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This paper presents a wideband low-noise amplifier (LNA) architecture that is scalable in terms of the chip area and supply voltage and therefore is expected to offer superior performance with technology scaling. In order to secure low-voltage scalability and allow for potential rail-to-rail operation under an ultralow supply voltage, the CMOS inverter is chosen as the basic amplifier stage. The core...
A 300-800 MHz CMOS radio receiver aiming at software-defined radio is proposed. It exploits an LNA preceded by a tunable LC filter with one external coil to achieve voltage amplification for low NF and low-pass filtering to improve the 3rd and 5th harmonic rejection of an RF-sampling receiver to > 60dB. The balun-LNA provides partial IM3 compensation, to drive a wideband sampling downconverter...
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