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A Scalable, Digital BIST Circuit for Measurement and Compensation of Static Phase Offset

机译:可扩展的数字BIST电路,用于测量和补偿静态相位偏移

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An on-chip circuit to measure static phase offset between a reference signal and the feedback signal of a PLL (phase-locked loop) is designed using only digital elements. It is demonstrated in a 65 nm, 1.0 V CMOS technology. It has a measured resolution of 2 ps and a range of more than +/-100 ps of phase offset and, and consumes 3 mW of power at 1 GHz. It uses an on-chip calibration referred to the reference clock frequency. The measured results are reported through digital scan chains.
机译:仅使用数字元件设计了一种片上电路,用于测量参考信号和PLL(锁相环)的反馈信号之间的静态相位偏移。在65 nm,1.0 V CMOS技术中进行了演示。它的实测分辨率为2 ps,相移范围超过+/- 100 ps,在1 GHz时功耗为3 mW。它使用参考基准时钟频率的片上校准。测量结果通过数字扫描链报告。

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