Latest Filters Articles and Videos

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?

TDK’s MAF series of noise suppression filters are miniaturized audio line filters designed for use in smartphones,…

TDK’s MAF series of noise suppression filters are miniaturized audio line filters designed for use in smartphones, tablets, portable game consoles, and other devices with wireless receivers.

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.

Part 11 of the Resolving the Signal series explores how power supplies contribute to unwanted noise, how to measure and…

Part 11 of the Resolving the Signal series explores how power supplies contribute to unwanted noise, how to measure and quantify that noise, and how noise ends up impacting system performance.

Toshiba’s TK040N65Z is a 650V n-channel enhancement mode power MOSFET in Toshiba’s DTMOS VI series and is designed to…

Toshiba’s TK040N65Z is a 650V n-channel enhancement mode power MOSFET in Toshiba’s DTMOS VI series and is designed to improve efficiency in high speed switching power supplies.

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.

Part 10 of the Resolving the Signal series covers how clocks affect precision ADCs, touching on clock jitter, clock…

Part 10 of the Resolving the Signal series covers how clocks affect precision ADCs, touching on clock jitter, clock intermodulation and best PCB layout practices for clocking.

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.

In this article, we’ll take a look at the Analog Devices AD5758, which is a single-channel DAC with dynamic power…

In this article, we’ll take a look at the Analog Devices AD5758, which is a single-channel DAC with dynamic power control and HART connectivity.

Part 9 of the Resolving the Signal series analyzes several different methods for reducing reference noise's effect in…

Part 9 of the Resolving the Signal series analyzes several different methods for reducing reference noise's effect in systems and examines the difference of reference noise's impact on low- and high-resolution ADCs.

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.