Table I.

Summary of detector characteristics.

Detector Characteristics	a-Si:H	CMOS
Model	PaxScan 3030X	Xineos 3030HS
Manufacturer	Varex	Dalsa
Scintillator	600 μm CsI:Tl
Pixel Pitch (Native)	0.194 mm	0.151 mm
Pixel Pitch (2×2 Binning)	0.388 mm	0.302 mm
Active Area	298 × 298 mm2	295 × 295 mm2
Gain Modes	LG: Low Gain HG: High Gain	LG: High FWC HG: Low FWC
A/D Bit Depth	16
Max Frame Rate (1×1)	15 fps	14 fps
Max Frame Rate (2×2)	30 fps	57 fps
Electronic Noise (LG)	~ 2410 e− rms	~ 1000 e− rms
Electronic Noise (HG)	~ 1310 e− rms	~ 430 e− rms
Sensitivity (LG or HG)	20×106 e−/mAs/pixel	11×106 e−/mAs/pixel