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Test & Measurement
Pixel Intensity Histogram Characteristics: Basics of Image Processing and Machine Vision
This article introduces the image histogram and discusses its characteristics and applications.
5 days ago
The Polyphase Implementation of Interpolation Filters in Digital Signal Processing
This article discusses an efficient implementation of the interpolation filters called the polyphase implementation.
December 06, 2017
Handling Fragile and Irregular PCBs in Processing and Testing Machines
Manufacturers can use fixtures or panels to secure or frame fragile, thin, or oddly shaped PCBs. This allows them to easily fit the boards in the standard assembly or inspection machines....
December 03, 2017
Fixed-Point Representation: The Q Format and Addition Examples
Fixed-point representation allows us to use fractional numbers on low-cost integer hardware.
November 30, 2017
Power Hold-Up and Energy Storage Management Devices
In this article, we discuss power hold-up and some energy storage management devices in the context of SSDs.
November 22, 2017
PCB Layout for an Arbitrary Waveform Generator
In this article we’ll discuss the PCB layout for a custom-designed arbitrary waveform generator board.
November 17, 2017
Two’s Complement Representation: Theory and Examples
This article will review the theory of the two’s complement representation along with some examples.
November 16, 2017
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.
November 13, 2017
Rigid vs. Flexible PCBs: Which One is Best for Your Next Project?
Learn about rigid PCBs vs. flexible PCBs, when it's better to use one type instead of the other, and learn about some manufacturing steps related to each of these PCB types....
November 10, 2017
Purpose and Internal Functionality of FPGA Look-Up Tables
This article explains the Look-Up Tables (LUTs) constituting Field Programmable Gate Arrays (FPGAs).
November 09, 2017
PCB Copper Trace Finish: Materials and Plating Methods
In this article, we discuss why PCB copper traces should be plated, and we’ll review various plating materials and plating methods.
November 03, 2017
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....
October 30, 2017
Overcurrent Protection in AC Power Systems
Get an intro to overcurrent protection and OCPDs (overcurrent protection devices).
October 27, 2017
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.
October 25, 2017
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.
October 20, 2017
Linear Filtering Based on the Discrete Fourier Transform
The DFT provides an efficient way to calculate the time-domain convolution of two signals.
October 19, 2017
Better Know a BLDC: Sensorless Brushless DC Motor Control
Learn about sensorless brushless DC motor controllers, some example ICs, and some disadvantages of using such motors.
October 18, 2017
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.
October 13, 2017
The Effect of Coefficient Quantization on the Performance of a Digital Filter
This article will verify that a suitable structure can reduce the sensitivity of a digital filter response to the coefficient quantization....
October 12, 2017
Microcontroller Design for an Arbitrary Waveform Generator
In this article, we’ll look at general concepts and some design details for a circuit board that can output a wide variety of analog signals....
October 06, 2017
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