Importance

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Abstract

A method provides a technique to implement a circuit for duplexing a clock board that is applicable to all circuit elements within a base station which is synchronized by using a clock. More particularly, the method duplexes a clock board which is embodied to supply a stable clock in a CDMA (code division multiple access) System in such a manner that in case an active board is mounted/dismounted or its hardware is reset, a protection circuit logic is implemented for a board in standby mode (“a standby board”) to receive information of an Opponent board. This is so that a clock break during changing the board can be prevented by using the previously received information and the traditional complicated hardware circuits can be simplified by employing an EPLD (electrically programmable logic device).

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First Claim