Latest Spectral Analysis Technical Articles

In this article, we’ll first examine an important feature of common noise sources: the relationship between the noise…

In this article, we’ll first examine an important feature of common noise sources: the relationship between the noise root mean square (RMS) and peak-to-peak value.

In this article, we’ll look at the relationship between the rise/fall time of a digital signal and its bandwidth.

In this article, we’ll look at the relationship between the rise/fall time of a digital signal and its bandwidth.

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.

Learn the methods and applications of modeling the quantization error of an ADC using a noise source.

Learn the methods and applications of modeling the quantization error of an ADC using a noise source.

This article examines the quantization error of an analog-to-digital converter.

This article examines the quantization error of an analog-to-digital converter.

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 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.

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.

Scilab’s FFT functionality can help you understand the frequency-domain effects of RF modulation techniques.

Scilab’s FFT functionality can help you understand the frequency-domain effects of RF modulation techniques.

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.

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.

This article, part of AAC’s Analog Circuit Collection, presents a circuit that is a good choice when you need to remove…

This article, part of AAC’s Analog Circuit Collection, presents a circuit that is a good choice when you need to remove high-frequency noise from a digital signal.

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

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

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

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

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

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

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

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

This article will verify that a suitable structure can reduce the sensitivity of a digital filter response to the…

This article will verify that a suitable structure can reduce the sensitivity of a digital filter response to the coefficient quantization.

This article will review the basics of the frequency sampling method for designing FIR filters.

This article will review the basics of the frequency sampling method for designing FIR filters.

This article provides detailed information on sampling audio signals and transferring the data to a PC for analysis.

This article provides detailed information on sampling audio signals and transferring the data to a PC for analysis.