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  2. EIA RF Connectors - Wikipedia

    en.wikipedia.org/wiki/EIA_RF_Connectors

    The flange design, inner and outer conductor dimensions are standardized, by EIA, in the RS-225, 50 Ω (ohm), and RS-259, 75 Ω, standards.They are commonly referred to by the inner diameter of the outer conductor in fractional inches.

  3. Vacuum flange - Wikipedia

    en.wikipedia.org/wiki/Vacuum_flange

    A vacuum flange is a flange at the end of a tube used to connect vacuum chambers, tubing and vacuum pumps to each other. Vacuum flanges are used for scientific and industrial applications to allow various pieces of equipment to interact via physical connections and for vacuum maintenance, monitoring, and manipulation from outside a vacuum's chamber.

  4. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    The best example is Flanges, there are multiple holes in the Flanges, the circle through the center of these holes is known as the pitch circle, and the diameter of this circle is known as Pitch Circle Diameter, in short PCD. PDM, PDMS: product data management, product data manager [app], product data management system [app]

  5. Waveguide flange - Wikipedia

    en.wikipedia.org/wiki/Waveguide_flange

    The gap between the flange faces has been exaggerated by a factor of four to make it clearly visible. The choke flange can also be mated with a plain cover flange and still form a pressure seal. A choke connection is formed by mating one choke flange and one cover (or gasket/cover) flange. The central region of the choke flange face is very ...

  6. List of vacuum tubes - Wikipedia

    en.wikipedia.org/wiki/List_of_vacuum_tubes

    3.5.2 JIS C 7001 system. ... Download as PDF; Printable version; In other projects ... All have glass bodies that measure from 0.285 to 0.400 inches (7.2 to 10.2 ...

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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.

  8. Lions' Brian Branch apologizes for flipping off Lambeau Field ...

    www.aol.com/sports/lions-brian-branch-apologizes...

    Detroit Lions safety Brian Branch apologized Wednesday for flipping off the Lambeau Field crowd following his ejection during Sunday's 24-14 win over the Green Bay Packers.

  9. DIN connector - Wikipedia

    en.wikipedia.org/wiki/DIN_connector

    Five-pin male 180° DIN connector from a 1988 Schneider MF2 keyboard by Cherry. The DIN connector is an electrical connector that was standardized by the Deutsches Institut für Normung (DIN), the German Institute for Standards, in the mid 1950s, initially with 3 pins for mono, but when stereo connections and gear appeared in late 1950s (1959 or so), versions with 5 pins or more were launched.