http://www.w3.org/ns/prov#value | - an input current for use by the VCM, wherein the improvement comprises:means for providing direct feedback of the VCM current to the input of the power amplifier; means for determining if the power amplifier is saturated; and said processor including means for making a first estimate of VCM current and for making a second estimate of VCM current in response to a determination of power amplifier sa
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