Physical Sector Servo Configuration On Disk Surface - Fujitsu MPG3XXXAH-E Product Manual

Figure 4.5
(2) Servo burst capture circuit
The four servo signals can be synchronously detected by the DEMOD signal (internal), 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.

Physical sector servo configuration on disk surface

C141-E116-01EN
Servo frame
(96 servo frames per
revolution)
4 - 15