All About Circuits

Latest Digital Signal Processing Articles and Videos

Categories

Choosing the Most Suitable MEMS Accelerometer for Your Application: Part 2

Choosing the Most Suitable MEMS Accelerometer for Your Application: Part 2

In part 2 of this article, we will focus on key specifications and features in the context of wearable devices, condition monitoring, and IoT applications.


A New Wireless-Enabled Audio Processor for Hearing Aids and Cochlear Implants

A New Wireless-Enabled Audio Processor for Hearing Aids and Cochlear Implants

Let's take a look at ON Semiconductor's new DSP-based hybrid IC solution that brings wireless connectivity to hearing aids and cochlear implants.


News Dec 11, 2017 by Nick Davis
High-Speed Waveform Generation with an MCU and a DAC

High-Speed Waveform Generation with an MCU and a DAC

In this article, we’ll evaluate different firmware strategies in our pursuit of maximum-frequency analog signal generation.


Projects Dec 08, 2017 by Robert Keim
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.


The Polyphase Implementation of Interpolation Filters in Digital Signal Processing

The Polyphase Implementation of Interpolation Filters in Digital Signal Processing

This article discusses an efficient implementation of the interpolation filters called the polyphase implementation.


How to Generate a High-Precision Waveform Using a DAC and a Custom PCB

How to Generate a High-Precision Waveform Using a DAC and a Custom PCB

In this article, we’ll develop firmware that will serve as the basis for high-precision, high-speed signal generation.


Projects Dec 01, 2017 by Robert Keim
Fixed-Point Representation: The Q Format and Addition Examples

Fixed-Point Representation: The Q Format and Addition Examples

Fixed-point representation allows us to use fractional numbers on low-cost integer hardware.


Optimizing Smart Water Meters: A New Ultrasonic-Sensing Microcontroller from TI

Optimizing Smart Water Meters: A New Ultrasonic-Sensing Microcontroller from TI

In this article, we look at TI's new integrated ultrasonic-sensing MCU—the MSP430FR6047—that can deliver more accurate measurement for smart water meters.


News Nov 30, 2017 by Nick Davis
Power Supply Management of GaN MMIC Power Amplifiers for Pulsed Radar

Power Supply Management of GaN MMIC Power Amplifiers for Pulsed Radar

Systems that incorporate highly integrated and highly sophisticated, high power radio frequency (RF) GaN power amplifiers (PAs), such as pulsed radar applications, are a constant challenge for today’s digital control and management systems to keep up with these ever-increasing levels of sophistication.


PCB Layout for an Arbitrary Waveform Generator

PCB Layout for an Arbitrary Waveform Generator

In this article we’ll discuss the PCB layout for a custom-designed arbitrary waveform generator board.


Circular Buffer: A Critical Element of Digital Signal Processors

Circular Buffer: A Critical Element of Digital Signal Processors

This article discusses circular buffering, which allows us to significantly accelerate the data transfer in a real-time system.


High Definition, Low Delay, SDR-Based Video Transmission in UAV Applications

High Definition, Low Delay, SDR-Based Video Transmission in UAV Applications

Integrated RF agile transceivers are not only widely employed in software-defined radio (SDR) architectures in cellular telephone base stations, such as multiservice distributed access system (MDAS) and small cell, but also for wireless HD video transmission for industrial, commercial, and military applications, such as unmanned aerial vehicles (UAVs).


Implementing an Electronic Leveling Tool

Implementing an Electronic Leveling Tool

While it can be challenging to design electronic versions of precision tools, in this Industry Article we design an electronic level that matches the features of a conventional tool.


Companding: Logarithmic Laws, Implementation, and Consequences

Companding: Logarithmic Laws, Implementation, and Consequences

This article aims to explain the logarithmic laws of companding and the methods of implementation along with the effects these methods bring into the PCM-based telephone systems.


Learn about the Overlap-Add Method: Linear Filtering Based on the Discrete Fourier Transform

Learn about the Overlap-Add Method: Linear Filtering Based on the Discrete Fourier Transform

The overlap-add method allows us to use the DFT-based method when calculating the convolution of very long sequences.


Ultrawideband DPD: The Rewards and Challenges of Implementation in Cable Distribution Systems

Ultrawideband DPD: The Rewards and Challenges of Implementation in Cable Distribution Systems

This article looks at new technologies regarding the existing cable network, in particular, power amplifier digital predistortion.


DAC Output Circuitry for an Arbitrary Waveform Generator

DAC Output Circuitry for an Arbitrary Waveform Generator

How do you convert DAC output currents into a normal voltage signal? Let’s take a look.


Linear Filtering Based on the Discrete Fourier Transform

Linear Filtering Based on the Discrete Fourier Transform

The DFT provides an efficient way to calculate the time-domain convolution of two signals.


Dialog Semiconductor to Acquire Silego for $306 Million in Bid for the IoT

Dialog Semiconductor to Acquire Silego for $306 Million in Bid for the IoT

Dialog Semiconductor is set to acquire Silego for a reported $306 million. How will this affect their product lines?


News Oct 14, 2017 by Tim Youngblood
DAC Schematic Design for an Arbitrary Waveform Generator

DAC Schematic Design for an Arbitrary Waveform Generator

This article presents a custom digital-to-analog-conversion design built around a high-speed DAC from Analog Devices.