Telecommunications – Transmitter – Power control – power supply – or bias voltage supply
Reexamination Certificate
2006-03-03
2010-11-16
Urban, Edward (Department: 2618)
Telecommunications
Transmitter
Power control, power supply, or bias voltage supply
C455S114200, C455S127200, C375S296000
Reexamination Certificate
active
07835710
ABSTRACT:
A circuit comprises a delay module that receives a digital transmit signal and that generates a delayed transmit signal. A first digital to analog converter converts the delayed transmit signal to an analog transmit signal. An analog output circuit amplifies the analog transmit signal. An envelope generating module generates an envelope signal based on amplitude information in the digital transmit signal. A supply adjustment module supplies a voltage supply reference when the envelope signal is less than a threshold and boosts the bias voltage of the analog output circuit above the voltage supply reference when the envelope signal is greater than the threshold.
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Hannon Christian A
Marvell World Trade Ltd.
Urban Edward
LandOfFree
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