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Mengdi Zhang, Ye Zhao, Zhengsheng Han and Fazhan Zhao
This paper presents a 19 ps precision and 170 M samples/s time-to-digital converter (TDC) in FPGA. Through the direct count method and tapped delay line method, the coarse count and fine count can be extracted, respectively. The direct count is realized ...
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Li Wang, Wenli Chen, Kai Chen, Renjun He and Wenjian Zhou
In the high-resolution analog circuit, the performance of chips is an important part. The performance of the chips needs to be determined by testing. According to the test requirements, stimulus signal with better quality and performance is necessary. Th...
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Majid Zarghami, Leonardo Gasparini, Matteo Perenzoni and Lucio Pancheri
This paper investigates the use of image sensors based on complementary metal?oxide?semiconductor (CMOS) single-photon avalanche diodes (SPADs) in high dynamic range (HDR) imaging by combining photon counts and timestamps. The proposed method is validate...
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Nathan Barnwell, Tyler Ritz, Samantha Parry, Myles Clark, Paul Serra and John W. Conklin
Optical communication is becoming more prevalent in orbit due to the need for increased data throughput. Nanosatellites, which are satellites that typically weigh less than 10 kg, are also becoming more common due to lower launch costs that enable the ra...
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