Evaluation Of Solid-state Crowbars And Gas-discharge Tubes In CATV Surge Suppression Applications (1992)
By Peter Deierlein, Magnavox CATV
Gas-discharge surge arrestor tubes and the recently-introduced solid-state AC crowbars perform identical surge suppression functions in CATV systems, but each operates on very different principles and possesses different performance limitations. CATV equipment must withstand two distinctly different types of surge phenomena, and each surge suppression device is uniquely suited to protect from the effects of a particular type and level of surge. Analysis of both equipment failure and field test data is used as a guide in the selection of appropriate surge protection devices, which are then tested to determine their relative strengths.
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