Asynchronous Sequential Symbol Synchronizers based on Pulse Comparison by Hybrid Transitions at Quarter Bit Rate

Reis, António; Rocha, José Ferreira da; Gameiro, Atilio; Carvalho, José Pacheco de

http://hdl.handle.net/10400.6/7442

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Authors

Reis, António

Rocha, José Ferreira da

Gameiro, Atilio

Carvalho, José Pacheco de

Abstract(s)

This work studies the asynchronous sequential symbol synchronizers based on pulse comparison by hybrid (both and positive) transitions at quarter bit rate. Their performance will be compared with the standard reference asynchronous symbol synchronizers based on pulse comparison by both transitions at bit rate. For the reference and proposed variants, we consider two versions which are the manual (m) and the automatic (a). The objective is to study the four synchronizers and evaluate their output jitter UIRMS (Unit Interval Root Mean Square) versus input SNR (Signal Noise Ratio).