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    Advances in the Environmental Performance of Polymer Capacitors

    Vishay Releases DLA Tantalum Polymer Capacitors for Military and Aerospace

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    Efficient Power Converters: Duty Cycle vs Conduction Losses

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    Coupled Inductors in SEPIC versus Flyback Converters

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    How to Calculate the Output Capacitor for a Switching Power Supply

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    Advances in the Environmental Performance of Polymer Capacitors

    Vishay Releases DLA Tantalum Polymer Capacitors for Military and Aerospace

    Vishay Expanded Inductor Portfolio With More Than 2000 Stock Items 

    Paumanok Releases Capacitor Foils Market Report 2025-2030

    Modelithics Welcomes CapV as a Sponsoring MVP

    Wk 40 Electronics Supply Chain Digest

    Benefits of Tantalum Powder Stress–Strain Curve Evaluation vs Conventional Wet Test

    Electrolyte Selection and Performance in Supercapacitors

    Connector PCB Design Challenges

    Trending Tags

    • Ripple Current
    • RF
    • Leakage Current
    • Tantalum vs Ceramic
    • Snubber
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    Efficient Power Converters: Duty Cycle vs Conduction Losses

    Ripple Steering in Coupled Inductors: SEPIC Case

    SEPIC Converter with Coupled and Uncoupled Inductors

    Coupled Inductors in SEPIC versus Flyback Converters

    Non-Linear MLCC Class II Capacitor Measurements Challenges

    Percolation Phenomenon and Reliability of Molded Power Inductors in DC/DC converters

    Root Causes and Effects of DC Bias and AC in Ceramic Capacitors

    How to Calculate the Output Capacitor for a Switching Power Supply

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Würth Elektronik Webinar: Signal interface filters – effectiveness under real conditions

17.4.2020
Reading Time: 1 min read
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The webinar lectured by Würth Elektronik experts shows in a holistic concept the challenges that arise, when implementing an RF filter in modern signal interfaces. High signal data rates, different grounding concepts, boundary conditions of the housing, filter insertion loss, transient protection and also the use of modern components are considered.

The effectiveness of filters under realistic impedance conditions, via the coupling antenna (= peripheral cable) – antenna, compared to the 50Ohm system is shown. Filter topologies are compared, their effect in the system when using different inductors is shown. The influence of filter design and antenna impedance, i.e. the “peripheral cable”, are thus clearly understood.

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From a short and simple signal analysis, interference spectrum and filter corner frequency can be determined. Decisive for the required function of a filter are the topology adapted to the system, components suitable for the frequency range and an RF-compatible design including layout. This is followed by selection of the suitable inductance with adapted curve, and, if necessary, additional transient protection. Associated components are briefly discussed.

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Source: Würth Elektronik

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a Schematic diagram of the BNT-based components constructed based on the entropy-increase strategy. b Digital photograph, cross-sectional SEM image, and EDS mappings of the MLCCs. c Unipolar P-E loops of MLCCs as a function of applied E. d Wrec and η of the MLCCs as a function of applied E. The comparison of (e) Wrec and η, (f) η and UF of the MLCCs with those of other recently reported state-of-the-art MLCCs. source: Nature Communications

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