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Wireless parking barriers use Nordic Bluetooth Low Energy technology to control access to electric vehicle parking spots and charging stations

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Courtesy of Nordic Semiconductor : Wireless parking barriers use Nordic Bluetooth Low Energy technology Makaio’s ‘Parketeer’ employs Nordic Semiconductor’s nRF52832 SoC to enable smart parking barriers and wirelessly connect with nRF51822 SoC-powered gateway that relays parking spot availability data to the Cloud Oslo, Norway 2018/09/06 Nordic Semiconductor today announces that Makaio, a Bad Homburg, Germany-based smart systems…

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What is a Conical Inductor?

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Courtesy of Coilcraft : What is a  Conical Inductor? What are broadband conical inductors and how do they function? Off-the-shelf “flying lead” and surface mount broadband conical inductors, Figure 1 andFigure 2, are a special type of broadband RF choke that are used to filter radio frequency (RF) and microwave frequency interference from electronic circuits. At high frequency,…

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Antenna Performance Criteria Part 2

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Courtesy of Pasternack : Antenna Performance Criteria Part 2 Antennas are essential components of RF and microwave devices and are used in a wide variety of applications including radio and television broadcasting, radar, cellular transmission, and satellite communications to name a few. Antennas are designed to transmit and receive radio waves determined by the design of…

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Getting ready for 5G

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Courtesy of u-blox by Sylvia Lu (Senior Engineer, Cellular Technology) : Getting ready for 5G By 2023, Ericsson predicts that each active smartphone in North America will consume 48 gigabytes of data per month. That’s roughly a seven‑fold increase compared to 2017. The trend is the same across global markets, driven by improvements in our smartphones, increasingly data‑rich content, and…

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Bluetooth Low Energy-equipped power transmitter wirelessly charges wearables and other portable electronic devices fitted with RF energy harvesting chips

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Courtesy of Nordic Semiconductor : Powercast’s ‘PowerSpot TX91503 wireless transmitter’ Powercast’s ‘PowerSpot TX91503 wireless transmitter’ employs Nordic’s nRF51422 Bluetooth LE multiprotocol solution for wirelessly scheduling power transmissions and monitoring battery status of charging devices Oslo, Norway 2018/08/30 Nordic Semiconductor today announces that Powercast Corporation, a Pittsburgh, PA-based RF wireless power technology company, has selected Nordic’s nRF51422 Bluetooth® Low Energy…

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QPB9320 Front End Module by Qorvo

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Courtesy of everything RF : QPB9320 Front End Module by Qorvo The QPB9320 from Qorvo is a front end module developed for TDD macro or picocell base stations that operate from 1.850 to 2.025 GHz. This FEM integrates RF functional blocks such as a pin-diode based high power switch that can handle up to 52 Watts…

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CMD282C3 RF Variable Attenuator by Custom MMIC

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Courtesy of everything RF : CMD282C3 RF Variable Attenuator by Custom MMIC The CMD282C3 is a voltage controlled, wideband GaAs MMIC 2-bit digital attenuator that operates from DC to 22 GHz (L, S, C, X, Ku, K Band). Each bit of the attenuator is controlled by a single voltage of either 0 V or –5 V….

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SARA-N410-02B Cellular Module by u-blox AG

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Courtesy of everything RF : SARA-N410-02B Cellular Module by u-blox AG The SARA-N410-02B module from u-blox is a compact LTE Cat M1/NB1 module for USA and Taiwan. The module can dynamically switch between Cat M1 and NB-IoT without rebooting. It has a long life, low-maintenance, cost-sensitive, lower-power consumption, and can be used in extended battery life…

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Antenna Performance Criteria (Gain and Radiated Efficiency) – Part 1

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Courtesy of Pasternack : Antenna Performance Criteria RF Antennas Antennas are used to channel radio waves for the purpose of communicating information across distances without wires. Antennas are necessary for a radio receiver or transmitter to convey signals between, for example, radio and television broadcast, cellular networks, Wi-Fi devices, radar and GPS, and remote control devices….

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