Automatic transmit power control loop

Telecommunications – Transmitter – Power control – power supply – or bias voltage supply

Reexamination Certificate

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Details

C455S127200, C455S522000, C455S115300, C330S129000

Reexamination Certificate

active

07092686

ABSTRACT:
A transmitter includes a coupler (318) to measure output power. The output power is compared to a set value and a threshold. If the power is above the threshold, the gain of an output amplifier (316) is adjusted toward the set value. If the power is below the threshold, an extrapolation of the linear portion is used to obtain the set power level.

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patent: 5648955 (1997-07-01), Jensen et al.
patent: 5655220 (1997-08-01), Weiland et al.
patent: 5732341 (1998-03-01), Wheatley, III
patent: 6101179 (2000-08-01), Soliman
patent: 6188678 (2001-02-01), Prescott
patent: 6230023 (2001-05-01), Slanina
patent: 6711389 (2004-03-01), Medl et al.
patent: 6721368 (2004-04-01), Younis et al.

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