Time of flight system on a chip

Details Time of flight system on a chip Time of flight system on a chip

2006-03-14

2006-03-14

Wells, Nikita (Department: 2881)

Radiant energy

Ionic separation or analysis

Ion beam pulsing means with detector synchronizing means

C250S282000, C250S281000, C250S294000, C250S296000, C250S298000, C250S299000, C250S306000, C250S307000, C250S309000

Reexamination Certificate

active

07012248

ABSTRACT:
A CMOS time-of-flight “TOF” system-on-a-chip “SoC” for precise time interval measurement with low power consumption and high counting rate has been developed. The analog and digital TOF chip may include two Constant Fraction Discriminators “CFDs” and a Time-to-Digital Converter “TDC”. The CFDs can interface to start and stop anodes through two preamplifiers and perform signal processing for time walk compensation (110). The TDC digitizes the time difference with reference to an off-chip precise external clock (114). One TOF output is an 11-bit digital word and a valid event trigger output indicating a valid event on the 11-bit output bus (116).

REFERENCES:
patent: 2005/0061968 (2005-03-01), Green

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