Latest Filters Technical Articles

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.

This article discusses the efficient multiplexers that can be created by using MOSFETs in a pass-transistor configuration.

This article discusses the efficient multiplexers that can be created by using MOSFETs in a pass-transistor configuration.

This article presents efficient, pass-transistor-based implementations of important digital functionality.

This article presents efficient, pass-transistor-based implementations of important digital functionality.

What is reflection noise? What effects can it have on the functionality of your custom PCB? How can you mitigate it with…

What is reflection noise? What effects can it have on the functionality of your custom PCB? How can you mitigate it with better design practices?

This article explores an alternative, and in some cases advantageous, approach to MOSFET-based implementation of digital…

This article explores an alternative, and in some cases advantageous, approach to MOSFET-based implementation of digital logic functions.

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.

Noise on switch mode power supplies (SMPSs) sometimes gets a bum rap.

Noise on switch mode power supplies (SMPSs) sometimes gets a bum rap.

This two-article series presents an overview of circuit symbols and also provides some information on the components themselves.

This two-article series presents an overview of circuit symbols and also provides some information on the components themselves.

Learn what ground bounce is and how you can avoid it with design decisions from PCB layout to programming.

Learn what ground bounce is and how you can avoid it with design decisions from PCB layout to programming.

This article explores charge-amplifier design details, including ESD protection and frequency response.

This article explores charge-amplifier design details, including ESD protection and frequency response.