All About Circuits

Latest IoT Articles and Videos

Categories

Introduction to Wideband FM Signals

Introduction to Wideband FM Signals

Learn how Bessel functions and the modulation index can help us understand the bandwidth of wideband frequency-modulated (FM) signals.


Nordic Unveils PMIC Tailored for Small-Size Battery Devices

Nordic Unveils PMIC Tailored for Small-Size Battery Devices

The new power-management IC integrates advanced system management and ultra-low power fuel gauging in a single chip.


News Jul 09, 2025 by Jake Hertz
3 Acquisitions Show Heavy Investment in AI, IoT, and High-End Processors

3 Acquisitions Show Heavy Investment in AI, IoT, and High-End Processors

Siemens, Nordic Semiconductor, and SkyWater Technology have each completed strategic acquisitions across software, cloud, and foundry capacity.


News Jul 08, 2025 by Luke James
Dynamic Nonlinearity in RF Power Amplifiers: Insights From Two-Tone Testing

Dynamic Nonlinearity in RF Power Amplifiers: Insights From Two-Tone Testing

This article explores the effect of signal bandwidth on the linearity of power amplifiers, including the impacts of cascaded RF gain stages.


Practical Insights Into Narrowband FM With a Single-Frequency Input

Practical Insights Into Narrowband FM With a Single-Frequency Input

In this article, we’ll use phasor diagrams to compare narrowband FM and conventional AM. We’ll also discuss the problem of oscillator phase noise and work through an example problem.


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
Bosch Intros MEMS-Based Bluetooth Tire Pressure Sensors

Bosch Intros MEMS-Based Bluetooth Tire Pressure Sensors

The new SMP290 sensor integrates Bluetooth Low Energy to simplify vehicle electronics and extend sensor lifespan.


News Jun 27, 2025 by Jake Hertz
Can You Power a Circuit With a UV Sensor?

Can You Power a Circuit With a UV Sensor?

During a recent visit to KMITL’s new KAISEM institute in Bangkok, Thailand, All About Circuits spoke with researchers exploring whether a UV sensor could do more than detect light: could it power part of a circuit, too?


News Jun 26, 2025 by Luke James
Design Wins: Smart Locks, High-Speed Cameras, and Switching Innovation

Design Wins: Smart Locks, High-Speed Cameras, and Switching Innovation

From secure smart locks to resilient RF switching, these design wins showcase how collaboration and component innovation are advancing connected devices across industries.


News Jun 23, 2025 by Luke James
Introduction to Narrowband Angle Modulation

Introduction to Narrowband Angle Modulation

Using a simple example, this article examines the frequency spectra of frequency-modulated (FM) and phase-modulated (PM) waves for a low modulation index.


Taoglas PC60 and PC66 Cellular PCB Antennas | New Product Brief

Taoglas PC60 and PC66 Cellular PCB Antennas | New Product Brief

Taoglas PC60 and PC66 Cellular PCB Antennas provide compact, high-performance 5G, 4G, and LTE connectivity across a wide 617MHz to 6000MHz frequency range. Watch and learn all about their features, specs, applications, and more!


Implementing Phoenix Contact QUINT4 Power Supplies for Reliable and Efficient Power Management | Tech Guide

Implementing Phoenix Contact QUINT4 Power Supplies for Reliable and Efficient Power Management | Tech Guide

In this Tech Guide, we explore the Phoenix Contact QUINT4 Power Supplies—rugged, high-performance solutions designed for demanding industrial environments. Watch now to get started!


Implementing ROHM SiC Schottky Barrier Diodes for Efficient Power Conversion | Tech Guide

Implementing ROHM SiC Schottky Barrier Diodes for Efficient Power Conversion | Tech Guide

In this Tech Guide, we dive into the design and integration of ROHM's Automotive Grade SiC Schottky Barrier Diodes for next-generation EV chargers and DC/DC converters. Watch now to get started!


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!


A New Ratiometric Data Acquisition Circuit for Unequal Supply and Reference Voltages

A New Ratiometric Data Acquisition Circuit for Unequal Supply and Reference Voltages

This article introduces a new ratiometric data-acquisition system design for use with remote sensors. As we’ll see, it reduces error by employing matched resistor divider networks.


KYOCERA AVX Tantalum Polymer Capacitors | Digital Datasheet

KYOCERA AVX Tantalum Polymer Capacitors | Digital Datasheet

KYOCERA AVX Tantalum Polymer Capacitors offer high voltage performance in ultra-compact, low-profile packages, making them ideal for power-dense, space-constrained designs. Watch and learn all about their features, specs, applications, and more!


Harwin Kontrol Single-Row Industrial Connectors | New Product Brief

Harwin Kontrol Single-Row Industrial Connectors | New Product Brief

Harwin Kontrol Single-Row Industrial Connectors are durable, high-performance connectors with a compact 1.27mm pitch, rated for 1.2A per contact and data rates up to 3Gbit/s. Watch and learn all about their features, specs, applications, and more!


NXP Reveals NFC Tags to Meet EU’s Upcoming Digital Passport Requirements

NXP Reveals NFC Tags to Meet EU’s Upcoming Digital Passport Requirements

The NFC tag can provide secure memory, advanced connectivity, and robust authentication—all while meeting the EU's digital passport rules.


News Jun 12, 2025 by Joshua Tidwell
Understanding the Differences Between Phase and Frequency Modulation

Understanding the Differences Between Phase and Frequency Modulation

Learn why phase modulation (PM) and frequency modulation (FM) can produce waveforms that are nearly identical or completely different from one another, depending on the nature of the message signal.


A Guide to Calculating IM3 and IP3 for Nonlinear RF Circuits

A Guide to Calculating IM3 and IP3 for Nonlinear RF Circuits

Learn to confidently determine intermodulation distortion products and the third-order intercept point of RF circuits by working through a selection of example problems.