A high dynamic range current-mode amplifier for computed tomography

In this paper, we show a high dynamic range current-mode detector for computed tomography application. A regulated current mirror structure has been implemented at pixel level that provides with 17 bits dynamic range and a noise floor below 3 pARMS. Nonlinearity is kept below 2% and signal bandwidth...

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Veröffentlicht in:	IEEE journal of solid-state circuits 2006-07, Vol.41 (7), p.1615-1619
Hauptverfasser:	Steadman, R., Vogtmeier, G., Kemna, A., Quossai, S.E.I., Hosticka, B.J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Amplifiers Applied sciences Arrays Bandwidth Circuit properties Circuits CMOS Computation Computed tomography Current mirrors Design. Technologies. Operation analysis. Testing Detectors Dynamic range Electric, optical and optoelectronic circuits Electrical capacitance tomography Electronic circuits Electronics Exact sciences and technology image sensor Integrated circuits Mirrors monolithic integrated circuit Optical amplifiers Optoelectronic devices Photodiodes Pixels Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Testing, measurement, noise and reliability Tomography x-ray X-ray imaging
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