Various methods and apparatuses for a surge protection scheme

Details Various methods and apparatuses for a surge protection scheme Various methods and apparatuses for a surge protection scheme

2005-08-25

2009-10-13

Leja, Ronald W (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

Reexamination Certificate

active

07602596

ABSTRACT:
In general, various methods, apparatuses, and systems for a surge protection circuit for a Public Switched Telephone Network (PSTN) are disclosed. The surge protection circuit includes a first voltage protection device coupled to a first wire of the PSTN. A voltage protection device conducts when voltage applied across the voltage protection device at least meets a set voltage threshold. The surge protection circuit includes a second voltage protection device coupled to a second wire of the PSTN. The second voltage protection device is coupled to the first voltage protection device in series. The surge protection circuit includes a voltage divider device to cause a voltage applied differentially across the first wire and second wire to divide evenly across the first voltage protection device and the second voltage protection device.

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Ardley, Tim, “GDT Application Note GDT Protection Solutions for ADSL and ADSL2+ Solution,” 2005, 5 pages.

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