5.8 GHz RF Transceiver LSI Including On-Chip Matching Circuits
5.8 GHz RF Transceiver LSI Including On-Chip Matching Circuits
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包含片上匹配电路的 5.8 GHz RF 收发器 LSI
DOI：
10.1109/bipol.2006.311172
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发表时间：
2006
期刊：
影响因子：
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通讯作者：
N. Itoh
中科院分区：
文献类型：
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作者：
M. Nagata;H. Masuoka;S. Fukase;M. Kikuta;M. Morita;N. Itoh
研制了一种用于电子收费系统的5.8GHz频段收发器大规模集成电路。该收发器由LNA、下变频器、ASK检波器、ASK调制器、压控振荡器和AS小数N分频锁相环组成。由于还集成了LNA输入端和ASK调制器输出端的内部RF匹配电路，因此几乎不需要外部匹配器件，VSWR<1.25。采用SBM作为ASK调制器，VGA作为本振幅度控制，避免了局部泄漏，保证了调制线性度，调制指数达到95%以上。VCO采用无限形状谐振线圈来减小磁耦合。制作工艺采用SiGe BiCMOS工艺，截止频率为47 GHz
A fully integrated 5.8 GHz band transceiver LSI for electronic toll collection systems has been developed. The transceiver consists of LNA, down-converter, ASK detector, ASK modulator, voltage controlled oscillator, and AS-fractional-N PLL. Since internal RF matching circuitry for input terminal of LNA and output terminal of ASK modulator were also integrated, almost no external matching devices are necessary with VSWR<1.25. SBM for ASK modulator and VGA for LO amplitude control were adopted to avoid local leakage and to keep modulation linearity, result, obtained modulation index were over 95%. The infin-shape resonant coil was implemented for VCO to diminish magnetic coupling. Manufacturing process was SiGe BiCMOS process with 47 GHz cut-off frequency