Latest Amplifiers Technical Articles

Understanding Photovoltaic and Photoconductive Modes of Photodiode Operation

In this article, we’ll look at advantages of two types of photodiode implementation.

December 20, 2020 by Robert Keim

Efficient Orthogonal Variable Optimization Algorithm for Communication Systems

This article discusses an algorithm to find the optimum adjusted point in a two-dimensional space with orthogonal input vectors. The algorithm solves equations for intersecting circles based on measured data points.

December 15, 2020 by Russell Hoppenstein, Texas Instruments

Construction of a Guitar Amplifier

This article explains the theory and the construction of the circuit of a 10W practice guitar amplifier.

November 29, 2020 by Teja Sai Marellapudi

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