A CDMA2000 zero IF receiver with low-leakage integrated front-end
2003
This paper describes a highly integrated CDMA 2000 US-CEL band receiver signal path functions including the LNA on a single die. The complete receiver design exceeds the stringent linearity and LO leakage requirements for this standard arising from the co-existence with narrow band FM signals. The integrated LNA achieves 1.0dB noise figure with +9dBm IIP3 at high gain, and by maintaining LO leakage to the antenna port well below -80dBm at all gain settings, no external LNA is required. The receiver is fabricated in a 0.25/spl mu/m 40 GHz ft BICMOS technology, and occupies 3mm/sup 2/.
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