Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – Nonlinear amplifying circuit
Reexamination Certificate
2007-03-13
2007-03-13
Nguyen, Long (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
Nonlinear amplifying circuit
C327S067000
Reexamination Certificate
active
10765599
ABSTRACT:
An apparatus for use with a sensor includes first and second signal treating circuit segments coupled with the sensor for presenting a substantially balanced differential signaling representation of output signals from the sensor. Each respective signal treating circuit segment comprises a plurality of circuit elements having different electrical symmetries coupled in parallel and establishing a plurality of parallel signal paths having asymmetric signal handling characteristics. A feedback circuit is coupled with the first and second signal treating circuit segments and provides feedback signals to selected circuit elements in each of the first and second signal treating circuit segments. The feedback signals effect substantially balanced signal handling among the selected circuit elements having similar electrical symmetries.
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Veenstra, Hugo; Mulder, Jan; Le, Iuan; and Grillo, Giuseppe; A 1 Gb/s Read/Write-Preamplifier for Hard-Disk-Drive Applications; IEEE Solid-State Circuits Conference, Feb. 2001; Session 12, Signal Processing for Storage and Coding.
Barnett Raymond Elijah
Brannon Craig Matthew
Brady W. James
Nguyen Long
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
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