Latest Amplifiers Technical Articles

Categories

What Is a Graphene Field Effect Transistor (GFET)? Construction, Benefits, and Challenges

Learn all about graphene field-effect transistors or GFETs. We'll cover their construction, as well as the benefits and challenges of designing with them.

November 12, 2020 by Amos Kingatua

Simulating an Op-Amp’s Offset Voltage Variation

In this article, we’ll create an LTspice circuit for analyzing the effect of unpredictable offset voltage on the performance of a precision current-source circuit.

October 27, 2020 by Robert Keim

How to Design a Precision Current Pump with Op-Amps

This article discusses a voltage-controlled current-source circuit that requires only two op-amps and a handful of resistors.

October 16, 2020 by Robert Keim

Technology Enablers for Faster, Safer, High-Efficiency EV chargers

This article looks at semiconductor technologies that are driving EV chargers, including high-voltage semiconductor switches, power converters, and multi-level complex power stages.

October 06, 2020 by Jayanth Rangaraju, Texas Instruments

Non-Idealities in VLSI Circuits

This article discusses VLSI (very-large-scale integration) circuits and the sources of non-idealities that affect MOS transistors.

September 29, 2020 by Tosin Jemilehin

How to Reduce Noise in Low-Voltage Amplifier Designs

This article compares the noise performance of two different amplifiers and optimizes noise performance through the use of passive filtering.

September 29, 2020 by Daniel Miller, Texas Instruments

Precisely Capture Servo Motor Position Using a High-Speed Simultaneous Sampling ADC

Autonomous drones and robots utilize small motors. These fast-spinning mini motors require miniature encoders and IC package sizes. This article shows how an optical sinusoidal encoder provides a higher resolution and increased speeds with a 2x3 mm dual simultaneous-sampling SAR-ADC.

August 11, 2020 by Bonnie Baker, Maxim Integrated

How Standard Deviation Relates to Root-Mean-Square Values

This article explores an interesting connection between an important statistical measure and one of the fundamental analytical tools of electrical engineering.

July 28, 2020 by Robert Keim

Understanding Types of Lock-In Amplifiers and Related Noise Sources

This article is a general guideline on the main aspects of commercially-available amplifiers.

June 16, 2020 by Ignacio de Mendizábal

Basic Fundamentals of Lock-In Amplifiers

This article discusses the theory fundamentals of lock-in amplifiers.

June 04, 2020 by Ignacio de Mendizábal

What Is Dynamic Range?

The concept of dynamic range appears frequently in engineering discussions. But what exactly does this term mean? And how does it apply to electronic circuits and systems?

June 03, 2020 by Robert Keim

Understanding CCD Output Signals

This article discusses charge-amplification techniques and explains the characteristics of the voltage waveform that contains a CCD’s pixel data.

April 08, 2020 by Robert Keim

Understanding Digital Oscilloscope Sample Rate and Analog Bandwidth Specs

In this article, we’ll examine two important specifications of a digital oscilloscope: analog bandwidth and sampling rate.

March 24, 2020 by Steve Arar

Understanding Operational Amplifier Slew Rate

This article explores an important limitation that can cause a real-life op-amp to deviate from the behavior of its idealized counterpart.

February 28, 2020 by Robert Keim

Improving Phase Accuracy Using a Composite Op-Amp

This is the final part of a six-article series on composite amplifiers. In this last part, we'll show how to improve phase accuracy.

February 27, 2020 by Dr. Sergio Franco

Achieving High DC Precision Using Composite Op-Amps

In Part 5 of this series on composite amplifiers, we'll discuss how to achieve higher DC precision.

February 25, 2020 by Dr. Sergio Franco

How to Increase Slew Rate in Op Amps

Learn how to get faster composite op-amp dynamics by raising the slew rate.

February 24, 2020 by Dr. Sergio Franco

Achieving Faster Composite Op-Amp Dynamics by Expanding the Frequency Bandwidth

This is Part 3 of the series of articles about composite amplifiers. In this section, we are going to show how to achieve faster op-amp dynamics by expanding the frequency bandwidth.

February 23, 2020 by Dr. Sergio Franco

How to Boost the Output Current Drive Capability of an Op-Amp

In the first part of this series on composite amplifiers, we'll investigate one method of boosting an op-amp’s output current drive capability.

February 20, 2020 by Dr. Sergio Franco

Analog and Digital Implementation of a Synchronous Demodulator

In this article, we’ll take a look at the analog blocks for implementing the square wave-based synchronous demodulator.

February 12, 2020 by Steve Arar