There is provided an information recording/reproduction apparatus, a head
levitation height control method, and a head levitation control circuit
capable of adequately controlling a head levitation height.An information
recording/reproduction apparatus having a head 41 that performs recording
or reproduction of information on/from a recording medium, comprises: a
drive section 43a that changes the levitation height of the head 41
relative to the recording medium based on a first drive method; a drive
section 43b that changes the levitation height of the head 41 relative to
the recording medium based on a second drive method different from the
first drive method; a levitation height measurement section that measures
the levitation height of the head 41; and a controller that controls the
drive sections 43a and 43b based on the head levitation height measured
by the levitation height measurement section.