As a result, when {HEAD ~ noise} has been superimposed upon {TAIL ~ a power supply} of a pixel, the noise can be mixed into a read signal output from the pixel, which is disadvantageous 
superimposed upon
As a result , when { HEAD ~ noise } has been superimposed upon { TAIL ~ a power supply } of a pixel , the noise can be mixed into a read signal output from the pixel , which is disadvantageous
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH