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  2. Tube socket - Wikipedia

    en.wikipedia.org/wiki/Tube_socket

    Some low-power reflex klystrons such as the 2K25 and 2K45 had small-diameter rigid coaxial outputs parallel to octal base pins. To accommodate the coax, one contact was replaced by a clearance hole. Vacuum tubes for high-power applications often required custom socket designs. A jumbo four-prong socket was used for various industrial tubes.

  3. Philco - Wikipedia

    en.wikipedia.org/wiki/Philco

    Philco (an acronym for Philadelphia Battery Company) [1] is an American electronics manufacturer headquartered in Philadelphia. Philco was a pioneer in battery, radio, and television production. In 1961, the company was purchased by Ford and, from 1966, renamed "Philco-Ford". Ford sold the company to GTE in 1974, and it was purchased by Philips ...

  4. List of vacuum tubes - Wikipedia

    en.wikipedia.org/wiki/List_of_vacuum_tubes

    High-power RF power tubes are directly heated; the heater voltage must be much smaller than the signal voltage on the grid and is therefore in the 5...25 V range, drawing up to hundreds of amperes from a suitable heater transformer. In some valve part number series, the voltage class of the heater is given in the part number, and a similar ...

  5. Grid-leak detector - Wikipedia

    en.wikipedia.org/wiki/Grid-leak_detector

    Grid leak detection optimized for operation in this region is known as power grid detection or grid leak power detection. [29] [30] Grid current occurs only on the positive peaks of the carrier frequency cycle. The coupling capacitor will acquire a dc charge due to the rectifying action of the cathode to grid path.

  6. Neighbor saw pickup truck used by New Orleans terrorist ... - AOL

    www.aol.com/neighbor-saw-pickup-truck-used...

    The woman, who identified herself as Shay, told The Post she saw the truck on Tuesday and her surveillance footage shows the vehicle's lights turn on at around 12:25 a.m. on New Year's Day.

  7. Three-prong adaptor - Wikipedia

    en.wikipedia.org/wiki/Three-prong_adaptor

    The flat parallel plug blades are polarized to prevent the hot and the neutral connections from being reversed. In addition, many versions have a molded obstruction bump on top of the adapter, to block the grounding prong and thus physically prevent forcible insertion of a 3-prong plug in the wrong orientation. [citation needed]

  8. Here’s what trend forecasters think you’ll be wearing in 2025

    www.aol.com/trend-forecasters-think-ll-wearing...

    This summer, “Game of Thrones” star Sophie Turner was spotted poolside in the Côte d’Azur wearing a set of blue and white striped pajamas; while model Joan Smalls wore a black and white ...

  9. Optical power meter - Wikipedia

    en.wikipedia.org/wiki/Optical_power_meter

    An optical power meter (OPM) is a device used to measure the power in an optical signal. The term usually refers to a device for testing average power in fiber optic systems. Other general purpose light power measuring devices are usually called radiometers , photometers , laser power meters (can be photodiode sensors or thermopile laser ...