DocumentCode
3628733
Title
Current-mode preamplifier for response measurement of semiconductor scintillator
Author
Xiao Yun;Milutin Stanacevic;Vladis Kuzminsky;Mikhail Gouzman
Author_Institution
Department of Electrical and Computer Engineering, Stony Brook University, NY, USA
fYear
2008
Firstpage
398
Lastpage
401
Abstract
A design of front-end preamplifier for measurement of optical response of photo-detector registering light produced by semiconductor scintillator is presented. The designed preamplifier is based on a current mode, regulated cascode (RGC) structure. A comparison with a previously reported common gate (CG) structure is provided. The experimental prototype was designed in 0.5μm CMOS process. With a 5 V power supply, total power consumption of a chip is 7.5mW. With 50 pF input capacitance and 100 nA leakage current of interfaced photo-detector, the equivalent noise charge (ENC) is 8000.
Keywords
"Noise","Preamplifiers","Capacitance","Logic gates","Detectors","Parasitic capacitance","Mirrors"
Publisher
ieee
Conference_Titel
Circuits and Systems, 2008. MWSCAS 2008. 51st Midwest Symposium on
ISSN
1548-3746
Print_ISBN
978-1-4244-2166-4
Electronic_ISBN
1558-3899
Type
conf
DOI
10.1109/MWSCAS.2008.4616820
Filename
4616820
Link To Document