When connected in a receiver circuit, one of the electrodes of the transducer is placed as a reference for the electronics and {HEAD ~ the other electrode} is connected through amplifier means to {TAIL ~ a signal processing system} 
is connected to
When connected in a receiver circuit , one of the electrodes of the transducer is placed as a reference for the electronics and { HEAD ~ the other electrode } is connected through amplifier means to { TAIL ~ a signal processing system }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL