Amplifiers – Hum or noise or distortion bucking introduced into signal...
Reexamination Certificate
2006-08-15
2006-08-15
Nguyen, Patricia (Department: 2817)
Amplifiers
Hum or noise or distortion bucking introduced into signal...
C330S151000, C330S052000
Reexamination Certificate
active
07091781
ABSTRACT:
A circuit is provided, having a feed forward linear power amplifier configured with two or more error correction loops (225–235, 255–265). Each of the error correction loops includes a band pass filter (237, 257). Each of the band pass filters (237, 257) is tuned to a different frequency range. A controllable frequency oscillator (220) can be coupled to an input of the error correction loops. A controller sweeps the frequency of the controllable frequency oscillator over the frequency range corresponding to each of the band pass filters (237, 257).
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Motorola Inc.
Nguyen Patricia
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