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FM Generation Techniques: Solved Examples

FM Generation Techniques: Solved Examples

In this article, we'll solidify our understanding of the reactance modulator and Armstrong modulator circuits by working through a series of design problems.


Murata, Melexis, and TI Push Boundaries on Low-Power Sensing Design

Murata, Melexis, and TI Push Boundaries on Low-Power Sensing Design

New sensing solutions, from pyroelectric infrared sensors to in-plane Hall-effect switches, help engineers improve performance and efficiency in space-constrained designs.


News Sep 26, 2025 by Jake Hertz
The Motorola 68000: A 32-Bit Brain in a 16-Bit Body

The Motorola 68000: A 32-Bit Brain in a 16-Bit Body

Motorola’s 68000 blended 32-bit power with a 16-bit bus, creating a balanced, orthogonal, and elegant architecture that powered everything from Macintosh to arcade machines.


News Sep 26, 2025 by Luke James
MCU Roundup: New Embedded Features for the Edge, IoT, and Automotive

MCU Roundup: New Embedded Features for the Edge, IoT, and Automotive

Three new microcontrollers from Renesas, Nuvoton, and STMicroelectronics cut power without compromising performance.


News Sep 25, 2025 by Duane Benson
Keysight Pushes VNA Capabilities Up to 250 GHz With Frequency Extenders

Keysight Pushes VNA Capabilities Up to 250 GHz With Frequency Extenders

Keysight’s new 170/250 GHz frequency extenders and calibration kit enable differential broadband testing for next-gen semiconductors and AI-era networks.


News Sep 25, 2025 by Austin Futrell
Paradox of Developing Test Gear: An Electronics Chicken-or-the-Egg Problem

Paradox of Developing Test Gear: An Electronics Chicken-or-the-Egg Problem

The paradox of test equipment design is that it must be more advanced than the devices it tests. We spoke with Tektronix in person to gain insights on this unique technical challenge.


News Sep 24, 2025 by Jake Hertz
Taoglas FXUB16 PCB Antenna | New Product Brief

Taoglas FXUB16 PCB Antenna | New Product Brief

Taoglas FXUB16 PCB Antenna is a compact, wideband flex antenna that supports 5G/4G cellular with fallback to 3G/2G, plus NB-IoT, Cat-M, Wi-Fi, and ISM bands from 600MHz to 6000MHz. Watch and learn all about their features, specs, applications, and more!


Designing UWB Antennas for Angle of Arrival Applications

Designing UWB Antennas for Angle of Arrival Applications

Learn what makes Ultra-Wideband (UWB) unique, what makes it useful, and how to address the design challenges it presents.


Infineon Debuts Pair of Rugged MEMS Microphones for Harsh Environments

Infineon Debuts Pair of Rugged MEMS Microphones for Harsh Environments

Infineon designed the two new digital PDM microphones for high-quality audio capture in demanding and space-constrained environments.


News Sep 23, 2025 by Luke James
AMD Aims New Embedded Processors at Low-Latency Edge Designs

AMD Aims New Embedded Processors at Low-Latency Edge Designs

The new processors bring Zen 5 performance, PCIe 5.0, and DDR5 to rugged edge applications, pairing high-throughput compute with longevity and security features.


News Sep 23, 2025 by Luke James
New Investments Flowing Into Photonics—Part 1: Trends Pointing Upwards

New Investments Flowing Into Photonics—Part 1: Trends Pointing Upwards

Photonics investments are surging due to AI/data centers, healthcare, and security demands, overcoming traditional technology limits with light-based solutions.


News Sep 22, 2025 by Gordon Feller
TDK ADL8030VA Power Inductors | Digital Datasheet

TDK ADL8030VA Power Inductors | Digital Datasheet

TDK ADL8030VA Power Inductors is a compact, high-impedance inductor line designed for efficient signal and power handling in advanced communication and automotive systems. Watch and learn all about their features, specs, applications, and more!


Optical Chip Beats Counterparts in AI Power Efficiency 100 Fold

Optical Chip Beats Counterparts in AI Power Efficiency 100 Fold

The integrated Fresnel lens architecture enables ultra-low-power convolution, potentially signaling a new era in on-chip photonic AI acceleration.


News Sep 22, 2025 by Luke James
Armstrong’s Method of FM Generation

Armstrong’s Method of FM Generation

This article explores the concept of indirect FM generation and the basic operation of the Armstrong modulator.


Rohm Touts CMOS Op Amp for ‘Industry’s Lowest Operating Circuit Current’

Rohm Touts CMOS Op Amp for ‘Industry’s Lowest Operating Circuit Current’

Built for battery-operated devices, the new CMOS op amp enables ultra-efficient signal conditioning in wearables, IoT, and compact sensing applications.


News Sep 19, 2025 by Luke James
Your 2025 Back-to-School Guide to All About Circuits’ Educational Resources

Your 2025 Back-to-School Guide to All About Circuits’ Educational Resources

Are you a first year electronics engineering student? Or maybe working on a second or third degree in this field? All About Circuits has the resources you need: comprehensive textbooks, technical articles, calculators, videos, and more for your EE studies.


News Sep 19, 2025 by Jeff Child
Nvidia Launches First GPU Purpose-Built for Million-Token AI Inference

Nvidia Launches First GPU Purpose-Built for Million-Token AI Inference

The Rubin CPX GPU brings million-token context windows to coding and generative video, with 8 exaflops of AI performance in a single rack.


News Sep 18, 2025 by Joshua Tidwell
Toshiba TB9103FTG Gate Driver IC | New Product Brief

Toshiba TB9103FTG Gate Driver IC | New Product Brief

Toshiba TB9103FTG Gate Driver IC is a compact, AEC-Q100 Grade 1–qualified solution for automotive motor control, supporting both half-bridge and H-bridge configurations. Watch and learn all about their features, specs, applications, and more!


Deep Dive Into Test Equipment Design: A Look at Tektronix’s 5-Year Process

Deep Dive Into Test Equipment Design: A Look at Tektronix’s 5-Year Process

All About Circuits met with the Tektronix engineers behind the 7 Series to uncover the myriad of design challenges that most people never hear about.


News Sep 18, 2025 by Jake Hertz
Using Worst-Case Execution Time Analysis to Uncover Hidden Timing Couplings

Using Worst-Case Execution Time Analysis to Uncover Hidden Timing Couplings

Learn about "hidden" timing couplings in multicore systems that cause unexpected interference, significantly impacting Worst-Case Execution Time (WCET) even for independent tasks.