Latest Filters Technical Articles

This article will review considerations for efficient FPGA implementation of symmetric FIR filters.

This article will review considerations for efficient FPGA implementation of symmetric FIR filters.

This technical brief discusses the Early effect and how it influences the amplification characteristics of a bipolar…

This technical brief discusses the Early effect and how it influences the amplification characteristics of a bipolar junction transistor.

In this article we’ll explore the mathematical relationships that will help you to design a PLL that quickly and…

In this article we’ll explore the mathematical relationships that will help you to design a PLL that quickly and smoothly locks onto the input frequency.

This article introduces a phase-based feedback system that plays an important role in many applications.

This article introduces a phase-based feedback system that plays an important role in many applications.

This article, part of AAC’s Analog Circuit Collection, presents a circuit that is a good choice when you need to remove…

This article, part of AAC’s Analog Circuit Collection, presents a circuit that is a good choice when you need to remove high-frequency noise from a digital signal.

This article, part of AAC’s Analog Circuit Collection, discusses a filter circuit that allows you to choose between a…

This article, part of AAC’s Analog Circuit Collection, discusses a filter circuit that allows you to choose between a low-pass, a high-pass, and a band-pass response.

This article, part of AAC’s Analog Circuit Collection, explores a handy circuit that can generate sustained sinusoidal…

This article, part of AAC’s Analog Circuit Collection, explores a handy circuit that can generate sustained sinusoidal oscillations.

This article, part of AAC’s Analog Circuit Collection, explains a fairly straightforward circuit that can be used as…

This article, part of AAC’s Analog Circuit Collection, explains a fairly straightforward circuit that can be used as part of an analog oscillator.

This article discusses circular buffering, which allows us to significantly accelerate the data transfer in a real-time system.

This article discusses circular buffering, which allows us to significantly accelerate the data transfer in a real-time system.

This article will review some basic structures to implement Finite Impulse Response (FIR) filters.

This article will review some basic structures to implement Finite Impulse Response (FIR) filters.

This article will review the basics of the frequency sampling method for designing FIR filters.

This article will review the basics of the frequency sampling method for designing FIR filters.

In this article, we’ll look at a fairly straightforward circuit that enables a robot or other device to detect sound.

In this article, we’ll look at a fairly straightforward circuit that enables a robot or other device to detect sound.

Learn how to implement a moving average filter and optimize it with CIC architecture.

Learn how to implement a moving average filter and optimize it with CIC architecture.

This article reviews the basics of D/A conversion and explains how multirate DSP can lead to a more efficient system.

This article reviews the basics of D/A conversion and explains how multirate DSP can lead to a more efficient system.

Good analog-to-digital conversion starts with good pre-ADC signal conditioning. Specialized devices such as the…

Good analog-to-digital conversion starts with good pre-ADC signal conditioning. Specialized devices such as the LTC6432-15 can help in this effort.

Researchers develop a wearable sensor for detecting important analytes in sweat for monitoring dehydration.

Researchers develop a wearable sensor for detecting important analytes in sweat for monitoring dehydration.

Isolation components, such as the ACPL-C799, allow you to transfer data without establishing a direct electrical…

Isolation components, such as the ACPL-C799, allow you to transfer data without establishing a direct electrical connection between two parts of a system.

In this article, we'll first study types of noise and then try to eliminate them by filtering the data. Finally, we'll…

In this article, we'll first study types of noise and then try to eliminate them by filtering the data. Finally, we'll try to find peaks in that data.

LED ring flashes and lights can be a valuable tool for photographers. In this tutorial, we are going to build our own…

LED ring flashes and lights can be a valuable tool for photographers. In this tutorial, we are going to build our own ring light out of LEDs!