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  2. Smith chart - Wikipedia

    en.wikipedia.org/wiki/Smith_chart

    Using the Smith chart, the normalised impedance may be obtained with appreciable accuracy by plotting the point representing the reflection coefficient treating the Smith chart as a polar diagram and then reading its value directly using the characteristic Smith chart scaling. This technique is a graphical alternative to substituting the values ...

  3. Frequency allocation - Wikipedia

    en.wikipedia.org/wiki/Frequency_allocation

    US frequency allocations chart, 2016. Frequency allocation (or spectrum allocation) is the part of spectrum management dealing with the designation and regulation of the electromagnetic spectrum into frequency bands, normally done by governments in most countries. [1]

  4. Reference designator - Wikipedia

    en.wikipedia.org/wiki/Reference_designator

    1A1A44J5 - Unit 1, Assembly 1, Sub-Assembly 44, Jack 5 (J5 is a connector on a box referenced as A44) 1A1A45J333 - Unit 1, Assembly 1, Sub-Assembly 45, Jack 333 (J333 is a connector on a box referenced as A45) A cable connecting these two might be: 1A1W35 - In the assembly A1 is a cable called W35. Connectors on this cable would be designated:

  5. AOL

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    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

  6. Radio spectrum - Wikipedia

    en.wikipedia.org/wiki/Radio_spectrum

    A radio band is a small frequency band (a contiguous section of the range of the radio spectrum) in which channels are usually used or set aside for the same purpose. To prevent interference and allow for efficient use of the radio spectrum, similar services are allocated in bands.

  7. List of IEC standards - Wikipedia

    en.wikipedia.org/wiki/List_of_IEC_standards

    IEC 60966 Radio frequency and coaxial cable assemblies; IEC 60968 Self-ballasted fluorescent lamps for general lighting services – Safety requirements; IEC 60969 Self-ballasted compact fluorescent lamps for general lighting services – Performance requirements; IEC 60970 Insulating liquids – Methods for counting and sizing particles

  8. Monster sinkhole opens along major NJ highway, leading to ...

    www.aol.com/monster-sinkhole-opens-along-major...

    The sinkhole — which appeared large enough to swallow several cars hole — opened on the side of Interstate 80 in Wharton sometime around 7:45 a.m.

  9. Dolly Parton Reveals the Real Reason We Never See Her Husband ...

    www.aol.com/lifestyle/dolly-parton-reveals-real...

    "9 to 5" singer Dolly Parton opened up on Bunnie Xo's 'Dumb Blonde' podcast about why her husband Carl Dean doesn't like to attend any events with her.