Latest Filters Technical Articles

In this first part of a series of articles, we investigate the role of the op-amp’s gain-bandwidth product (GBP).

In this first part of a series of articles, we investigate the role of the op-amp’s gain-bandwidth product (GBP).

We are analyzing the behavior of the Moog ladder filter. In this section, we will analyze the heart of the topology and…

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.

Learn about one of the only audio filter topologies out there, the Moog filter!

Learn about one of the only audio filter topologies out there, the Moog filter!

This article explains how to generate and refine a Nyquist plot in LTspice and how to incorporate this plot into your AC analysis.

This article explains how to generate and refine a Nyquist plot in LTspice and how to incorporate this plot into your AC analysis.

This article continues a series on Nyquist diagrams by explaining Nyquist curves that represent the transfer function of…

This article continues a series on Nyquist diagrams by explaining Nyquist curves that represent the transfer function of a two-pole filter.

This article continues our exploration of the Nyquist plot by examining the relationship between the plot’s curve and a…

This article continues our exploration of the Nyquist plot by examining the relationship between the plot’s curve and a filter’s cutoff frequency.

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.

This article introduces the Nyquist plot and explains how to interpret this alternative method of visually evaluating a…

This article introduces the Nyquist plot and explains how to interpret this alternative method of visually evaluating a system’s frequency response.

Learn more about decompensated vs. fully-compensated op-amps and external methods of achieving compensation.

Learn more about decompensated vs. fully-compensated op-amps and external methods of achieving compensation.

This article explains what poles and zeros are and discusses the ways in which transfer-function poles and zeros are…

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.

This article continues our discussion of s-domain transfer functions and their role in the design and analysis of analog filters.

This article continues our discussion of s-domain transfer functions and their role in the design and analysis of analog filters.

Learn how to simulate noise using LTspice and use this great tool to learn more about low-noise design.

Learn how to simulate noise using LTspice and use this great tool to learn more about low-noise design.

This article provides some insight into the relationship between an s-domain transfer function and the behavior of a…

This article provides some insight into the relationship between an s-domain transfer function and the behavior of a first-order low-pass filter.

How can reactive elements affect phase shift in an LC circuit? Learn more about phase shift in analog design.

How can reactive elements affect phase shift in an LC circuit? Learn more about phase shift in analog design.

What is filtering? Learn what resistor-capacitor (RC) low-pass filters are and where you can use them.

What is filtering? Learn what resistor-capacitor (RC) low-pass filters are and where you can use them.

Learn about phase shift and how this fundamental electrical phenomenon is related to different circuit configurations.

Learn about phase shift and how this fundamental electrical phenomenon is related to different circuit configurations.

This article will examine different faults of a diode bridge rectifier to provide some insight into troubleshooting an…

This article will examine different faults of a diode bridge rectifier to provide some insight into troubleshooting an AC/DC power supply.

This article takes a detailed look at the way in which pass-transistor logic degrades a signal and how this signal…

This article takes a detailed look at the way in which pass-transistor logic degrades a signal and how this signal degradation can be remedied.

This article discusses the use of pass-transistor configurations in the design of gated latches.

This article discusses the use of pass-transistor configurations in the design of gated latches.