Abstract
Two-dimensional linear, time-invariant simulation results of a magnetoresistive (MR) head readback response for Position Error Signal (PES) generation are compared with experimental data. Split-burst amplitude and null patterns are considered for the off-track study. Micro-track profiling results for use in the simulations are also presented. The simulations capture the on-track response of the MR head, although the predicted off-track response is degraded. The simulated PES predicts more non-linearity with off-track displacement than the experimental data indicates. The results suggest that more advanced simulation techniques are required for servo channel design and prediction.
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