Abstract:Phase and timing tracking circuits are always a crucial issue in circuit designs, especially in mobile communications and many other applications which will produce phase shift or timing jitter due to relative activity or environments variations. For keeping track of these crucial changing parameters, a synchronization circuit with 2 nd order digital loop is generally applied for its simplicity, flexibility, and fast setting time. In this paper, a typical 2 nd order digital loop filter with pre-assured stable … Show more
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