Amplifying device

Details Amplifying device Amplifying device

2005-06-07

2005-06-07

Vo, Nguyen T. (Department: 2685)

Telecommunications

Transmitter

Noise or interference elimination

C455S127100, C375S297000

Reexamination Certificate

active

06904267

ABSTRACT:
To provide an amplifying device with reduced size, weight and cost. The amplifying device delays input signals using digital delay sections in a main signal system, performs offset rotation processing of digital input signals in carrier offset sections and power detection in a power detecting section in a control system, matches phases of a multi-carrier signal of the main signal system and a power value signal of the control system in a phase control section, and gives distortion compensation in a predistorter for canceling a nonlinear characteristic generated in an amplifier.

REFERENCES:
patent: 5903823 (1999-05-01), Moriyama et al.
patent: 6388518 (2002-05-01), Miyatani
patent: 6449466 (2002-09-01), Jin et al.
patent: 2002/0064236 (2002-05-01), Matsuoka et al.
patent: 08-251246 (1996-09-01), None
patent: 2001-151295 (2000-05-01), None
patent: WO00/39920 (2000-07-01), None

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