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How to Choose the Frequency of Your Switching Regulator

How to Choose the Frequency of Your Switching Regulator

This article discusses some details—efficiency, noise, etc.—that influence the choice of operational frequencies for switch-mode power supplies.


Engineers of History: Jerry Lawson, Video Game Pioneer (1940-2011)

Engineers of History: Jerry Lawson, Video Game Pioneer (1940-2011)

Jerry Lawson is most well known for his work as Chief Engineer of Fairchild’s Video Game division, playing a vital role during the dawn of video game consoles. He’s an overview of his decorated career


News Jun 11, 2018 by Chantelle Dubois
PCB Layout for a Photovoltaic Power Supply for Microcontroller Circuits

PCB Layout for a Photovoltaic Power Supply for Microcontroller Circuits

This article discusses the PCB layout for a power-supply circuit that generates a regulated 3.3 V rail from a small solar cell.


Schematic Design for a Solar-Powered Charge-Pump Power Supply Circuit

Schematic Design for a Solar-Powered Charge-Pump Power Supply Circuit

This article discusses a 3.3 V power-supply circuit that is built around an inductorless DC/DC converter and a solar cell.


Circle the Wagons: Choosing the Right Protection ICs for Your Smart Load

Circle the Wagons: Choosing the Right Protection ICs for Your Smart Load

This article reviews the fundamental features of an effective protection scheme, highlights the shortcoming of a typical protection implementation—such as a high bill of materials and PC board size occupation—and introduces a new family of integrated, highly flexible protection ICs that address these concerns.


Hardware Evaluation of a Custom Programmable Wi-Fi Controller: The WiCard

Hardware Evaluation of a Custom Programmable Wi-Fi Controller: The WiCard

This article explores the schematic design and basic features of a smart programmable wireless controller module I designed: the WiCard.


Engineer Spotlight: Black Box VR’s Rich Reavis Talks Virtual Reality and Gamified Fitness

Engineer Spotlight: Black Box VR’s Rich Reavis Talks Virtual Reality and Gamified Fitness

With the SteamVR HDK and on-market headsets in tow, Black Box VR created their own unique resistance hardware to develop an intensive fitness routine that feels more like a world-saving mission.


News Jun 01, 2018 by Justin Kirkham
Selecting and Implementing Photovoltaic Cells for Solar-Powered Devices

Selecting and Implementing Photovoltaic Cells for Solar-Powered Devices

This article discusses details that will help you choose the right kind of solar cell and successfully incorporate it into your next project.


The Circuit Designer’s Guide to Photovoltaic Cells for Solar-Powered Devices

The Circuit Designer’s Guide to Photovoltaic Cells for Solar-Powered Devices

This article presents the equivalent circuit for a solar cell and discusses some implementation details.


PCB Layout for a Charge-Pump Bipolar Power Supply

PCB Layout for a Charge-Pump Bipolar Power Supply

In this article we’ll look at the PCB design for a low-noise ±5 V inductorless power supply.


Two New SPI Analog Mux Switches from Analog Devices

Two New SPI Analog Mux Switches from Analog Devices

Analog Devices recently announced two new SPI-controlled analog mux switches: the ADGS1208, which has eight single channels, and the ADGS1209, which has four differential channels.


News May 25, 2018 by Nick Davis
TE Connectivity IPX8 Waterproof USB Type C Onboard Receptacle | New Product Brief

TE Connectivity IPX8 Waterproof USB Type C Onboard Receptacle | New Product Brief

TE Connectivity IPX8 Waterproof USB Type C Onboard receptacles provide IPX8 waterproofing and additional design enhancements.


A Replacement to LM75/TMP75 Digital Temperature Sensors: The Texas Instruments TMP1075

A Replacement to LM75/TMP75 Digital Temperature Sensors: The Texas Instruments TMP1075

Texas Instruments announces their new TMP1075, which is a replacement to the industry standard LM75 and TMP75 digital temperature sensors.


News May 22, 2018 by Nick Davis
SL Power TE150 Single Output Power Supply | New Product Brief

SL Power TE150 Single Output Power Supply | New Product Brief

SL Power’s TE150 series is a compact, 150 W external power supply that meets US and European efficiency requirements.


Illinois Capacitor Low ESR Supercapacitor (DGH Series) | Tech Specs

Illinois Capacitor Low ESR Supercapacitor (DGH Series) | Tech Specs

Illinois Capacitor's DGH series supercapacitors offer standard values up to 350 Farads, ESR that is notably lower than competing capacitors, and offers very fast charge and discharge rates.


new products May 17, 2018 by TTI, Inc
OSRAM Opto Semiconductors SFH 2200 & SFH 2240 Photodiodes | New Product Brief

OSRAM Opto Semiconductors SFH 2200 & SFH 2240 Photodiodes | New Product Brief

OSRAM Opto Semiconductors’ SFH 2200 and SFH 2240 are large format photodiodes in a compact package.


Designing a Charge-Pump Bipolar Power Supply

Designing a Charge-Pump Bipolar Power Supply

This article presents and discusses a schematic design for a ±5 V inductorless power supply.


Capturing 3D Images with Time-of-Flight Camera Technology

Capturing 3D Images with Time-of-Flight Camera Technology

Time-of-flight (ToF) is a relatively new method by which it is possible to gather detailed 3D information. This article looks at ToF cameras and their applications.


Teardown Tuesday: BB-8 by Sphero

Teardown Tuesday: BB-8 by Sphero

In this teardown, we dismantle a BB-8 droid (or, at least, an RC toy version) to see what's inside.


News May 15, 2018 by Mark Hughes
Molex Triple Band (900MHz) Wi-Fi Antenna | Tech Specs

Molex Triple Band (900MHz) Wi-Fi Antenna | Tech Specs

Molex Series 201932 Triple-band Wi-Fi ceramic antennas cover all three Wi-Fi bands, 900 MHz, 2.4 GHz, and 5 GHz, providing designers a single solution to connect their devices to Wi-Fi networks on any band.


new products May 15, 2018 by TTI, Inc