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This paper describes a fully integrated 130nm CMOS 2×2 MIMO tri-band dual-mode transceiver for fixed and mobile WiMAX and IEEE 802.11a/b/g/n applications. The transceiver features reduced RF interface (only 4 RF pins) with the wideband circuit topology of the LNA and drive amplifier that minimizes the performance degradation. The measured receive path NF is 3.6~4.2, 4.2~4.7, and 5.4~6.2dB for the...
Two 24 GHz 130-nm CMOS receiver front-ends using System-on-Package (SOP) technology are demonstrated. CMOS dies featuring a two-stage LNA, a passive mixer, and output buffers are flip-chipped to a glass carrier featuring low loss baluns. One design uses glass baluns for both RF and LO input, whereas the other uses an active RF balun on-chip. The fully differential front-end measures; 20.7dB conversion...
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