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该论文提出了一种用于LTE发射机的Class-A/B功率混合器,旨在降低功耗和面积的同时保持性能。通过创新的电路设计,解决了大信号发射时功耗过高的问题,适用于现代LTE通信系统。
Daniele Ottini1, Yong He4, Alberto Pirola1, Enrico Sacchi1, Gregory Uehara5, Chao Yang5,6, Rinaldo Castello2 Marvell, Pavia, Italy, University of Pavia, Pavia, Italy, 3 *Now at the University of Toronto, Toronto, ON, Canada, 4 Marvell, Aliso Viejo, CA, 5 Marvell, Austin, TX, 6 *Now at Silicon Laboratories, Austin, TX 1 2 For an LTE transceiver it is quite challenging to reduce power and area while preserving performance. For large emitted signals the TX dominates power consumption but in the past this situation was sufficiently infrequent not to affect energy consumption. In recent times the statistical distribution of the TX power has shifted upward due to the use of data-intensive communications and the introduction of multi-gain power amplifiers. Therefore to extend battery life in fourth generation terminals, TX consumption at high power (>-10dBm) should be reduced. A second challenge of an FDD LTE TX is noise and distortion emission in the RX band since the TX-to-RX distance, rela
Paolo Rossi1, Nicola Codega2, Danilo Gerna1, Antonio Liscidini2,3,