Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion
Reexamination Certificate
2005-03-31
2008-08-19
Nguyen, Duc M (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
Frequency modifying or conversion
C455S323000, C455S333000, C327S410000, C327S404000
Reexamination Certificate
active
07415261
ABSTRACT:
A mixer for use in a transceiver comprises an LO switching pair and a folded transconductor. The mixer can be used as an upconversion or down conversion mixer and provides increased headroom and linearity, while still reducing current consumption. The mixer can be configured for differential inputs and outputs and the folded transconductor can comprises a MOSFET differential pair.
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International Search Report dated Sep. 24, 2007 for PCT/US06/06719 filed on Feb. 27, 2006.
Gao Weinan
Rosik Ray
Santini Mark
Baker & McKenzie LLP
Conexant Systems Inc.
Nguyen Duc M
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