6.6 240hz报告速率互容触摸传感模拟前端，支持多个有源/无源触控笔，直径0.5mm信噪比41dB/32dB

2015 IEEE International Solid-State Circuits Conference - (ISSCC) Digest of Technical Papers Pub Date : 2015-03-19 DOI:10.1109/ISSCC.2015.7062955

M. Hamaguchi, Michiaki Takeda, M. Miyamoto

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引用次数: 10

摘要

利用现有触摸控制器[1]，开发并验证了一种互电容触摸传感架构和一种系统，该系统能够同时使用具有不同属性(如颜色、厚度、形状等)的多个有源触控笔。该架构的扩展，以处理无线有源触控笔也被开发和验证与模拟前端(AFE) IC。

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6.6 A 240Hz-reporting-rate mutual-capacitance touch-sensing analog front-end enabling multiple active/passive styluses with 41dB/32dB SNR for 0.5mm diameter

A mutual-capacitance touch-sensing architecture and a system that enables concurrent usage of multiple active styluses having different properties such as color, thickness, shape, etc., are developed and verified with use of an existing touch controller [1]. An extension of the architecture to handle wireless active styluses is also developed and verified with an analog front-end (AFE) IC.

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2015 IEEE International Solid-State Circuits Conference - (ISSCC) Digest of Technical Papers

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