A 125ghz Transceiver In 65nm Cmos Assembled With Fr4 Pcb Antenna For Contactless Wave-Connectors
2017 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM (IMS)(2017)
摘要
This paper presents a millimeter-wave (125GHz) based ultra-short distance (similar to 2mm) contactless wave-connector (CWC) for consumer interconnect applications. Conventional high-speed connectors in interconnect standard such as USB, HDMI, DP, and Thunderbolt are not only expensive, but also suffer poor performance in both mechanical reliability and signal integrity often becoming a bottleneck in high-performance computing systems. The proposed CWC exploits a 125GHz CMOS transmitter (TX), receiver (RX), and compact FR4 PCB antenna to realize high-speed (>10Gb/s), low-cost, and energy-efficient connector solutions. An on-off keying (OOK) modulation is utilized for a non-coherent transceiver (TRX) architecture. In addition, antennas are designed on an FR4HR substrate for a compatibility with an existing infrastructure. The CMOS TX and RX is assembled with the antenna through a flip-chip process. The demonstrated CWC draws a total of 60mW of power under 1.1V supply while transferring 14Gb/s of data rate, achieving 4.28pJ/bit energy efficiency.
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关键词
125GHz Transceiver, FR4 PCB Antenna, Flip-Chip, OOK modulation, Contactless Wave-Connector (CWC)
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