Pulse or digital communications – Transmitters – Antinoise or distortion
Reexamination Certificate
2006-11-28
2006-11-28
Patel, Jay K. (Department: 2611)
Pulse or digital communications
Transmitters
Antinoise or distortion
C455S114300
Reexamination Certificate
active
07142615
ABSTRACT:
A distortion compensator for compensating for distortion produced in an amplifier that amplifies a signal includes a signal level detector for detecting a level of a signal to be amplified and a distortion compensator for conducting distortion compensation based on the detection result separately for each frequency band signal of multiple frequency band signals contained in the signal to be amplified. The distortion compensator improves distortion compensation performance by reducing the effect of frequency characteristics that restrict the distortion compensation performance limit.
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Hongo Naoki
Horaguchi Masato
Okubo Yoichi
Suto Masaki
Takada Toshio
Hitachi Kokusai Electric Inc.
Lugo David B.
Patel Jay K.
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