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首页> 外文期刊>International Journal of Microwave and Wireless Technologies >A 219-266 GHz LO-tunable direct-conversion IQ receiver module in a SiGe HBT technology
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A 219-266 GHz LO-tunable direct-conversion IQ receiver module in a SiGe HBT technology

机译：采用SiGe HBT技术的219-266 GHz LO可调直接变频IQ接收器模块

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This paper presents a fully-integrated direct-conversion fundamentally-operated mixer-first quadrature receiver module with a tunable LO in the 219-266 GHz band. It has been implemented in a 0.13-mu m SiGe heterojunction bipolar transistor technology. It includes an on-chip LO path driven externally from the printed circuit board (PCB) connector level at 13.6-16.7 GHz. A hybrid coupler generates the quadrature LO signal, which drives a pair of double-balanced fundamentally-operated down-conversion mixers, whose RF ports are connected to a wideband lens-integrated on-chip ring antenna. The chip-on-lens assembly is placed in the recess of a high-speed PCB and wire-bonded. To compensate the inductive behavior of the wire-bond interconnection between the chip and the PCB at the high-speed IF outputs, an on-board 8-section step-impedance low-pass filter has been implemented. The module shows a 47 GHz 3-dB radio frequency/local oscillator operation bandwidth (BW), a peak conversion gain of 7.8 dB, a single-side-band noise figure of 11.3 dB, and a 3-dB IF BW of 13 GHz. The in-phase and quadrature amplitude imbalance stays below 1.58 dB for the 210-280 GHz band. The down-conversion and the baseband stages consume together 75.5 mW, while the LO path 378 mW. The maximum data-rate achieved with this receiver in combination with the transmitter presented in [1-3] is 60 Gbps for quadrature phase shift keying modulation.
机译：本文提出了一种完全集成的直接转换本底工作的混频器-第一正交接收器模块，该模块在219-266 GHz频段具有可调LO。它已经以0.13微米的SiGe异质结双极晶体管技术实现。它包括一个从13.6-16.7 GHz的印刷电路板（PCB）连接器级别外部驱动的片上LO路径。混合耦合器产生正交本振信号，该正交本振信号驱动一对双平衡的基本工作的下变频混频器，其射频端口连接至集成宽带透镜的片上环形天线。镜头上的芯片组件放置在高速PCB的凹槽中并进行引线键合。为了补偿高速中频输出处芯片和PCB之间的引线键合互连的电感特性，已实现了板上8段步进阻抗低通滤波器。该模块显示47 GHz的3 dB射频/本地振荡器工作带宽（BW），峰转换增益为7.8 dB，单边带噪声系数为11.3 dB，3 dB的IF BW为13 GHz 。对于210-280 GHz频带，同相和正交幅度不平衡保持在1.58 dB以下。下变频和基带级一起消耗75.5 mW，而LO路径为378 mW。对于正交相移键控调制，此接收器与[1-3]中介绍的发送器结合使用可获得的最大数据速率为60 Gbps。

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