A Low-Power Gateable Vernier Ring Oscillator Time-to-Digital Converter for Biomedical Imaging Applications.

IEEE Transactions on Biomedical Circuits and Systems（2016）

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摘要

In this paper, a high resolution, high precision and ultra-low power consumption time-to-digital converter (TDC) is presented. The proposed TDC is based on the gateable Vernier ring oscillator architecture. Fine resolution is achieved through two ring oscillators arranged in the Vernier configuration. This TDC employs a single-transition end-of-conversion detection circuit and turns off the ring o...

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关键词

Delays,Ring oscillators,Logic gates,Positron emission tomography,Biomedical measurement,Signal resolution

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