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FUJITSU MPG3XXXAH-E User Manual

Page 62

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C141-E116-01EN

4 - 15

Figure 4.5

Physical sector servo configuration on disk surface

(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.

Servo frame
(96 servo frames per
revolution)