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frequencey selective reciever capable of tuning in a desired frequencey |
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measures AC with true readings |
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Time Domain Reflectometer |
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The velocity of an electrical signal on a cable as it relates to the speed of light in a vacuum |
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The resistance of a circuit to alternating current |
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Before you connect you TDR to a cable you must |
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Time lags needs for the pulse width to enter into the cable |
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properly terminated cable |
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shows a straight line for the entire lenght of the trace |
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used when connecting test leads to the cable is not possible |
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sending AC from 2 different power supplies |
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low resistance connection between two points that forms an alternative path for a portion of current |
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Amp/ Hybrid #1 in a mini bridger |
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takes care of any noise problems |
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amp/hybrid #2 in a minibridger |
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takes care of distortions |
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IPPV, VOD, internet, telephony |
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requier 2 way communitcation |
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when forward bleeds onto return @ 6MGHz intervals |
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when 2 or more customers have poor or no picture |
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