基于- 153 dBc/Hz噪声的14nm FinFET蜂窝多频带dtc数字极变送器

ESSCIRC 2019 - IEEE 45th European Solid State Circuits Conference (ESSCIRC) Pub Date : 2019-09-01 DOI:10.1109/ESSCIRC.2019.8902912

Y. Palaskas, P. Plechinger, A. Ravi, O. Degani, R. Banin, E. Gordon, Z. Boos, P. Madoglio, J. Angel, J. Tomasik, S. Hampel, P. Schubert, P. Preyler, T. Mayer, T. Bauernfeind

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引用次数: 2

摘要

提出了一种利用数字时间转换器(DTC)实现多频带和宽信道高效极化RFDAC的数字极变送器。发射机使用DTC工作固有的粗分割产生0.7 ~ 2.2 GHz的TX输出频率，DCO调谐范围仅为7.3 ~ 8.7 GHz(±8.7%)。该TX采用14nm FinFET制作，LTE5/LTE20在Band1中的噪声为- 153/ - 150 dBc/Hz, DTC功耗为27 mW。DTC使用数字自动放置和布线工具实现，需要非常有限的模拟布局资源。

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A Cellular Multiband DTC-Based Digital Polar Transmitter With −153 dBc/Hz Noise in 14-nm FinFET

A digital polar transmitter is presented that uses a digital-to-time-converter (DTC) to enable high-efficiency polar RFDAC for multiband and wide-channel applications. The transmitter uses coarse division inherent in DTC operation to generate TX output frequencies from 0.7 to 2.2 GHz with DCO tuning range of only 7.3–8.7 GHz (±8.7%). The TX was fabricated in 14-nm FinFET and achieves noise of −153/−150 dBc/Hz for LTE5/LTE20 in Band1 with DTC power dissipation of 27 mW. The DTC was implemented using digital Automatic-Place-and-Route tools, requiring very limited analog layout resources.

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ESSCIRC 2019 - IEEE 45th European Solid State Circuits Conference (ESSCIRC)

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