Latest Filters Technical Articles

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.

This article is an introduction to the complex topic of DSP-based reduction of noise in audio signals.

This article is an introduction to the complex topic of DSP-based reduction of noise in audio signals.

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 basic signal-processing tasks that can be performed using a free and open source alternative to MATLAB.

This article discusses basic signal-processing tasks that can be performed using a free and open source alternative to MATLAB.

Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.

Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.

This article provides some tips on how to fine-tune the characteristics of a low-pass filter.

This article provides some tips on how to fine-tune the characteristics of a low-pass filter.