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Recently, a notable breakthrough has been achieved by the research team at the University of Science and Technology of China's School of Integrated Circuits, led by Professor Hu Yizhe, in the realm of high-speed VCO-based ADC chip technology. The team has creatively introduced a novel analog-to-digital converter architecture, termed the R-RVCO-based ADC, which leverages a resettable ring voltage-controlled oscillator. This innovative design enables a remarkable sampling rate of up to 2.5 GS/s, effectively overcoming significant hurdles faced by similar architectures in high-speed applications. The team's research findings have been featured in a prestigious international journal specializing in integrated circuits, under the title "A 0.5–2.5-GS/s Resettable Ring-VCO-Based ADC Eliminating Quantization-Noise Shaping."
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