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采用交叉耦合结构,利用TSMC 90nm 1P9M1.2V RFCMOS工艺设计的全集成LC压控振荡器(VCO),符合IEEE802.11b/g WLAN通信标准。调谐电压为0~1.2V,具有150MHz的调谐范围(2.44GHz~2.59GHz)。利用Mentor Graphics Eldo对该电路进行仿真,仿真结果显示,在2.5GHz工作频率处,相位噪声约为-122.3dBc/Hz@1MHz,功耗仅为1.9mW。
A fully integrated LC voltage controlled oscillator (VCO) designed with a TSMC 90nm 1P9M1.2V RFCMOS process using a cross-coupled structure complies with the IEEE802.11b / g WLAN communication standard. Tuning voltage is 0 ~ 1.2V, with a tuning range of 150MHz (2.44GHz ~ 2.59GHz). The circuit was simulated using Mentor Graphics Eldo. The simulation results show that the phase noise is about -122.3dBc / Hz@1MHz and the power consumption is only 1.9mW at 2.5GHz.