Physical Sector Servo Configuration On Disk Surface - Fujitsu MPE3XXXAT Product Manual

Figure 4.5
(2) Servo burst capture circuit
The four servo signals can be synchronously detected by the STROB signal, full-wave
rectified integrated.
(3) A/D converter (ADC)
The A/D converter (ADC) receives the servo signals are integrated, converts them to digital,
and transfers the digital signal to the DSP unit.
4 - 16

Physical sector servo configuration on disk surface

C141-E077-01EN
Servo frame
(96 servo frames per revolution)