Invention Grant
US08716647B2 Analog silicon photomultiplier using phase detection 有权
模拟硅光电倍增管使用相位检测

  • Patent Title: Analog silicon photomultiplier using phase detection
  • Patent Title (中): 模拟硅光电倍增管使用相位检测
  • Application No.: US13127786
    Application Date: 2009-11-06
  • Publication No.: US08716647B2
    Publication Date: 2014-05-06
  • Inventor: Padraig O'MathunaYong Luo
  • Applicant: Padraig O'MathunaYong Luo
  • Applicant Address: NL Endhoven
  • Assignee: NXP, B.V.
  • Current Assignee: NXP, B.V.
  • Current Assignee Address: NL Endhoven
  • International Application: PCT/IB2009/054949 WO 20091106
  • International Announcement: WO2010/052674 WO 20100514
  • Main IPC: H01L31/00
  • IPC: H01L31/00
Analog silicon photomultiplier using phase detection
Abstract:
An analog silicon photomultiplier system includes at least one analog pixel comprising a plurality of analog photodiodes (APDs), and a capacitor, a signal generator, a phase detector, and a compensation network. The signal generator is configured to generate and propagate a sinusoidal signal concurrently along first and second transmission lines. A capacitor is loaded on the first transmission line when an APD corresponding to the capacitor detects a photon. The phase detector is coupled with the first and second transmission lines, determines a phase difference between the first transmission line and the second transmission line and calculates a number of APDs that have fired from the phase difference. The compensation network is coupled with the second transmission line and the phase detector, and comprises a plurality of compensation capacitors, wherein the compensation capacitors are loaded on the second transmission line in proportion to the number of APDs that have fired.
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