Telecommunications – Receiver or analog modulated signal frequency converter – With particular receiver circuit
Reexamination Certificate
2007-04-24
2007-04-24
Vuong, Quochien B. (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
With particular receiver circuit
C455S073000, C455S078000, C455S083000
Reexamination Certificate
active
10459985
ABSTRACT:
An integrated RF front-end architecture is disclosed. Such an integrated RF front-end architecture includes a multi-tap balun, a low noise amplifier and a power amplifier core. The multi-tap balun includes a single-ended primary winding and a symmetrical multi-tap secondary winding, wherein the single-ended primary winding is operably coupled to an antenna. The low noise amplifier is coupled to a first set of taps of the symmetrical multi-tap secondary winding. The power amplifier core is coupled to a second set of taps of the symmetrical multi-tap secondary winding and can be a two stage amplifier having a driver stage and an output stage. The multi-tap balun, low noise amplifier and power amplifier core can be on-chip components or can be fabricated to be discrete components on a printed circuit board.
REFERENCES:
patent: 5809408 (1998-09-01), Fujimoto et al.
patent: 6356155 (2002-03-01), Judkins
patent: 6711397 (2004-03-01), Petrov et al.
patent: 6823292 (2004-11-01), Spencer
patent: 2003/0114129 (2003-06-01), Jerng
patent: 2004/0207504 (2004-10-01), Yang et al.
Bhatti Iqbal S.
Castaneda Jesus A.
Roufoogaran Razieh
Yang Hung Yu
Broadcom Corporation
Garlick & Harrison & Markison
Nguyen Tuan H.
Vuong Quochien B.
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