Time-to-digital converter

Details Time-to-digital converter Time-to-digital converter

H - Electricity

03

K

H03K 5/05 (2006.01) H03K 5/135 (2006.01) H03K 5/1534 (2006.01) H03M 1/12 (2006.01)

Patent

CA 2562200

A Time-to-Digital Converter (TDC) is constructed using simple digital delay circuits. The design uses a clock compensation scheme to modify and adjust the TDC's operation under integrated circuit fabrication process variations. The TDC design is based on a novel digital processing algorithm that produces one conversion every clock cycle. Therefore, this TDC is the "first" single cycle latency TDC targeted at high speed circuit applications such as (but not limited to) time-based Analog to Digital Converters (ADCs) for direct analog to digital conversion of radio frequency signals in wireless communication systems and high speed signal measurement applications. Due to its hierarchical design approach, the TDC design uses an optimized number of delay circuits and therefore requires very little power consumption and silicon area.

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