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Optical angular position sensor chip with adaptive transimpedance amplifier array
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DOI：10.1016/j.sna.2026.117869.png)
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Abstract
En 中文
• The adaptive transimpedance amplifier array is used for absolute signal processing, achieving a full-channel duty cycle within the range of 48.5% - 52.1% under different conditions. • The adaptive reference level generation technology based on photodiodes has strong environmental adaptability. • The sensing chip features high integration and occupies a compact area of only 6 mm 6 mm after packaging. Its overall performance is excellent, providing a reliable solution for reflective optical angular position sensor systems.
Keywords:
adaptive transimpedance amplifier
photodiode reference level
optical angular position sensor
high integration
reflective sensing
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775
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