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1.南京国博电子股份有限公司,江苏南京 211111
2.东南大学毫米波国家重点实验室,江苏南京 210096
Received:10 January 2022,
Revised:2022-06-26,
Published:25 August 2023
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杨驾鹏,周骏,曹志翔等.基于硅基三维集成技术的W频段有源相控阵微系统[J].电子学报,2023,51(08):2160-2167.
YANG Jia-peng,ZHOU Jun,CAO Zhi-xiang,et al.W Band Active Phased Array Micro System Based on Silicon Three Dimensional Integration Technique[J].ACTA ELECTRONICA SINICA,2023,51(08):2160-2167.
杨驾鹏,周骏,曹志翔等.基于硅基三维集成技术的W频段有源相控阵微系统[J].电子学报,2023,51(08):2160-2167. DOI: 10.12263/DZXB.20220054.
YANG Jia-peng,ZHOU Jun,CAO Zhi-xiang,et al.W Band Active Phased Array Micro System Based on Silicon Three Dimensional Integration Technique[J].ACTA ELECTRONICA SINICA,2023,51(08):2160-2167. DOI: 10.12263/DZXB.20220054.
本文基于硅基三维集成技术,提出了一种高集成度低剖面的W频段有源相控阵微系统.将阵列划分为若干个2×4单元的W频段相控阵子阵微系统.每个子阵微系统采用了三维布局封装结构,内部一体化集成了天线、有源芯片和无源网络等功能单元.以子阵微系统为基本单元,利用阵列扩展技术将8个子阵微系统拼接成为8×8单元的W频段有源相控阵阵列.设计了高耦合度低损耗的CPW共面波导(co-planar waveguide,CPW)传输线、基于TSV硅通孔(through silicon via, TSV)的准同轴垂直传输结构、基于微凸点的hot-via芯片接口等高频传输结构,解决了天线阵列到有源芯片的W频段信号层间传输难题.样机加工测试结果表明,92~96 GHz频率范围内,该相控阵阵列可实现二维波束快速扫描功能,扫描角达到
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6.26533365
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,重量仅为85 g,剖面厚度仅为7.4 mm.
Based on silicon three dimensional integration technique
a highly integrated W band active phased array micro system is proposed. The W band active phased array is divided into several 2×4 cell sub-array micro systems. The design of the sub-array micro system adopts three dimensional layout
in which antenna array
active chips and passive circuits are integrated in a single package. Then
eight sub-arrays are connected to fabricate a 8×8 W band active phased array using subarray microsystems as the basic unit. Several high performance W band transition structure are proposed
such as low cost co-planar waveguide (CPW) transmission line
quasi coaxial vertical transition using through silicon via (TSV) and hot-via connect using micro bump. These transition structure are used to solve the W band signal transition problem from active chips to antenna array. The measurement results show that this array can realize two-dimensional beam scanning across the frequency range of 92 to 96 GHz. The scanning angle reached ±40 degree. The weight is 85g and the section thickness is 7.4 mm.
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