Modal transition imbalance detector

Details Modal transition imbalance detector Modal transition imbalance detector

1997-04-24

1998-07-14

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 70, 327 73, 360 67, G11B 502

Patent

active

057810427

ABSTRACT:
A magnetoresistive sensor and preamplifier system has an excess differential imbalance detector, (a) for detecting magnitude differences between a pair of signals occurring at the output of a preamplifier subsystem due to modal transitions, and (b) for initiating action to overcome same. The excess imbalance detector changes a threshold therein to become more sensitive to smaller imbalances in the output signals being monitored after detection of a modal transition imbalance.

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