Power amplifier control driver having over-current...

Details Power amplifier control driver having over-current... Power amplifier control driver having over-current...

2005-09-27

2005-09-27

Vo, Nguyen T. (Department: 2685)

Telecommunications

Transmitter

With feedback of modulated output signal

C455S127200, C330S298000

Reexamination Certificate

active

06950636

ABSTRACT:
A linear power control loop for a power amplifier is disclosed. Embodiments of the invention linearly control the power amplifier output, prevent the power amplifier from failure induced by excessive supply current by reducing power amplifier bias current, and provide a mechanism to detect whether the power amplifier is operating in a saturation condition.

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patent: 6466772 (2002-10-01), Rozenblit et al.
patent: 6734729 (2004-05-01), Andrys et al.

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