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Unconditional Stability and Potential Instability in RF Amplifier Design

Unconditional Stability and Potential Instability in RF Amplifier Design

Stability analysis is an integral part of RF design. Learn the basics of stability analysis, including how to determine whether a device is unconditionally stable or potentially unstable.


NISSHINBO MICRO DEVICES NT1189GDAE3S High Linearity Low Noise Amplifier | New Product Brief

NISSHINBO MICRO DEVICES NT1189GDAE3S High Linearity Low Noise Amplifier | New Product Brief

The NT1189GDAE3S High Linearity Low Noise Amplifier by Nisshinbo Micro Devices is a high-performing LNA designed to operate within the 3.3 to 5.0 Gigahertz range. Watch and learn all about their features, specs, applications, and more!


Audio Roundup: Three New Offerings Amp Up Sound Performance

Audio Roundup: Three New Offerings Amp Up Sound Performance

New products from Dolphin Design, Qualcomm, and Cirrus Logic work independently toward better performance, power consumption, and latency across the audio device industry.


News Aug 12, 2023 by Duane Benson
Design of an Unweighted Audio Filter with Flat Frequency Response

Design of an Unweighted Audio Filter with Flat Frequency Response

This article presents the design of an unweighted (Z-weighted) audio filter with a flat frequency response from 20 Hz to 20 kHz for the measurement of audio noise.


Projects Jul 23, 2023 by John Woodgate
Lee de Forest, the Audion, and the Dawn of the Age of Microelectronics

Lee de Forest, the Audion, and the Dawn of the Age of Microelectronics

A scholar, researcher, and tireless inventor, Lee de Forest made a seemingly small modification to vacuum-tube technology. The repercussions in the incipient electronics industry were immense.


News Jun 20, 2023 by Robert Keim
Characterize RF Noise Components Using Equivalent Noise Temperature

Characterize RF Noise Components Using Equivalent Noise Temperature

Learn another way to characterize RF noise components using noise temperature and how this concept clears up how noise figure measurement instruments actually work.


Noise Figure Concepts—Power Gain, Lossy Components, and Cascaded Systems

Noise Figure Concepts—Power Gain, Lossy Components, and Cascaded Systems

Learn about the RF noise figure (NF), its power gain, lossy components, and cascaded systems.


Analyzing a Negative Voltage Charge Pump in LTspice—Source and Load Resistance

Analyzing a Negative Voltage Charge Pump in LTspice—Source and Load Resistance

Learn about using LTspice simulations to provide important insight into the performance of a switched-capacitor voltage-inverting power supply.


Designing a Wideband Analog Voltage and Current Meter

Designing a Wideband Analog Voltage and Current Meter

Design a wideband analog multimeter to measure AC voltages and currents from 20 Hz to 1 MHz with a selectable sensitivity from 1 mV to 100 V, while the ammeter has a selectable current sensitivity of 10 mA to 10 A.


Projects May 03, 2023 by John Woodgate
xMEMS’ All-silicon, Solid-state Fidelity Micro Speakers Now Available

xMEMS’ All-silicon, Solid-state Fidelity Micro Speakers Now Available

These speakers are said to offer higher performance in a smaller size, bringing high-fidelity audio to new applications.


News Apr 25, 2023 by Aaron Carman
Can Voltage Be Negative? Understanding Negative Voltage

Can Voltage Be Negative? Understanding Negative Voltage

In addition to explaining the nature of a negative voltage, this article briefly discusses how negative voltages are generated and why they are useful in circuit design.


Modules and Dev Kits Emerge for Building Amazon Sidewalk Devices

Modules and Dev Kits Emerge for Building Amazon Sidewalk Devices

As the company opens Sidewalk up for testing, the service from Amazon could have big implications in the IoT and smart home space.


News Mar 29, 2023 by Jake Hertz
STMicro Rolls All-in-one Motion and Bone-conduction Sensor for Hearables

STMicro Rolls All-in-one Motion and Bone-conduction Sensor for Hearables

With its new sensor IC, STMicroelectronics hopes to enable a new class of hearables for applications like true wireless stereo (TWS).


News Mar 06, 2023 by Jake Hertz
Infineon Unveils Tiny MEMS Microphone Touting High SNR, 520 μA Power

Infineon Unveils Tiny MEMS Microphone Touting High SNR, 520 μA Power

Putting its proprietary MEMS technology and clever ASIC design to work, Infineon marries high audio quality and low lower in a tiny microphone device.


News Feb 13, 2023 by Jeff Child
Op Amp and Transistor-based Analog Square Wave Generator Design

Op Amp and Transistor-based Analog Square Wave Generator Design

Analog oscillator circuits are commonly used to create square wave clock signals for the timing of synchronous circuits. This article covers the theory, design, and key features of analog square wave generators.


Ray Dolby, the Engineer Who Revamped Sound Technology

Ray Dolby, the Engineer Who Revamped Sound Technology

Before his name became a brand and a household word, Ray Dolby was a pioneer in noise reduction technology. His innovations revolutionized the audio and entertainment industries.


News Aug 31, 2022 by Lianne Frith
Electronic Component Aging—the Aging Effects of Resistors and Op-amps

Electronic Component Aging—the Aging Effects of Resistors and Op-amps

Learn about the aging behavior of resistors and amplifiers using temperature calculations and the Arrhenius equation to understand resistor drift, resistor stability, and op-amp drift.


Amar Bose, the Man Behind the Headphones

Amar Bose, the Man Behind the Headphones

His name became legendary in the world of consumer audio, but Bose—professor, researcher, engineer, inventor—was much more than a business-savvy audiophile.


News Jul 25, 2022 by Robert Keim
The Reverberations of Alan Blumlein, the Father of Modern Stereos

The Reverberations of Alan Blumlein, the Father of Modern Stereos

Responsible for the modern stereo and an advanced World War II radar, Alan Blumlein revolutionized sound engineering.


News Jun 27, 2022 by Biljana Ognenova
Researchers Build Custom “Headphones” to Bump Atomic Radio Efficiency

Researchers Build Custom “Headphones” to Bump Atomic Radio Efficiency

NIST researchers recently built a custom headphone-like structure to boost the sensitivity of an atomic radio receiver a hundredfold.


News Jun 02, 2022 by Darshil Patel