Telecommunications – Transmitter – Power control – power supply – or bias voltage supply
Reexamination Certificate
2007-04-09
2010-11-23
Le, Nhan (Department: 2618)
Telecommunications
Transmitter
Power control, power supply, or bias voltage supply
C455S253100, C330S051000
Reexamination Certificate
active
07840198
ABSTRACT:
Aspects of a method and system for processing signals in a high performance receive chain may include amplifying radio frequency signals in amplifier chains in a multistandard radio frequency front-end, comprising one or more shared processing stages, and combining, with substantially equal gain, a number of phase-shifted radio frequency signals of the radio frequency signals into substantially equal-gain-combined radio frequency signals. The substantially equal-gain-combined radio frequency signals may be demodulated to obtain inphase channels and quadrature channels. A number of inphase channels and quadrature channels may be processed in I-channel processing blocks and Q-channel processing blocks to generate an output analog baseband signal. The multistandard radio frequency front-end may be capable of processing Bluetooth® signals and Wireless Local Area Network (WLAN) signals. The amplifier chains may comprise a first amplifier and a second amplifier, where the first amplifier may be shared between Bluetooth® signal processing paths and WLAN signal processing paths.
REFERENCES:
patent: 7197336 (2007-03-01), Paramesh et al.
patent: 7251499 (2007-07-01), Ella et al.
patent: 2007/0053472 (2007-03-01), Feher
Behzad Arya
Chang Yuyu
Chien Hung-Ming
Ojo Adedayo
Rama Rao Kishore
Broadcom Corp.
Le Nhan
McAndrews, held & Malloy, Ltd.
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