The sensor output current may be inspected for {HEAD ~ any significant signal content} at {TAIL ~ the fixed frequency}, such as through a signal demodulation process 
The sensor output current may be inspected for { HEAD ~ any significant signal content } at { TAIL ~ the fixed frequency } , such as through a signal demodulation process
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH