Latest Amplifiers Articles and Videos

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.

This article will discuss the dynamic range specification of an ADC.

This article will discuss the dynamic range specification of an ADC.

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.

The Blomley amplifier was designed over forty years ago, is an alternative power amplifier design that suffers virtually…

The Blomley amplifier was designed over forty years ago, is an alternative power amplifier design that suffers virtually no distortion, and provides a sound which has the presence often lacking in conventional amplifiers.

This article helps you understand what PNP transistors are, how they’re used, and why they’re less common than NPN…

This article helps you understand what PNP transistors are, how they’re used, and why they’re less common than NPN transistors.

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.

Does the addition of a feedback divider affect PLL transient response? We’ll look at this question and other…

Does the addition of a feedback divider affect PLL transient response? We’ll look at this question and other frequency-multiplication topics in this article.

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 12-part article series focuses on the impact of noise in delta-sigma ADCs. Part 3 brings the theoretical information…

This 12-part article series focuses on the impact of noise in delta-sigma ADCs. Part 3 brings the theoretical information provided in parts 1 and 2 to a real-world design example.

A new operational amplifier from Texas Instruments offers impressive specifications in a very small package.

A new operational amplifier from Texas Instruments offers impressive specifications in a very small package.

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, explains the functionality of a clever circuit that accurately…

This article, part of AAC’s Analog Circuit Collection, explains the functionality of a clever circuit that accurately measures supply current.

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, shows you how linear voltage regulators can also be handy in…

This article, part of AAC’s Analog Circuit Collection, shows you how linear voltage regulators can also be handy in constant-current applications.

This article, part of AAC’s Analog Circuit Collection, discusses an interesting circuit in which an op-amp and an…

This article, part of AAC’s Analog Circuit Collection, discusses an interesting circuit in which an op-amp and an ordinary diode work together to create a superdiode.

This article, part of AAC’s Analog Circuit Collection, presents a straightforward way to precisely control the current…

This article, part of AAC’s Analog Circuit Collection, presents a straightforward way to precisely control the current through an LED (or through a typical resistive load).