Since there is {HEAD ~ no gas restricting means} like aperture 30 constraining such pumping action, {TAIL ~ the pump current} corresponding to the negative voltage Vo will be highly non linear 
Since there is { HEAD ~ no gas restricting means } like aperture 30 constraining such pumping action , { TAIL ~ the pump current } corresponding to the negative voltage Vo will be highly non linear
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH