A Digital PLL with 5-Phase Digital PFD for Low Long-term Jitter Clock Recovery
Autor: | Kuk-Tae Hong, Seung-Hyun Yi, Byong Chan Lim, Sung-Hyun Yang, Tae-Young Oh |
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Rok vydání: | 2006 |
Předmět: | |
Zdroj: | CICC |
DOI: | 10.1109/cicc.2006.320966 |
Popis: | This paper presents a digital PLL for low long-term jitter clock recovery. A jitter reduction scheme for digitally controlled oscillator is proposed and 39% jitter reduction is observed. A 5-phase digital phase frequency detector (PFD) has 265 ps resolution and controls output clock phase by 132 ps step. The long-term jitter is measured as 460 ps pk-pk. This digital PLL is implemented in 0.18 ?m CMOS process using 0.417 mm2 and consumes 61.0 mW power. |
Databáze: | OpenAIRE |
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