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Agata Romanova and Vaidotas Barzdenas
The work reports on the development of a detailed noise current model for a low-noise capacitive feedback transimpedance amplifier (TIA) in CMOS. The proposed TIA circuit implements the programmable-gain using an array of discretely controlled feedback c...
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Haihua Wu, Lei Xing, Yu Cai, Li Liu, Enyi He, Bo Li and Xiaoyong Tian
Graphene/polylactic acid; nano-Fe3O4/polylactic acid; and graphene/nano-Fe3O4/polylactic acid composite absorbers are independently produced by fused deposition modeling technology. The effects of the content of graphene and nano-Fe3O4 on absorbing prope...
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Jiayi Zhao, Jingjing Hu, Pengcheng Deng, Runze Yu, Ruoxian Liu, Mingshan Zhao and Yiying Gu
In this paper, a novel approach to achieving a wideband tunable dual-passband microwave photonic filter (MPF) is proposed based on optical-injected distributed feedback (DFB) semiconductor lasers and a dual-output Mach?Zehnder modulator (DOMZM). The fund...
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Ahmed Al-Saman, Marshed Mohamed, Michael Cheffena, Marwan H. Azmi and Tharek A. Rahman
This paper presents rain attenuation effects on the performance of the full-duplex link in a tropical region based on one-year measurement data at 73.5- and 83.5-GHz E-band for distances of 1.8 km (longer links) and 300 m (shorter links). The measured ra...
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Katia Nagamine Urata, Josaphat Tetuko Sri Sumantyo, Cahya E. Santosa and Tor Viscor
A compact synthetic aperture radar microsatellite antenna operating in the L-band is presented. To reduce size and weight of the small spaceborne SAR, we utilize a lightweight deployable parabolic mesh reflector and operate at low Earth orbital altitudes...
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