Latest Digital Filters Technical Articles

This article will examine some properties of the DNL and INL specifications.

This article will examine some properties of the DNL and INL specifications.

So you have a schematic. How do you lay out your custom board? In this article, we'll go over the challenges and…

So you have a schematic. How do you lay out your custom board? In this article, we'll go over the challenges and solutions I came across in designing a custom PCB for an inclinometer subsystem.

This article explores the surprisingly complicated details associated with a word that we frequently use but perhaps…

This article explores the surprisingly complicated details associated with a word that we frequently use but perhaps don’t fully understand.

This article will explain some of the most important settings and design parameters for the Xilinx FFT IP core and…

This article will explain some of the most important settings and design parameters for the Xilinx FFT IP core and function as a basic walkthrough of the Fast Fourier Transform interface.

This article presents Scilab code that allows you to generate I/Q, noise, and chirp signals from your PC’s headphone jack.

This article presents Scilab code that allows you to generate I/Q, noise, and chirp signals from your PC’s headphone jack.

In this article, we’ll use Scilab to generate numerical signals that can be converted into analog waveforms by a…

In this article, we’ll use Scilab to generate numerical signals that can be converted into analog waveforms by a computer’s audio hardware.

This article discusses the mathematical significance of I/Q signals and presents the final steps in the DSP algorithm for…

This article discusses the mathematical significance of I/Q signals and presents the final steps in the DSP algorithm for decoding frequency-shift-keying baseband signals.

An improved algorithm, in conjunction with quadrature modulation, can achieve FSK decoding that is not affected by phase…

An improved algorithm, in conjunction with quadrature modulation, can achieve FSK decoding that is not affected by phase misalignment.

In this article we’ll use Scilab to explore the effect of unpredictable phase variations in a demodulated…

In this article we’ll use Scilab to explore the effect of unpredictable phase variations in a demodulated frequency-shift-keying baseband signal.

This article will review the common FPGA resources that allow us to efficiently generate and distribute clock signals…

This article will review the common FPGA resources that allow us to efficiently generate and distribute clock signals throughout a system.

This article discusses a technique in which frequency-domain subtraction is used to selectively suppress the noise…

This article discusses a technique in which frequency-domain subtraction is used to selectively suppress the noise components in an audio signal.

This article is an introduction to the complex topic of DSP-based reduction of noise in audio signals.

This article is an introduction to the complex topic of DSP-based reduction of noise in audio signals.

Computing a discrete Fourier transform can help you to analyze the ways in which RF modulation affects the spectrum of a…

Computing a discrete Fourier transform can help you to analyze the ways in which RF modulation affects the spectrum of a carrier signal.

In this article we’ll work with sinusoidal signals in the frequency domain using Scilab’s fast Fourier transform…

In this article we’ll work with sinusoidal signals in the frequency domain using Scilab’s fast Fourier transform (FFT) functionality.

Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.

Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.

This article provides some tips on how to fine-tune the characteristics of a low-pass filter.

This article provides some tips on how to fine-tune the characteristics of a low-pass filter.

This article will discuss phase truncation in direct digital synthesizers.

This article will discuss phase truncation in direct digital synthesizers.

This article will discuss the dynamic range specification of an ADC.

This article will discuss the dynamic range specification of an ADC.

This article discusses digital down-conversion which is a digital-signal-processing technique widely used in digital…

This article discusses digital down-conversion which is a digital-signal-processing technique widely used in digital radio receivers.