Author(s):
Rocha, J. G. 
; Ramos, N. F.
Date: 2002
Persistent ID: http://hdl.handle.net/1822/3047
Origin: RepositóriUM - Universidade do Minho
Subject(s): Sigma-delta; ADC
Document details
Small size sigma-delta analog to digital converter
Description
This report describes the analog to digital converter for an image sensor, implemented in a standard CMOS process. The image sensor, after coated with a scintillator material, can acquire x-rays images. Since it uses standard CMOS technology, the digital circuits of control and signal processing can be integrated into the same chip. The analog to digital convertion is based in a sigma delta approach, being implemented inside each pixel.
This report describes the analog to digital converter for an image sensor, implemented in a standard CMOS process. The image sensor, after coated with a scintillator material, can acquire x-rays images. Since it uses standard CMOS technology, the digital circuits of control and signal processing can be integrated into the same chip. The analog to digital convertion is based in a sigma delta approach, being implemented inside each pixel.
Document Type
Report
Language English
Language English
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