Linearization apparatus capable of adjusting peak-to-average...

Details Linearization apparatus capable of adjusting peak-to-average... Linearization apparatus capable of adjusting peak-to-average...

2005-03-15

2005-03-15

Choe, Henry (Department: 2817)

Amplifiers

With amplifier bypass means

C330S149000

Reexamination Certificate

active

06867648

ABSTRACT:
A linearized amplification apparatus includes a means for dividing an input signal into a main channel signal and a subsidiary channel signal, a PAR (Peak-to-Average power Ratio) adjustment block for reducing a PAR of the main channel signal to generate a sub-main signal having a reduced PAR compared to the PAR of the main channel signal, an error extraction block for extracting an error signal from the subsidiary channel signal and amplifying the error signal, the amplified error signal corresponding to distortion components in the sub-main signal, and a means for coupling the sub-main signal with the amplified error signal to generate an output signal having an increased PAR compared to the PAR of the sub-main signal.

REFERENCES:
patent: 6078216 (2000-06-01), Proctor, Jr.
patent: 6392483 (2002-05-01), Suzuki et al.
patent: 6417731 (2002-07-01), Funada et al.

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