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US 7,598,814 B1Granted
Method and apparatus for an LNA with high linearity and improved gain control
AssigneeMarvell International Ltd.
InventorsXiaodong Jin, Lawrence Tse, King Chun Tsai, George Chien
Life of this patent
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Abstract
A low noise amplifier (LNA) circuit includes a linear input stage including a first circuit that generates an output current and has a low input impedance. A device receives an input signal, communicates with the low impedance input of the first circuit, and includes a variable resistor having a resistance that varies based on the input signal.
Claims9
A low noise amplifier (LNA) circuit, comprising:
- a linear input stage including:
- a first circuit that generates an output current and that has a low input impedance;
- and
- a device that receives an input signal, that communicates with the low impedance input of the first circuit, and that includes a variable resistor having a resistance that varies based on the input signal.
1 more element
Dependencies are inferred from the claim text.