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  2. Power over Ethernet - Wikipedia

    en.wikipedia.org/wiki/Power_over_Ethernet

    Passive DC-to-DC injectors also exist which convert a 9 V to 36 V DC, or 36 V to 72 V DC power source to a stabilized 24 V 1 A, 48 V 0.5 A, or up to 48 V 2.0 A PoE feed with '+' on pins 4 & 5 and '−' on pins 7 & 8. These DC-to-DC PoE injectors are used in various telecom applications. [58]

  3. Microsemi - Wikipedia

    en.wikipedia.org/wiki/Microsemi

    Renewable Energy Design Award 2014, Elektra Awards, Electronics Weekly, for DC-powered PoE Midspan Injector (solar powered) [101] Outstanding CEO in Technology 2014, OC Tech Alliance [102] DesignVision Award 2014, DesignCon [103]

  4. Current injection technique - Wikipedia

    en.wikipedia.org/wiki/Current_injection_technique

    The current injection technique examined in Dr Eio's publications optimize the switching transient of power diodes, thyristors and insulated gate bipolar transistors (IGBTs) without the need of changing the structure of these devices.

  5. Electronically controlled unit injector - Wikipedia

    en.wikipedia.org/wiki/Electronically_controlled...

    An electronically controlled unit injector (EUI) sometimes referred to as a mechanical electronic unit injector (MEUI) is a unit injector (UI) with electronic control. It performs the same function as a conventional unit injector in an internal combustion engine , such as in an on-road or off-road vehicle or a diesel-electric locomotive .

  6. Trump administration cuts US efforts to support democracy at ...

    www.aol.com/trump-administration-cuts-us-efforts...

    In less than a month in office the Trump administration has simultaneously dismantled foreign aid programs that support fragile democracies abroad and put on leave federal workers who protect US ...

  7. Bias tee - Wikipedia

    en.wikipedia.org/wiki/Bias_tee

    A bias tee is a three-port network used for setting the DC bias point of some electronic components without disturbing other components. The bias tee is a diplexer.The low-frequency port is used to set the bias; the high-frequency port passes the radio-frequency signals but blocks the biasing levels; the combined port connects to the device, which sees both the bias and RF.

  8. Medium-dependent interface - Wikipedia

    en.wikipedia.org/wiki/Medium-dependent_interface

    The terminology generally refers to variants of the Ethernet over twisted pair technology that use a female 8P8C port connection on a computer, or other network device.. The X refers to the fact that transmit wires on an MDI device must be connected to receive wires on an MDI-X device.

  9. DC-to-DC converter - Wikipedia

    en.wikipedia.org/wiki/DC-to-DC_converter

    DC-to-DC converters are used in portable electronic devices such as cellular phones and laptop computers, which are supplied with power from batteries primarily. Such electronic devices often contain several sub-circuits, each with its own voltage level requirement different from that supplied by the battery or an external supply (sometimes higher or lower than the supply voltage).

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