An 8x8 pixel IC for X-ray spectroscopy
An integrated circuit providing 64 channels of low-noise signal processing electronics in an 8x8 pixel arrangement has been developed as part of an integrated silicon detector array for high count-rate x-ray spectroscopy applications. Each pixel features low-noise charge integration, programmable peaking time and gain, and an output driver. The 8x8 pixel IC builds upon our previous development of the XPS chip, a 1-dimensional preamplifier-shaper IC for linear silicon detector arrays. The new pixel design features significant improvements to the shaper and output driver stages, including digital peaking time and gain selection, and a low-power charge driver/receiver design. When operated with a cooled, low-capacitance silicon detector, an energy resolution of {approx} 210 eV FWHM was obtained for 5.89 keV x-rays.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Director, Office of Science (US)
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 787102
- Report Number(s):
- LBNL-47062; R&D Project: 496401; TRN: US0110578
- Resource Relation:
- Conference: 2000 Nuclear Science Symposium, Lyon (FR), 10/15/2000--10/20/2000; Other Information: PBD: 3 Nov 2000
- Country of Publication:
- United States
- Language:
- English
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