All About Circuits

Latest Wireless/RF Articles and Videos

Categories

Analyze RLC Components Using the Admittance Smith Chart and Examples

Analyze RLC Components Using the Admittance Smith Chart and Examples

Learn about the admittance Smith chart to analyze a parallel connection of resistors, capacitors, and inductors, and see the circuit's behavior over the swept frequency range.


Nordic’s Bluetooth SoC Shines in OxiWear Ear-worn Pulse Oximeter

Nordic’s Bluetooth SoC Shines in OxiWear Ear-worn Pulse Oximeter

OxiWear’s new pulse-oximeter solution highlights the potential use cases for Nordic’s nRF52840.


News Mar 21, 2023 by Jake Hertz
From a New Chip to Broader Ranges—The Push for Terahertz Technology Continues

From a New Chip to Broader Ranges—The Push for Terahertz Technology Continues

Since terahertz technology is being looked at as the next step toward 6G, companies like Cannon, universities such as Harvard, and agencies like NASA aim to keep this technology advancing.


News Mar 18, 2023 by Kristijan Nelkovski
Learn by Example—Using an Impedance Smith Chart

Learn by Example—Using an Impedance Smith Chart

Learn how a series RLC circuit with arbitrary component values can be represented as a point on the Smith chart and how an impedance contour on the Smith chart can be used to describe the circuit's frequency response.


Silicon Labs Spins Bluetooth SoC and MCU for Small Form-factor Designs

Silicon Labs Spins Bluetooth SoC and MCU for Small Form-factor Designs

With a goal of serving the design needs of small form-factor embedded systems, Silicon Labs is rolling out families of MCUs and wireless SoCs in tiny packages.


News Mar 17, 2023 by Jeff Child
Silicon Labs MGM240S Modules | New Product Brief

Silicon Labs MGM240S Modules | New Product Brief

This New Product Brief (NPB) is part of a video series highlighting the features, applications, and technical specs of newly-released products.


Nisshinbo NJG1816K75-TE1 Ultra Low Current SPDT Switch | New Product Brief

Nisshinbo NJG1816K75-TE1 Ultra Low Current SPDT Switch | New Product Brief

This New Product Brief (NPB) is part of a video series highlighting the features, applications, and technical specs of newly-released products.


STMicro Unveils MCUs and MPUs Featuring BLE, Improved Security, and More

STMicro Unveils MCUs and MPUs Featuring BLE, Improved Security, and More

Ahead of this week’s Embedded World event, STMicroelectronics has released new MCUs, MPUs, and security technology that provide developers new options.


News Mar 14, 2023 by Jeff Child
Texas Instruments bq25792EVM/bq25798EVM Charger Evaluation Modules | Featured Product Spotlight

Texas Instruments bq25792EVM/bq25798EVM Charger Evaluation Modules | Featured Product Spotlight

This Featured Product Spotlight is part of a video series exploring the specifications, applications, and market context of new products.


Engineering, Inspiration, and Advice—Intel VP Deepali Trehan’s Journey

Engineering, Inspiration, and Advice—Intel VP Deepali Trehan’s Journey

Deepali Trehan’s story is a human story, an underdog story, that happens to involve engineering. In this Season 6 kickoff episode of Moore’s Lobby, we visit with the VP and GM of Intel’s Programmable Solutions Group about FPGAs, AI, chiplets, and more.


STMicro Rolls All-in-one Motion and Bone-conduction Sensor for Hearables

STMicro Rolls All-in-one Motion and Bone-conduction Sensor for Hearables

With its new sensor IC, STMicroelectronics hopes to enable a new class of hearables for applications like true wireless stereo (TWS).


News Mar 06, 2023 by Jake Hertz
The Smith Chart and Its Relation to the Reflection Coefficient and Impedance

The Smith Chart and Its Relation to the Reflection Coefficient and Impedance

Learn about the history and ins/outs of the Smith chart, as well as how it relates to the reflection coefficient and makes calculating impedance easier.


MIT Presents Mobile Receiver Chip to Block Interfering Signals

MIT Presents Mobile Receiver Chip to Block Interfering Signals

MIT’s receiver architecture offers effective harmonic cancellation all in the RF domain.


News Mar 02, 2023 by Aaron Carman
ISSCC Papers from Renesas Tackle Wireless Charging and Car Gateway SoCs

ISSCC Papers from Renesas Tackle Wireless Charging and Car Gateway SoCs

In a pair of papers presented at last week’s 70th annual ISSCC event, Reneas engineers detailed IC designs for wireless power charging and nex-gen automotive gateways.


News Mar 01, 2023 by Jeff Child
MWC Barcelona Unfurls a Red Carpet for RAN Announcements

MWC Barcelona Unfurls a Red Carpet for RAN Announcements

Some of the industry’s biggest names, including Intel, Samsung, ADI, Marvell, Nokia, and Fujitsu, took the MWC stage to release new RAN products.


News Mar 01, 2023 by Jake Hertz
Targeting 6G, “World’s First” Compact Amplifier IC Breaks 100 GHz

Targeting 6G, “World’s First” Compact Amplifier IC Breaks 100 GHz

A new high-frequency amplifier could play a significant role in future high-speed communication networks.


News Feb 28, 2023 by Jake Hertz
The Setbacks and Promises of Smart Contacts Continue to Ebb and Flow

The Setbacks and Promises of Smart Contacts Continue to Ebb and Flow

An idea that seems like science fiction, smart contact lenses face daunting technical and production challenges that call their commercial feasibility into question.


News Feb 27, 2023 by Jake Hertz
Mismatch Loss and Mismatch Uncertainty Via Attenuators and Statistical Models

Mismatch Loss and Mismatch Uncertainty Via Attenuators and Statistical Models

Learn about the effect of mismatch loss on a lossy line, a method to reduce the mismatch loss through fixed attenuators, and the statistical models of this error.


PMIC Space Heats up With Design Wins, Acquisitions, and More

PMIC Space Heats up With Design Wins, Acquisitions, and More

Offering compact packaging, BLE functions, and more, today’s power management integrated circuits (PMICs) are meeting the technology needs of a variety of system designs.


News Feb 25, 2023 by Abdulwaliy Oyekunle
Vodafone Showcases Portable 5G Network Built on Raspberry Pi

Vodafone Showcases Portable 5G Network Built on Raspberry Pi

For the price of a Wi-Fi router, small business owners may soon have access to a 5G mobile private network.


News Feb 23, 2023 by Jake Hertz