Latest Digital Signal Processing Articles and Videos

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.

Radio Signal Strength Indicators, a common method of contact tracing, often yield inaccurate positioning results. Dialog…

Radio Signal Strength Indicators, a common method of contact tracing, often yield inaccurate positioning results. Dialog Semiconductor says they have a better solution.

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.

The filter, developed by researchers at Toyohashi University of Technology (TUT), realizes in-band full-duplex by using…

The filter, developed by researchers at Toyohashi University of Technology (TUT), realizes in-band full-duplex by using the same frequency to simultaneously transmit and receive wireless communications.

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.

Pulse Width Modulation is a method commonly used to generate an analog signal output from digital input. But how is this…

Pulse Width Modulation is a method commonly used to generate an analog signal output from digital input. But how is this feature enhanced when combined with a power MOSFET in a single device?

The Nyquist sampling theorem, or more accurately the Nyquist-Shannon theorem, is a fundamental theoretical principle that…

The Nyquist sampling theorem, or more accurately the Nyquist-Shannon theorem, is a fundamental theoretical principle that governs the design of mixed-signal electronic systems.

Researchers at the École Polytechnique Fédérale de Lausanne (EPFL), an institute in Switzerland, created a process…

Researchers at the École Polytechnique Fédérale de Lausanne (EPFL), an institute in Switzerland, created a process that uses deep ultraviolet stepper lithography that outperforms current nanofabrication techniques.

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.

What can Melexis' new hall-effect sensor teach us about non-contact torque sensors and electric power-assisted steering…

What can Melexis' new hall-effect sensor teach us about non-contact torque sensors and electric power-assisted steering in general?

What do these two powerhouses plan to do with Xilinx's adaptive compute acceleration platform?

What do these two powerhouses plan to do with Xilinx's adaptive compute acceleration platform?

Laptop or desktop PC designers know the woes of USB signal loss down a 12-inch PCB trace. The good news is there's a…

Laptop or desktop PC designers know the woes of USB signal loss down a 12-inch PCB trace. The good news is there's a device purpose-built to strengthen signals the whole way across.

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.

Researchers have developed a prototype system that in theory could increase data transfer speeds to highs of 10 terabits…

Researchers have developed a prototype system that in theory could increase data transfer speeds to highs of 10 terabits per second.

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.