Thread: Newbie question
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Old 9-Mar-2015, 8:58 PM   #10
timgr
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Join Date: Apr 2014
Location: Medford MA USA
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Amazon - http://www.amazon.com/WINEGARD-TV-29.../dp/B0029U2XH2

Often they are called transformers. As mars1162 described, they match the twin-lead impedance of 300 ohms to the coaxial cable impedance of 75 ohms.
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