A 0.27mm2 13.5dBm 2.4GHz All-Digital Polar Transmitter Using 34%-Efficiency Class-D DPA in 40nm CMOS

📋 论文概要

本文提出一款采用40nm CMOS工艺的全数字极化发射机，通过高效Class-D DPA实现34%的效率，在2.4GHz频段输出13.5dBm功率，芯片面积仅0.27mm2。该设计解决了传统模拟发射机面积大、效率低的问题，实现了低成本、低功耗和可重构性。

💡 主要创新点

• 采用全数字极化架构，结合数字计算优势，降低了发射机面积和功耗，并提高了可重构性。
• 设计了一种高效率的Class-D数字功率放大器（DPA），在2.4GHz下实现34%的漏极效率，同时支持13.5dBm输出功率。

🏷 关键词

📄 原文摘要

Lanchou Cho1, Meng-Hsiung Hung1, Xin-Yu Shih1, Che-Min Lin1, Sheng-Hong Yan1, Yuan-Hung Chung1, Paul C.P. Liang1, Guang-Kaai Dehng1, Hung-Sung Li1, George Chien2, Robert Bogdan Staszewski3 MediaTek, Hsinchu, Taiwan, 2MediaTek, San Jose, CA, Delft University of Technology, Delft, The Netherlands 1 3 An all-digital polar transmit (TX) architecture exhibits advantages of low cost, low power, as well as reconfigurability with full usage of digital computational power [1,2,6]. The design challange is the need for continuous innovation to further enhance power efficiency and minimize silicon area while achieving the best-in-class RF performance. The design must also meet the increaing demand of concurrent operation for multi-radio SoC integration [3,4]. The presented Bluetooth TX demonstrates advancements in this direction with over 30% power and 66% area reduction. Figure 19.8.1 shows the diagram of the TX, consisting of baseband modulator,

👥 作者与机构

Jie-Wei Lai1, Chi-Hsueh Wang1, Kaipon Kao1, Anson Lin1, Yi-Hsien Cho1,