Latest Filters Articles and Videos

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 shows how to implement an analog PID controller, including adjusting of the angular position of a DC motor…

This article shows how to implement an analog PID controller, including adjusting of the angular position of a DC motor shaft, editing the design to control its speed, and tuning PID parameters for reliable performance.

Analog Devices’ fido1100 Real-Time Communications Controllers have a “RTOS kernel on a chip” architecture and…

Analog Devices’ fido1100 Real-Time Communications Controllers have a “RTOS kernel on a chip” architecture and programmable I/O peripherals that provide the deterministic performance and protocol flexibility to meet the demands of embedded industrial applications.

The BMP388 is a digital MEMS barometer and thermometer in a 2mm x 2mm x 0.8mm package.

The BMP388 is a digital MEMS barometer and thermometer in a 2mm x 2mm x 0.8mm package.

This article will look at some of the most important features of the AD7768-1, a new ADC from Analog Devices that is…

This article will look at some of the most important features of the AD7768-1, a new ADC from Analog Devices that is intended for low-power data acquisition (DAQ) designs.

This 12-part article series focuses on the impact of noise in delta-sigma ADCs. Part 7 shows how to analyze different…

This 12-part article series focuses on the impact of noise in delta-sigma ADCs. Part 7 shows how to analyze different amplifiers' effect on the noise of the same ADC.

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.

Time is really important in electronics, being used in other measurements including the volt. Depending on the…

Time is really important in electronics, being used in other measurements including the volt. Depending on the application, different ways of time-keeping may be required for electronic devices. Here’s a look at a few ways of time-keeping, and their applications.

This article will look at some of the most important features of TLV320ADC3100 which is TI’s newly-released ADC for…

This article will look at some of the most important features of TLV320ADC3100 which is TI’s newly-released ADC for voice-activated systems.

Part 6 of this 12-part Resolving the Signal series focuses on output- versus input-referred noise, adding an amplifier at…

Part 6 of this 12-part Resolving the Signal series focuses on output- versus input-referred noise, adding an amplifier at the input of an ADC, and low- versus high-resolution ADCs as they relate to amplifier noise.

This article discusses some details—efficiency, noise, etc.—that influence the choice of operational frequencies for…

This article discusses some details—efficiency, noise, etc.—that influence the choice of operational frequencies for switch-mode power supplies.

The ADXL1005 by Analog Devices is a low noise, wide bandwidth, single-axis MEMS accelerometer with Analog Output.

The ADXL1005 by Analog Devices is a low noise, wide bandwidth, single-axis MEMS accelerometer with Analog Output.

Part 5 of this 12-part series continues to explore effective noise bandwidth as it relates to delta-sigma ADCs and…

Part 5 of this 12-part series continues to explore effective noise bandwidth as it relates to delta-sigma ADCs and system-level design by stepping through a simple example using a two-stage filter to understand how to calculate the ENBW and how system changes affect the ENBW.

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.

Part 4 of this “Resolving the Signal” article series covers noise in delta-sigma ADCs focuses on understanding basic…

Part 4 of this “Resolving the Signal” article series covers noise in delta-sigma ADCs focuses on understanding basic effective noise bandwidth (ENBW) topics.

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.