Invention Grant
US09219452B2 Dual mode receiver with RF splitter using programmable passive components 有权
具有RF分离器的双模接收器,采用可编程无源元件

Dual mode receiver with RF splitter using programmable passive components
Abstract:
One embodiment of the present invention relates to a dual mode receiver that includes an RF splitter configured to operate in two modes, wherein in a first mode a single low noise amplifier is active to receive an RF input signal, and in a second mode two low noise amplifiers are active to receive the RF input signal. The receiver further includes a programmable degeneration component operably coupled to the RF splitter, and configured to provide a first performance characteristic in the first mode, and a second, different performance characteristic in the second mode, wherein the first and second performance characteristics influence an input impedance of the RF splitter to be substantially the same in the first and second modes.
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