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An asynchronous pixel architecture for simultaneous radiation imaging and spectroscopy on a real-time basis

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4 Author(s)
Kapnistis, C. ; Inst. of Microelectron., N.C.S.R. Demokritos, Athens, Greece ; Misiakos, K. ; Haralabidis, N. ; Kyriakis-Bitzaros, D.

A pixel chip is presented, employing an asynchronous architecture capable of simultaneous imaging and spectroscopy, on a real-time basis, with no external control signals. The mixed analog-digital architecture has been implemented using a commercial 0.8 μm CMOS technology. The detectors are monolithically integrated with the pixel electronics. The pixel pitch is 300×300 μm2. The measured gain is 1270 mV/fC at. 200-ns shaping time, and the ENC is 18 e- at 40-fF total input capacitance. The power dissipation per pixel is 2 mW at. 3.3 V.

Published in:

Nuclear Science, IEEE Transactions on  (Volume:49 ,  Issue: 4 )

Date of Publication:

Aug 2002

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