Glossary

     

    SD

    Definition

    1. Signal detect: An output that indicates when a signal is present. A form of Signal Strength Indicator.

    2. Secure Digital, a media format for nonvolatile external memory. The successor to the "MultiMedia Card" format, or MMC, SD card memories typically operate from 3.3V supplies with modest current requirements. SD memory cards are best known as storage for digital cameras, smart phones, and other consumer electronic devices.

    Power Systems Design

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    Power Systems Design

    Power Systems Design is a leading global media platform serving the power electronics design engineering community. It delivers in-depth technical content, industry news, and product insights to engineers and decision-makers developing advanced power systems and technologies.

    Published 12× per year across North America and Europe, Power Systems Design is distributed through online and fully digital editions, complemented by eNewsletters, webinars, and multimedia content. The platform covers key areas including power conversion, semiconductors, renewable energy, automotive electrification, AI power systems, and industrial applications—supporting innovation across the global electronics industry.