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  2. Indian-head test pattern - Wikipedia

    en.wikipedia.org/wiki/Indian-head_test_pattern

    [11] [12] It was sold as a night-light from 1997 to 2005 by the Archie McPhee company, [13] reminiscent of the times when a fairly common late-night experience was to fall asleep while watching the late movie, only to awaken to the characteristic sine wave tone accompanying the Indian-head test pattern on a black-and-white TV screen.

  3. Television interference - Wikipedia

    en.wikipedia.org/wiki/Television_interference

    It is possible to also get a bad picture if the signal strength of the TV transmitter is too high. An attenuator inserted in the antenna lead-in wire may be used if the television receiver displays signs of overload in the RF front end. Strong out-of-band signals may also affect television reception and may require band-pass filters to reduce ...

  4. List of Antenna TV affiliates - Wikipedia

    en.wikipedia.org/wiki/List_of_Antenna_TV_affiliates

    The following is a listing of affiliates for Antenna TV, [1] a classic television network, which was launched on January 1, 2011, by Tribune Broadcasting [2] and is now owned by Nexstar Media Group. [ 3 ]

  5. Television antenna - Wikipedia

    en.wikipedia.org/wiki/Television_antenna

    A short antenna pole next to a house Multiple Yagi TV aerials. Antennas are commonly placed on rooftops and sometimes in attics. Placing an antenna indoors significantly attenuates the level of the available signal. [19] [20] Directional antennas must be pointed at the transmitter they are receiving; in most cases great accuracy is not needed ...

  6. Antenna effect - Wikipedia

    en.wikipedia.org/wiki/Antenna_effect

    Antenna rules are normally expressed as an allowable ratio of metal area to gate area. There is one such ratio for each interconnect layer. The area that is counted may be more than one polygon —it is the total area of all metal connected to gates without being connected to a source/drain implant.

  7. Standard-definition television - Wikipedia

    en.wikipedia.org/wiki/Standard-definition_television

    SDTV resolution by nation: for historical reasons, different countries use either 480i or 576i as their standard-definition picture format. Standard-definition television (SDTV; also standard definition or SD) is a television system that uses a resolution that is not considered to be either high or enhanced definition. [1]

  8. Driven and parasitic elements - Wikipedia

    en.wikipedia.org/wiki/Driven_and_parasitic_elements

    Yagi antenna for UHF TV reception with 22 parasitic elements; 4 reflectors attached to the vertical bracket at left, and 18 directors attached to the horizontal beam at right. The driven element is attached to the black box next to the reflectors. The antenna is most sensitive to radio waves coming from the right, parallel to the antenna's axis.

  9. TV tuner card - Wikipedia

    en.wikipedia.org/wiki/TV_tuner_card

    The ATI Twin Wonder TV tuner card. A TV tuner card is a kind of television tuner that allows television signals to be received by a computer. Most TV tuners also function as video capture cards, allowing them to record television programs onto a hard disk much like the digital video recorder (DVR) does. A DVB-S2 tuner card D-Link external TV tuner