Working with a low noise voltage reference? Learn more about noise specifications and relevant voltage reference ICs.
July 01, 2019 by Dr. Steve Arar
Learn the methods and applications of modeling the quantization error of an ADC using a noise source.
April 22, 2019 by Dr. Steve Arar
This article examines the quantization error of an analog-to-digital converter.
April 17, 2019 by Dr. Steve Arar
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.
October 17, 2018 by Dr. Steve Arar
This article discusses a technique in which frequency-domain subtraction is used to selectively suppress the noise components in an audio signal.
September 20, 2018 by Robert Keim
Computing a discrete Fourier transform can help you to analyze the ways in which RF modulation affects the spectrum of a carrier signal.
September 11, 2018 by Robert Keim
Scilab’s FFT functionality can help you understand the frequency-domain effects of RF modulation techniques.
September 06, 2018 by Robert Keim
In this article we’ll work with sinusoidal signals in the frequency domain using Scilab’s fast Fourier transform (FFT) functionality.
September 04, 2018 by Robert Keim
This article discusses digital down-conversion which is a digital-signal-processing technique widely used in digital radio receivers.
June 04, 2018 by Dr. Steve Arar
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.
March 07, 2018 by Robert Keim
In this article, we’ll evaluate different firmware strategies in our pursuit of maximum-frequency analog signal generation.
December 08, 2017 by Robert Keim
Fixed-point representation allows us to use fractional numbers on low-cost integer hardware.
November 30, 2017 by Dr. Steve Arar
The overlap-add method allows us to use the DFT-based method when calculating the convolution of very long sequences.
October 25, 2017 by Dr. Steve Arar
The DFT provides an efficient way to calculate the time-domain convolution of two signals.
October 19, 2017 by Dr. Steve Arar
This article will verify that a suitable structure can reduce the sensitivity of a digital filter response to the coefficient quantization.
October 12, 2017 by Dr. Steve Arar
This article will review the basics of the frequency sampling method for designing FIR filters.
September 29, 2017 by Dr. Steve Arar
This article provides detailed information on sampling audio signals and transferring the data to a PC for analysis.
September 15, 2017 by Robert Keim
This article will review the basics of the decimation-in-time FFT algorithms.
August 28, 2017 by Dr. Steve Arar
This article will review the use of window functions to alleviate the DFT leakage.
August 23, 2017 by Dr. Steve Arar
This article attempts to give a deeper insight into the interpretation of DFT (direct Fourier transform) output.
August 17, 2017 by Dr. Steve Arar
Don't have an AAC account? Create one now.
Forgot your password? Click here.