A servo demodulator (20) is provided for generating a track identification signal (148) and a position error signal (150) from a servo wedge signal, such as a filtered servo wedge signal (112), in response to the processing of the servo wedge signal by a read channel (18). The servo demodulator (20)...http://www.google.com.au/patents/US6108153?utm_source=gb-gplus-sharePatent US6108153 - Servo demodulator and method for synchronous servo demodulation
