In this article, we’ll first review the basic architecture of a SAR ADC and then take a look at one of its common applications.
October 24, 2019 by Dr. Steve Arar
This is Part 3 of a series of articles about the Moog ladder filter. In this article, we'll define the characteristics of the Moog filter, including its properties.
October 23, 2019 by Sam Gallagher
This article explores the Butterworth low-pass filter, also known as the maximally flat filter, from the perspective of its pole-zero diagram.
September 23, 2019 by Robert Keim
In this second part of a series of articles, we investigate the role of the output impedance of a real-life op-amp.
August 29, 2019 by Dr. Sergio Franco
In this first part of a series of articles, we investigate the role of the op-amp’s gain-bandwidth product (GBP).
August 28, 2019 by Dr. Sergio Franco
We are analyzing the behavior of the Moog ladder filter. In this section, we will analyze the heart of the topology and express the small-signal open-loop transfer function of the filter as a whole.
August 02, 2019 by Sam Gallagher
Learn about one of the only audio filter topologies out there, the Moog filter!
July 17, 2019 by Sam Gallagher
This article explains how to generate and refine a Nyquist plot in LTspice and how to incorporate this plot into your AC analysis.
July 10, 2019 by Robert Keim
This article continues a series on Nyquist diagrams by explaining Nyquist curves that represent the transfer function of a two-pole filter.
July 04, 2019 by Robert Keim
This article continues our exploration of the Nyquist plot by examining the relationship between the plot’s curve and a filter’s cutoff frequency.
July 02, 2019 by Robert Keim
Working with a low noise voltage reference? Learn more about noise specifications and relevant voltage reference ICs.
July 01, 2019 by Dr. Steve Arar
This article introduces the Nyquist plot and explains how to interpret this alternative method of visually evaluating a system’s frequency response.
June 28, 2019 by Robert Keim
Learn more about decompensated vs. fully-compensated op-amps and external methods of achieving compensation.
June 13, 2019 by Dr. Sergio Franco
This article explains what poles and zeros are and discusses the ways in which transfer-function poles and zeros are related to the magnitude and phase behavior of analog filter circuits.
May 26, 2019 by Robert Keim
This article continues our discussion of s-domain transfer functions and their role in the design and analysis of analog filters.
May 24, 2019 by Robert Keim
Learn how to simulate noise using LTspice and use this great tool to learn more about low-noise design.
May 22, 2019 by Stephen Colley
This article provides some insight into the relationship between an s-domain transfer function and the behavior of a first-order low-pass filter.
May 17, 2019 by Robert Keim
How can reactive elements affect phase shift in an LC circuit? Learn more about phase shift in analog design.
May 15, 2019 by Sam Gallagher
What is filtering? Learn what resistor-capacitor (RC) low-pass filters are and where you can use them.
May 12, 2019 by Robert Keim
Learn about phase shift and how this fundamental electrical phenomenon is related to different circuit configurations.
May 03, 2019 by Sam Gallagher
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