An 87GHz QPSK Transceiver with Costas-Loop Carrier Recovery in 65nm CMOS

📋 论文概要

该论文介绍了一款完全集成的87GHz QPSK收发器，采用65nm CMOS工艺，通过Costas环载波恢复技术实现了无基带处理的载波和数据恢复，显著降低了功耗和面积，解决了传统SiGe或III-V族方案功耗高、集成难的问题。

💡 主要创新点

• 提出了一种无基带处理的Costas环载波恢复架构，直接实现QPSK信号的载波同步和数据恢复，简化了系统设计。
• 在65nm CMOS工艺上实现了87GHz的全集成收发器，包括射频前端和载波恢复电路，达到了低功耗和小面积的目标。

🏷 关键词

📄 原文摘要

Modern high-speed wireless data links such as 60GHz RF and point-to-point communications activate research on Gb/s transceivers for V-band (50 to 75GHz) and W-band (75 to 110GHz). Conventional approaches in SiGe or III-V compounds simply consume too much power and occupy too large area, in addition to the integration difficulty. In CMOS realizations, baseband processors and high-speed digitizers also increase design complexity and power consumption. This paper introduces a fully integrated CMOS QPSK transceiver with baseband-less carrier- and data-recovery circuitry, significantly reducing power consumption while achieving up to 3.5Gb/s data rate. The QPSK transmitter is shown in Fig. 9.5.1. Providing a prototype for the 81to-86GHz band and 94GHz band, we set up the carrier at 87GHz. An integer-N frequency synthesizer provides 77.3GHz LO and 9.7GHz IF signals, forming an 8/9-1/9 up-convert architecture. It contains a VCO running at 77.3GHz, ÷8 and

👥 作者与机构

Shih-Jou Huang, Yu-Ching Yeh, Huaide Wang, Pang-Ning Chen, Jri Lee

National Taiwan University, Taipei, Taiwan