Telecommunications – Transmitter – Power control – power supply – or bias voltage supply
Reexamination Certificate
2004-12-27
2008-11-11
Nguyen, Duc M (Department: 2618)
Telecommunications
Transmitter
Power control, power supply, or bias voltage supply
C455S127300, C455S108000, C330S010000, C330S133000
Reexamination Certificate
active
07450915
ABSTRACT:
Smart transmitter system that includes apparatus for an automatic gain control circuit. The apparatus includes a circuit translates a transmit power control signal to produce a linear signal, and a first mapping circuit that maps the linear signal to a first control signal that is coupled to a variable gain amplifier (VGA). The apparatus also includes a power amplifier (PA) control circuit that receives the linear signal and a transmit signal to produce a second control signal that is coupled to a power amplifier.
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Cooley Goodward Kronish LLP
Nguyen Duc M
Sequoia Communications
Tagliaferri Daniel
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