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引用次数: 18
摘要
提出了一种集成了中功率无线局域网射频前端架构的片上变压器平衡器。讨论了用2口网络分析仪测量和表征3口平衡器的方法。在0.18 μ m CMOS中实现的接收路径包括一个开关、一个输入变压器和一个差分LNA，在2.45GHz时实现了17dB的S21、4.1dB的NF和0dBm的IIP3;带输出变压器的差分放大器的发射路径，Psat为21dBm, P1dB为17dBm，最大PAE为21%
Integrated transformer baluns for RF low noise and power amplifiers
On-chip transformer baluns integrated with an RF front-end architecture for medium power WLAN is presented. Method of measuring and characterizing a 3-port balun with a 2-port network analyzer is discussed. Implemented in 0.18mum CMOS, the receive path including a switch, an input transformer and a differential LNA, achieves S21 of 17dB, NF of 4.1dB, and IIP3 of 0dBm at 2.45GHz; the transmit path of a differential PA with an output transformer, achieves Psat of 21dBm, P1dB of 17dBm, and max PAE of 21%
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