V. Krishnamurthy, K. Hershberger, B. Eplett, J. Dekosky, H. Zhao, D. Poulin, R. Rood, E. Prince
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引用次数: 14
摘要
SiGe 4G PA的开发是实现集成4G前端SiGe ic的关键因素。在本文中,我们报告了一种满足WIMAX (802.16e)和LTE规范的宽带SiGe 4G PA IC。对于802.16e, SiGe PA在2.3-2.7 GHz工作时,在Vcc=3.3V下产生25 dBm线性功率,≪4% EVM和18%效率,同时满足频谱掩模,并显示- 43 dBm/MHz次谐波电平。对于TD-LTE, Band 40 (2.3-2.4 GHz)和FDD-LTE, Band 7 (2500 - 2.570 GHz),该SiGe PA产生28.5 dBm线性功率,同时满足3GPP频谱掩模和QAM 16的EVM规范。
SiGe power amplifier ICs for 4G (WIMAX and LTE) mobile and nomadic applications
SiGe 4G PA development is a key element in enabling integrated 4G front end SiGe ICs. In this paper, we report on a wideband SiGe 4G PA IC which meets WIMAX (802.16e) and LTE specifications. For 802.16e, the SiGe PA produces 25 dBm linear power at Vcc=3.3V for 2.3–2.7 GHz operation with ≪4% EVM and 18% efficiency while meeting spectral mask and exhibiting −43 dBm/MHz second harmonic levels. For TD-LTE, Band 40 (2.3–2.4 GHz) and FDD-LTE, Band 7 (2.500–2.570 GHz), this SiGe PA produces 28.5 dBm linear power while meeting 3GPP spectral mask and EVM specification for QAM 16.