real-life…
This article continues our series on sampling theory by explaining the importance of oversampling in real-life mixed-signal systems.
This article continues our discussion of sampling theory and introduces the concept of aliasing.
This article continues our discussion of sampling theory and introduces the concept of aliasing.
This article explains a technique that allows us to incorporate flexibility into the operational parameters of a CCD…
This article explains a technique that allows us to incorporate flexibility into the operational parameters of a CCD imaging system.
In this article, we’ll see that the amount of noise in image data from a CCD sensor can be greatly reduced by a…
In this article, we’ll see that the amount of noise in image data from a CCD sensor can be greatly reduced by a technique known as correlated double sampling.
In this article, we’ll examine two important specifications of a digital oscilloscope: analog bandwidth and sampling rate.
In this article, we’ll examine two important specifications of a digital oscilloscope: analog bandwidth and sampling rate.
This article, the first in a series, discusses light-sensitive electronic devices called photodiodes and compares CCD and…
This article, the first in a series, discusses light-sensitive electronic devices called photodiodes and compares CCD and CMOS sensors.
Learn how to employ arithmetic operations on images as a way to enhance image quality, detect changes, and reduce noise.
Learn how to employ arithmetic operations on images as a way to enhance image quality, detect changes, and reduce noise.
In this article, we'll discuss the signal averaging method, a noise reduction technique, and how it can help increase the…
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.
Learn how to use look-up tables to conduct point operations in digital image processing.
Learn how to use look-up tables to conduct point operations in digital image processing.
In this article, we’ll first look at the basics of representing a digital image. Then, we’ll discuss some simple…
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.
Working with a low noise voltage reference? Learn more about noise specifications and relevant voltage reference ICs.
Working with a low noise voltage reference? Learn more about noise specifications and relevant voltage reference ICs.