Latest Filters Articles and Videos

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.

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.

In part 2 of this series, I'll continue the fundamental ADC noise discussion by covering how to measure ADC noise, noise…

In part 2 of this series, I'll continue the fundamental ADC noise discussion by covering how to measure ADC noise, noise specifications in ADC data sheets, and absolute versus relative noise parameters.

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.

Nexperia’s PMDXB600UNEL is a 20 V dual n-channel enhancement mode MOSFET with low leakage current in an ultrasmall,…

Nexperia’s PMDXB600UNEL is a 20 V dual n-channel enhancement mode MOSFET with low leakage current in an ultrasmall, ultrathin leadless surface mount package.

In this article, I show that designers can achieve 10 GHz bandwidth when using a THA in front of one of Analog Dialogue's…

In this article, I show that designers can achieve 10 GHz bandwidth when using a THA in front of one of Analog Dialogue's RF market converters.

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 12-part “Resolving the Signal” series aims to provide a comprehensive understanding of noise in delta-sigma…

This 12-part “Resolving the Signal” series aims to provide a comprehensive understanding of noise in delta-sigma ADCs. In part 1 of this series, I’ll focus on ADC noise fundamentals.