一种用于DVD-16写入系统的锁相环，具有63个输出相位和32ps的分辨率

2006 IEEE International Solid State Circuits Conference - Digest of Technical Papers Pub Date : 2006-09-18 DOI:10.1109/ISSCC.2006.1696306

S. Dosho, S. Sakiyama, Noriaki Takeda, Y. Tokunaga, T. Morie

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引用次数: 10

摘要

在65nm CMOS工艺中，通过环形振荡器耦合实现了32ps相位分辨率的电流控制振荡器(CCO)。紧凑的布局方法实现了36倍46mum2的面积和多相输出，定时误差小。一个具有63个输出相的CCO用于DVDtimes16写入系统的锁相环。在490MHz时，输出相的实测DNL在1.0LSB以内

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A PLL for a DVD-16 Write System with 63 Output Phases and 32ps Resolution

A current-controlled oscillator (CCO) with 32ps phase resolution is realized by coupling ring oscillators in a 65nm CMOS process. A compact layout method achieves 36times46mum2 area and multiphase outputs whose timing errors are small. A CCO with 63 output phases is used in the PLL for a DVDtimes16 write system. The measured DNL of the output phases is within 1.0LSB at 490MHz

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2006 IEEE International Solid State Circuits Conference - Digest of Technical Papers

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