用于卫星通信相控阵的紧凑型ku波段GaAs多功能芯片

2015 European Radar Conference (EuRAD) Pub Date : 2015-12-03 DOI:10.1109/EURAD.2015.7346334

Donghwnag Shin, Jin‐Cheol Jeong, Seong-Mo Moon, I. Yom, Dong-Wook Kim

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引用次数: 8

摘要

本文提出了一种采用商用GaAs pHEMT技术的小型ku波段GaAs多功能芯片，用于卫星通信应用。该多功能芯片由一个4位移相器和一个4位衰减器与一个串行到并行转换器(SPC)组成，但尺寸小于7.6 mm2。在12-18 GHz频率范围内，衰减误差的典型值为0.5 dB，相位误差的典型值为3.5°。集成spc的多功能芯片简化了控制接口，降低了模块组装成本。

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Compact Ku-band GaAs multifunction chip for SATCOM phased arrays

This paper presents a compact Ku-band GaAs multifunction chip using commercial GaAs pHEMT technologies for SATCOM applications. The multifunction chip consists of a 4-bit phase shifter and a 4-bit attenuator with a serial-to-parallel converter (SPC) but the size is less than 7.6 mm2. Typical value of RMS attenuation error and RMS phase error are 0.5 dB and 3.5°, respectively in the frequency range of 12-18 GHz. The SPC-integrated multifunction chip leads to a simplification in the control interface and a reduction in the cost of module assembly.

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2015 European Radar Conference (EuRAD)

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