y we are used signal conditioner in capacitive transducer

Answer Posted / rajeshsonic

capacitive transducer has

low snesitivity
output change wrt input is not significant with large value
of input signal

poor linearity i.e output is not proportional to input

here output is capacitance change ( converted to voltage )
and input may be distance / level / pressure measurement etc
]
we use opamps for this demerit

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