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Author:

Wang, Xu (Wang, Xu.) | Yang, Hongyan (Yang, Hongyan.) | Yuan, Ying (Yuan, Ying.) | Wu, Wuchen (Wu, Wuchen.) (Scholars:吴武臣)

Indexed by:

EI Scopus

Abstract:

A multi-channel charge readout integrated circuit (IC) which converts detector charge to analog voltage with offset calibration for X-ray industrial inspection is described. The charge readout IC provides 64 channels of circuit having a max dynamic range of 14 bit and is comprised of charge amplifier gain control, timing generator, shift register chain, charge amplifier array, sample/hold (S/H) stage amplifier and driver etc. It was fabricated using 0.8 um standard CMOS process, and occupies a die area of 3.1 mm × 10.9 mm. It operates at 4 MHz, consumes 45 mW from 5 V supply and 3.5 V as reference, and has a demonstrated output noise performance of 600 uVrms on 0.5 pF of charge amplifier gain capacitance and 33 pF of photodiode (PD) terminal capacitance. © 2012 IEEE.

Keyword:

Shift registers Integrated circuits Capacitance Inspection Image processing Timing circuits X rays Calibration X ray detectors

Author Community:

  • [ 1 ] [Wang, Xu]VLSI and System Lab, Beijing University of Technology, Beijing, China
  • [ 2 ] [Yang, Hongyan]VLSI and System Lab, Beijing University of Technology, Beijing, China
  • [ 3 ] [Yuan, Ying]VLSI and System Lab, Beijing University of Technology, Beijing, China
  • [ 4 ] [Wu, Wuchen]VLSI and System Lab, Beijing University of Technology, Beijing, China

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Year: 2012

Page: 1677-1680

Language: English

Cited Count:

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SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 8

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