The RF front end is a critical building block in the receiver that greatly affects the sensitivity and linearity of the system. The receiver front end described here consists of a low-noise amplifier (LNA) and two downconversion mixers. In this chapter we start with a brief study of LNAs and mixers in CMOS technology. We then describe stacking techniques to reduce power consumption and present downconversion stages.
KeywordsBias Current Noise Figure Noise Factor Equivalent Series Resistance Wireless Transceiver
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