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An Arduino-Compatible Relay Controller for RS-485 Networks

An Arduino-Compatible Relay Controller for RS-485 Networks

This project brief describes how to build and use an Arduino-compatible relay interface board that switches a 10 A load over an RS-485 network.


Semtech Adds New Transceivers for ‘Complete Wireless IC Portfolio’

Semtech Adds New Transceivers for ‘Complete Wireless IC Portfolio’

The new members deliver fourth generation LoRa Plus IP-core compatible performance at less stringent tiers to complement flagship LR2021.


News Sep 14, 2026 by Duane Benson
How Does Miniaturization Influence Microwave Filter Performance?

How Does Miniaturization Influence Microwave Filter Performance?

Scaling down RF circuit footprints requires balancing board space against critical trade-offs. Discover how loading methods and high-dielectric substrates impact Q factor and insertion loss.


Targeting Robotics, TI Claims First Commercial CAN XL Transceiver

Targeting Robotics, TI Claims First Commercial CAN XL Transceiver

Touted as the first commercial CAN XL transceiver, the device offers 20 Mbps data rates, larger payloads, and CAN FD compatibility for industrial and robotic networks.


News Sep 04, 2026 by Joshua Tidwell
MaxLinear Unveils Control-Plane Portfolio for Next-Gen AI Infrastructure

MaxLinear Unveils Control-Plane Portfolio for Next-Gen AI Infrastructure

RackCommander groups MaxLinear's USB UARTs, RS-485 transceivers, GPIO expanders, and power devices for rack-level management.


News Aug 31, 2026 by Jake Hertz
Arduino-Compatible RS-485 Linear Hall Sensor Board for Magnetic Field Sensing

Arduino-Compatible RS-485 Linear Hall Sensor Board for Magnetic Field Sensing

This project brief describes how to build and use an Arduino-compatible board that reads a linear Hall-effect sensor and reports the measurement over an RS-485 bus.


Quectel Debuts Wi-Fi 7 Modules With Bluetooth 6.0 for Streaming and Gaming

Quectel Debuts Wi-Fi 7 Modules With Bluetooth 6.0 for Streaming and Gaming

The FCE870X and FME170X share the same high-end feature set across two package formats, giving product teams a choice between embedded and modular designs.


News Aug 10, 2026 by Dale Wilson
SNR Analysis of FM Modulation with Arbitrary Message Signals

SNR Analysis of FM Modulation with Arbitrary Message Signals

Deriving a general signal-to-noise expression for frequency modulation with any message signal reveals a core trade-off: more deviation buys better noise performance, but only by using more bandwidth.


Understanding Noise in FM Systems: The Tone-Modulated Scenario, Part 2

Understanding Noise in FM Systems: The Tone-Modulated Scenario, Part 2

This article explores how combining signal and noise power reveals how the FM system’s output SNR scales with carrier amplitude and modulation index.


Understanding Noise in FM Systems: The Tone-Modulated Scenario, Part 1

Understanding Noise in FM Systems: The Tone-Modulated Scenario, Part 1

Explore how frequency-modulated waves resist interference. We break down the demodulator architecture and derive the exact output signal power for a sinusoidal message.


Understanding the Noise Performance of AM Receivers with Envelope Detection

Understanding the Noise Performance of AM Receivers with Envelope Detection

Envelope detection is simple, but that simplicity has a noise-performance cost. Here’s how much SNR conventional AM gives up compared to its coherent counterparts.


Analyzing the Noise Performance of Coherent SSB Demodulators

Analyzing the Noise Performance of Coherent SSB Demodulators

Using a graphical approach, we show that coherent SSB demodulation leaves the input and output SNR unchanged, then compare its noise performance to DSB-SC and baseband systems.


A Four-Channel RS-422 Differential Line Receiver Module

A Four-Channel RS-422 Differential Line Receiver Module

This project brief describes how to build and use a four-channel differential line receiver module for balanced RS-422 and RS-485 data links.


Understanding SNR in DSB‑SC Coherent Detection: A Graphical Approach

Understanding SNR in DSB‑SC Coherent Detection: A Graphical Approach

Visualizing how correlated and uncorrelated signals combine offers an intuitive look at power transformation. See how this difference boosts baseband power to double the output SNR.


A Four-Channel RS-422 Differential Line Driver Module

A Four-Channel RS-422 Differential Line Driver Module

This project brief describes how to implement a four-channel differential line driver module for reliable long-distance data transmission over balanced twisted-pair lines.


Evaluating the Noise Performance of Coherent DSB‑SC Demodulators

Evaluating the Noise Performance of Coherent DSB‑SC Demodulators

In this article, we'll learn how to calculate the noise power and signal-to-noise ratio (SNR) of a double-sideband suppressed-carrier communication system.


Thread Group and Broadband Forum Unite for End-to-End IoT Interoperability

Thread Group and Broadband Forum Unite for End-to-End IoT Interoperability

Thread Group and Broadband Forum are partnering to unify IoT mesh with broadband infrastructure. Also, the new Thread Tools app launches to provide real-world network diagnostics for engineers.


News Jun 17, 2026 by Jeff Child
Sensing at the Control Level: Leveraging Data for Both Safety and Analytics

Sensing at the Control Level: Leveraging Data for Both Safety and Analytics

Kate Sokolnicki, Global Business Director for Sensing & Safety at Rockwell Automation, discusses the evolution of industrial sensing and the shift toward data-driven manufacturing.


Edge AI Development Is a Lifecycle Problem

Edge AI Development Is a Lifecycle Problem

Edge AI success is limited by memory and power. Fragmented tools cause failures. Learn how a cohesive, full-lifecycle approach unifying design and deployment is essential for scalable systems.


Preventing Runt Pulses in Phase/Frequency Detectors

Preventing Runt Pulses in Phase/Frequency Detectors

This article explains the importance of incorporating delay into the feedback path of a phase/frequency detector (PFD) and examines its effect on performance.