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Hubble Raises $200M to Connect Standard Bluetooth Devices by Satellite

Hubble Raises $200M to Connect Standard Bluetooth Devices by Satellite

The Seattle startup has reached a $1.6 billion valuation by turning Bluetooth LE chips into globally trackable assets—all the way from space.


News Oct 07, 2026 by Luke James
Interference, Pre-Emphasis, and the Capture Effect in FM and PM Systems

Interference, Pre-Emphasis, and the Capture Effect in FM and PM Systems

Interference in FM grows stronger with frequency offset, until pre-emphasis flattens the curve. See why a signal just twice as strong as a rival broadcast can completely capture the channel.


RLC Roundup: New Passives Push Power, Frequency, and Temp Limits

RLC Roundup: New Passives Push Power, Frequency, and Temp Limits

New passive components from TDK, Vishay, Murata, and Bourns address higher capacitance, RF power handling, automotive power circuits, and high-temperature operation.


News Sep 29, 2026 by Joshua Tidwell
The Benefits and Limitations of Pre-Emphasis and De-Emphasis in FM Noise Reduction

The Benefits and Limitations of Pre-Emphasis and De-Emphasis in FM Noise Reduction

Pre-emphasis and de-emphasis boost noise performance in FM, but only up to a point—push the gain too far and you risk overmodulation.


Pre-Emphasis and De-Emphasis Filtering in FM Systems

Pre-Emphasis and De-Emphasis Filtering in FM Systems

Simple first-order pre-emphasis and de-emphasis filters can boost FM receiver SNR by more than 13 dB by exploiting the spectral differences between signal and noise.


Hardware-Based Security for FPGAs: Protecting Against Evolving Threats

Hardware-Based Security for FPGAs: Protecting Against Evolving Threats

Learn how rising security threats, quantum computing, and strict regulations demand FPGA architectures with integral hardware security and crypto agility for long-term compliance.


Securing Cloud-Based PCB Design Workflows for ITAR-Controlled Defense Programs

Securing Cloud-Based PCB Design Workflows for ITAR-Controlled Defense Programs

Legacy air-gapped ECAD systems struggle to support modern engineering teams. Learn how Zero Trust and GovCloud enclaves enable compliant collaboration on export-restricted hardware IP.


FM Threshold-Extended Demodulators: Insights on FMFB and PLL-Based Designs

FM Threshold-Extended Demodulators: Insights on FMFB and PLL-Based Designs

Worked examples quantify just how much the FMFB loop shrinks noise bandwidth. We also show how the PLL demodulator offers a simpler alternative for reducing threshold.


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.


Three Research Teams Take Different Routes to Control Light

Three Research Teams Take Different Routes to Control Light

Papers from École Polytechnique, Seoul National University, and Harvard tackle optical gain, on-chip buffering, and component footprint.


News Aug 20, 2026 by Luke James
What’s Next in Wireless Communication? An Insider’s Perspective

What’s Next in Wireless Communication? An Insider’s Perspective

Joaquin Torrecilla, Keysight’s VP of Software Transformation, joins the show to discuss the evolution of wireless tech—from early Bluetooth to LEO satellite lasers, RedCap, and AI-native 6G.


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.


New Demands on RF Interconnects—How 5G and AI are Redefining RF Designs

New Demands on RF Interconnects—How 5G and AI are Redefining RF Designs

5G, AI, and quantum computing are pushing RF interconnects to their limits. Learn how engineers are evolving connector designs to ensure signal integrity in compact, high-speed 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.


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.


Understanding the Characteristics of Narrowband Noise in Communication Systems

Understanding the Characteristics of Narrowband Noise in Communication Systems

In this article, we analyze how bandpass filtering affects the power spectral density (PSD) of noise and explore how noise can be described by in-phase and quadrature components.


From Tracking Filters to Demodulation: Exploring the Applications of PLLs

From Tracking Filters to Demodulation: Exploring the Applications of PLLs

In this article, we'll learn about several key applications of PLLs in communication systems, including tracking filters, frequency and phase modulation, and FM and AM demodulation.


Understanding the Hogge Detector and the Triwave Solution

Understanding the Hogge Detector and the Triwave Solution

The Hogge phase detector plays multiple roles in CDR circuits. In this article, we'll explore the Hogge detector's behavior, highlight its main drawbacks, and introduce a different configuration that addresses them.


Operation of a Linear Phase Detector for Clock and Data Recovery

Operation of a Linear Phase Detector for Clock and Data Recovery

Learn how the Hogge detector addresses the challenges of clock and data recovery (CDR) for data signals with limited clock information.


Proving Reliability in Critical Embedded Systems

Proving Reliability in Critical Embedded Systems

Learn how formal verification uses math to prove the absence of runtime errors in complex embedded software for critical defense/space systems, offering stronger reliability than testing.