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Exploring the Relationship Between FM Wave Bandwidth and the Modulation Index

Exploring the Relationship Between FM Wave Bandwidth and the Modulation Index

In this article, we'll investigate how varying the amplitude and frequency of the modulating tone impacts the bandwidth of FM signals. We'll also compare the modulation index in AM and FM schemes.


Boosting Power Efficiency with Würth Elektronik WE-PMFI Auto Mini Flat Wire Inductors | Tech Guide

Boosting Power Efficiency with Würth Elektronik WE-PMFI Auto Mini Flat Wire Inductors | Tech Guide

In this Tech Guide, we explore Würth Elektronik’s WE-PMFI Auto Mini Power Molded Flat Wire Inductors—built to deliver high-current performance and thermal stability in compact spaces. Watch now to get started!


TDK Unwraps Smart Home Sensors Marrying High Precision and Low Power

TDK Unwraps Smart Home Sensors Marrying High Precision and Low Power

MEMS microphones, ToF sensors, and motion-tracking IMUs from TDK deliver responsive, energy-efficient performance across smart home appliances, remotes, speakers, locks, and more.


News Jun 30, 2025 by Joshua Tidwell
Mini-Circuits PMA1-14LN+ Low Noise Amplifier | New Product Brief

Mini-Circuits PMA1-14LN+ Low Noise Amplifier | New Product Brief

Mini-Circuits PMA1-14LN+ Low Noise Amplifier is a compact, wideband pHEMT MMIC amplifier designed for high-performance RF applications from 50 MHz to 10 GHz. Watch and learn all about their features, specs, applications, and more!


Startup Intros ‘Most Advanced’ Multi-Gigahertz Timing and Clock Devices

Startup Intros ‘Most Advanced’ Multi-Gigahertz Timing and Clock Devices

Unveiled today, the new timing chips from Mixed-Signal Devices offer 2 GHz performance and use scalable CMOS to overcome the limits of analog alternatives.


News Jun 03, 2025 by Jeff Child
Audio Roundup: The Sweet Sound of Miniaturized, Efficient Audio Devices

Audio Roundup: The Sweet Sound of Miniaturized, Efficient Audio Devices

These three audio devices target amplifier efficiency and transducer size to bring higher sound performance in everything from EVs to AI sports glasses.


News May 01, 2025 by Aaron Carman
TDK-Lambda HWS3000G Power Supply | New Product Brief

TDK-Lambda HWS3000G Power Supply | New Product Brief

TDK-Lambda HWS3000G Programmable CVCC AC-DC Power Supply delivers reliable, high-power performance with up to 3000W output in a compact design. Watch and learn all about their features, specs, applications, and more!


Analog Devices Inc. ADXL382 3-Axis MEMS Accelerometers | Featured Product Spotlight

Analog Devices Inc. ADXL382 3-Axis MEMS Accelerometers | Featured Product Spotlight

Analog Devices Inc. ADXL382 3-Axis MEMS Accelerometers delivers industry-leading low noise, low power consumption, and wide bandwidth, making it ideal for precise measurement applications. Watch and learn all about their features, specs, applications, and more!


Introduction to Single-Sideband Modulation: The Filter Method

Introduction to Single-Sideband Modulation: The Filter Method

Learn about a classic amplitude modulation (AM) technique that’s been used in voice transmission for nearly a century.


Then and Now: A Timeline of the Women’s Engineering Society

Then and Now: A Timeline of the Women’s Engineering Society

Founded in 1919, the Women's Engineering Society advocates for gender diversity in engineering through mentorship, policy change, and global initiatives.


News Mar 10, 2025 by Luke James
The GaN-Powered Future of Class-D Audio Amplifiers

The GaN-Powered Future of Class-D Audio Amplifiers

Learn how applying gallium nitride (GaN) power transistor technology to class-D audio amplifiers can improve signal fidelity, reduce power consumption, and provide a lighter, more cost-effective solution than silicon.


Florence Violet McKenzie: Australia’s First Female Electrical Engineer

Florence Violet McKenzie: Australia’s First Female Electrical Engineer

'Mademoiselle Edison' trained thousands in technical and military signaling, forever shaping women’s roles in the Australian armed forces.


News Mar 03, 2025 by Luke James
Rohm Reveals 32-bit Audio DAC Tuned for High-Resolution Playback

Rohm Reveals 32-bit Audio DAC Tuned for High-Resolution Playback

The new BD34302EKV DAC promises advanced features and superior sound quality for audiophiles.


News Feb 26, 2025 by Charles Lee
Programming Your Standalone Hardware Soundboard

Programming Your Standalone Hardware Soundboard

In Part 2 of this two-part series, we turn our hardware assembly into a functioning soundboard by adding the necessary code in Arduino IDE and uploading soundbites.


Craft Your Own Hardware Soundboard Using an Arduino Microcontroller

Craft Your Own Hardware Soundboard Using an Arduino Microcontroller

Learn how to turn an ATmega328 microcontroller and an assortment of readily available parts into a dedicated hardware soundboard.


Understanding How Ring Modulators Produce AM Signals

Understanding How Ring Modulators Produce AM Signals

Among modulator circuits, the ring modulator stands out as one of the most effective for generating AM signals. Learn why in this article.


Introduction to the Balanced Modulator for AM Signals

Introduction to the Balanced Modulator for AM Signals

Learn how the balanced modulator addresses shortcomings of the square-law modulator when generating DSB-SC and conventional AM signals.


2024’s Top Technical Articles and More

2024’s Top Technical Articles and More

As 2024 comes to an end, we look back on the year's most popular technical articles, industry articles, and projects.


News Dec 30, 2024 by Abby Garfinkle
Advantech ADAM-4520A RS-232 to RS-422/485 Isolated Converter | New Product Brief

Advantech ADAM-4520A RS-232 to RS-422/485 Isolated Converter | New Product Brief

Advantech ADAM-4520A RS-232 to RS-422/485 Isolated Converter provides reliable signal conversion with up to 3000VDC isolation protection, making it ideal for industrial applications. Watch and learn all about their features, specs, applications, and more!


Soundskrit to Democratize Directional Audio With New MEMS Microphones

Soundskrit to Democratize Directional Audio With New MEMS Microphones

The company claims the two new MEMS microphone modules incorporate "the world’s lowest-noise directional microphones."


News Dec 12, 2024 by Jake Hertz