Method and arrangement for a power amplifier

Details Method and arrangement for a power amplifier Method and arrangement for a power amplifier

2006-08-22

2006-08-22

Nguyen, Linh Van (Department: 2819)

Amplifiers

Hum or noise or distortion bucking introduced into signal...

C330S151000

Reexamination Certificate

active

07095277

ABSTRACT:
The present invention relates to an arrangement and a method for amplifying high frequency RF signals having amplitude and phase variations. The objective problem of the present invention is to provide an efficient power amplifier for amplifying high frequency RF signals. The object is achieved by introducing a Signal Conditioning Device (SCD) that converts baseband signals SI and SQ into tri-states signals STI, STQ. The tri-states signals STI, STQ are time multiplexed, which results in that a single power amplifier can be used to amplify the signal on the In-phase (I) channel and the signal on the Quadrature (Q) channel. Hence, the present invention does not require a power combiner.

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Patent Abstracts of Japan, vol. 2000, No. 19, Jun. 5, 2001 & JP 2001 053627 A (Matsushita Electric Ind Co Ltd) Feb. 23, 2001.

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