Blog

  • User application industrial IoT

    User application industrial IoT

    nwieland
    The manufacturing industry has started seeing a growing need for monitoring the condition of their assets and to perform predictive maintenance if needed. The challenge is that smart industries require an industrial IoT connectivity solution, a self-healing mesh network that can handle a demanding radio environment.
  • Bluetooth®︎ Mesh

    Bluetooth®︎ Mesh

    nwieland
    Bluetooth®︎ released a Mesh Version in 2017. It is an own standard and strictly speaking not part of the Bluetooth standard. It uses Bluetooth®︎ Low Energy link layer and radio and prefers Bluetooth®︎ 5.0 or newer due to long advertising packets. As a flooding Mesh it includes time to live (TTL) in the messages. Security is approved by application key and network key.
  • Wirepas massive

    Wirepas massive

    nwieland
    Wirepas is an international company with headquarters in Tampere, Finland. Wirepas is specialized in IoT opics and offers the Wirepas Mesh stack (firmware only) and support to high volume customers. Würth Elektronik is in cooperation with Wirepas to integrate the Wirepas mesh stack into radio chips as well as offering service to our customers to develop Wirepas mesh radio modules based on the existing Nordic Semiconductor…
  • Mesh introduction & overview

    Mesh introduction & overview

    nwieland
    A Mesh is a network of multiple devices connecting to each other. The nodes connect directly to other nodes and there is no need of a master controlling the actions. In general there are more connection paths between the source and the target. The information is handed over from one node to the other.
  • ANE016: Coaxial cables and cable assemblies

    ANE016: Coaxial cables and cable assemblies

    nwieland
    The function of a coaxial cable is to deliver a RF signal from point A to point B through various connector interfaces. Würth Elektronik offers a wide range of quality cable assemblies. This application note is based on Würth Elektronik standard cable types and helps to understand which points to consider when selecting a cable for custom tailored cable assemblies.
  • Proprietary radio stick

    Proprietary radio stick

    nwieland
    WE-ProWare is an Operating System to manage the Würth Elektronik radio modules. WE-ProWare is a software product marketed under the Würth Elektronik brand and protected by Würth ...
  • Short rang device frequency bands

    Short rang device frequency bands

    nwieland
    A short-range device (SRD) is a radio-frequency transmitter device used in telecommunication for the transmission of information, which has low capability of causing harmful interference to other radio equipment.
  • Silicone Elastomer Gap Filler Pad Design Guideline

    Silicone Elastomer Gap Filler Pad Design Guideline

    nwieland
    The WE-TGF is a silicone elastomer gap filler pad, designed to fill a gap between one or multiple electronic components and a cooling assembly, such as a heatsink, cooling plate or metal housing.
  • Proprietary industry proven & license free

    Proprietary industry proven & license free

    nwieland
    Our module added value is the WE-ProWare operating system which is fully included. Communication functions are configured with simple AT commands. You can easily swap between radio channels and protocols. All this makes it very easy to enter new markets with your application.
  • Phase Changing Material Design Guideline

    Phase Changing Material Design Guideline

    nwieland
    Thermal Management is the term used to describe the methods used take care of the excess heat that electronic devices and components generate. It is a field of upmost importance in order to guarantee reliability of electronic devices and components as well as to prevent premature failure.
  • WE testing around the World: Mesuring height of Burj Khalifa using Pressure Sensor

    WE testing around the World: Mesuring height of Burj Khalifa using Pressure Sensor

    nwieland
    Vacation inspires all of us; it recharges our mental batteries and open opportunity to reflect on true purpose of the professional work and perhaps connect our actions with real life. Every journey motivates me, especially when flying high - a burst of idea is obvious to most of us; welcome on board long-haul flight to Dubai, a city with hundreds of world record including the tallest building on the planet – Burj Khalifa…
  • WIFI Introduction

    WIFI Introduction

    nwieland
    Wi-Fi (wireless fidelity) is a specification for ensuring interoperability, based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access. Wi-Fi is a trademark of the non-profit Wi-Fi Alliance, which restricts the use of the term Wi-Fi Certified to products that successfully complete interoperability certification testing.
  • Fundamentals radio communication

    Fundamentals radio communication

    nwieland
    The History of Radio Technology Radio technology is a wireless method of transmitting signals by means of modulated electromagnetic waves. In 1884 James Clerk Maxwell predicted the existence of radio waves, which was ...
  • Application Notes Overview

    Application Notes Overview

    nwieland
    Application Notes Overview DC/DC Converter Influence of control loop by an Outputfilter Negative input resistance of switching regulators Loss-Free Filtered Measurement of the interference voltage on DC/DC switching regulators Quiet sw...
  • Bluetooth®︎ special interest group (SIG)

    Bluetooth®︎ special interest group (SIG)

    nwieland
    Different Memberships Promoter Members Have considerable influence over both, the strategic and technological directions of Bluetooth®︎ (Apple, Intel, IBM,…).
  • ANE015: Inrush current for connectors

    ANE015: Inrush current for connectors

    nwieland
    This application note is related to Würth Elektronik TBL series terminal blocks only. All resistors carrying current release heat, which is called the Joule effect. A power connector can be considered as a simple resistor from a thermal point of view. The working current of a power connector is usually defined by a standard, in our case by UL 1059. The maximum temperature rise (∆T) in the standard is 30 K (∆T is usually…
  • Bluetooth®︎ low energy in general

    Bluetooth®︎ low energy in general

    nwieland
    Bluetooth®︎ LE roles – connection based Peripheral Offers connections and services Defines the security level of its services and data Acts as slave Example: Most applications, Door control,Service interface, Light, Roller Shutter, Heart rate monitor
  • Bluetooth®︎ standards & versions

    Bluetooth®︎ standards & versions

    nwieland
    Bluetooth®︎ Classic Introduced in Bluetooth®︎ version 1.0 Bluetooth®︎ Classic versions are backward compatible 79 channels with 1MHz bandwidth (2.402 – 2.480 GHz)
  • Bluetooth®︎ Overview

    Bluetooth®︎ Overview

    nwieland
    Surprisingly, the name dates back more than a millennia to King Harald “Bluetooth” Gormsson who was well known for two things: Uniting Denmark and Norway in 958 and uniting several languages. His dead tooth, which had a dark blue/grey color, earned him the nickname Bluetooth. That way, the Bluetooth-Logo was created out of the runes for H and B.
  • ANP082: Auxiliary supply requirements for SiC/GaN gate driver systems

    ANP082: Auxiliary supply requirements for SiC/GaN gate driver systems

    nwieland
    Wide bandgap power semiconductor devices like Silicon Carbide (SiC) MOSFETs are enjoying growing popularity in many modern power electronic applications like E-mobility and renewable energy. Their extremely fast switching speed capability helps to increase efficiency and reduce the overall size and cost of the system. However, fast switching together with high operating voltages and increasing switching frequencies presents…
  • Cellular: IoT connectivity options

    Cellular: IoT connectivity options

    nwieland
    The main purpose of any IoT solution is to get data from the field to the cloud where analysis of the same generates the desired value proposition for the application. With a wide range of IoT connectivity options available, the connectivity decision is increasingly based on the cost, security, coverage, power usage and the potential throughput of the connectivity. Multiple IoT connectivity options are available and at…
  • Cellular

    Cellular

    nwieland
    LTE (Long Term Evolution) is a Cellular communication standard, which operates in licensed spectrum. LTE is also referred to as fourth generation (“4G”) of cellular communication technology. The standards for LTE are defined by 3rd Generation Partnership Project (3GPP). 3GPP is a worldwide standards organization that develops protocols/ standards for cellular telecommunications.
  • Improve your design get rid of noise

    Improve your design get rid of noise

    nwieland
    Noise at 2.4 / 5.0 GHz Noise can interfere with the extremely sensitive wireless channels operating at 2.4 / 5.0 GHz bands. Therefore it is important to consider a holistic design of the full application.
  • Why using a radio module?

    Why using a radio module?

    nwieland
    In comparison there is big potential for saving time and money by using an RF-module instead of the single RF-IC. With a pure HW-RF-module you can save HW-development resources, since the required circuitry is completely included. An integrated antenna enables an easy integration, even with a minimum of RF knowledge.
  • ANM001: MEMS Sensor PCB Design and Soldering Guidelines

    ANM001: MEMS Sensor PCB Design and Soldering Guidelines

    nwieland
    This technical document provides necessary information and general guidelines for soldering and PCB design for the Würth Elektronik eiSos MEMS sensor products with an LGA surface-mount package.