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[pdf] Multi-Channel Combining Analog & Digital Transmitters - Combining consists of summing multiple channels together to feed onto a common cable. Low frequencies and higher frequencies will in time reach a peak voltage together of the same polarity. This volta...
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[pdf] Protecting Equipment from NEMP Damage - The sudden release of gamma rays (high energy rays) in a nuclear explosion will cause almost instant ionization (the removal of electrons from atoms) of the atmospheric gases that surround the detonat...
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[pdf] Security Cameras, CATV, GPS & Satellite Protection - Outdoor Closed Circuit Television (CCTV) Security Cameras can be a prime target for lightning. They are usually mounted on a building or other vantage point such as a metal o r wood pole. A lightning ...
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[pdf] Surge Protection Solutions for Positive Train Control - To ensure the safety of trains, passengers and track workers as well as guarantee uninterrupted traffic flow, the US Rail Safety Improvement Act of 2008 mandates the adoption of a Positive Train Contr...
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[pdf] Telephone Network - An entrance protector is required for telephone or control lines for the same reason an entrance protector is needed for power lines. The local telephone company usually supplies the building entrance...
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[pdf] Testing RF Lightning Protectors without Indicators - RF lightning protectors are designed to protect RF equipment by equalizing the potential difference between the center pin of the coax cable and its shield. The majority of RF protectors do not featur...
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[pdf] The Lightning "Event" - There are volumes of information available on what we believe lightning is and how we think it works, most of it beyond the scope of this modest textbook. We will indulge in a form of pragmatism focus...
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[pdf] Tower Mounted Electronics Protection - Protecting tower mounted electronics requires a protector at both ends of the feed cable. If coaxial cable is used, the protector should dc block the RF path, yet provide a separate, protected path fo...
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[pdf] Tower Strikes & Solutions - Most sites in use today separate the coax cables from the tower and route them toward the building entrance panel at a relatively high point on the tower, typically 8 to 15 feet above the tower base. ...
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[pdf] Transient Surges and Suppressor Technologies - Metal Oxide Varistor (MOV) versus Silicon Avalanche Suppressor Diode (SASD)- Designs Discussion The sole function of a quality surge suppressor is to protect sensitive electronic equipment from transi...
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