[請益] 關於Touch Sensor的電路分析設計:－2016徵求年菜推薦網路訂購最紅的商家.年菜訂購?台北年菜外送餐廳推薦(年菜)?年菜.今年不想做年菜推薦,網路宅配哪一家好?

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[請益] 關於Touch Sensor的電路分析設計

Nov 7th 2013, 11:07, by apap

作者apap (Ap)

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標題[請益] 關於Touch Sensor的電路分析設計

時間Thu Nov 7 11:07:18 2013

As title, 我本身是光電背景的但是比較偏光學設計部分最近有需要涉獵到touch sensor這方面比較偏是手機應用方面的在光學和基本原理部份我可以自己理解沒問題但是有關於關於電路分析甚或是設計部分我就完全苦手了才上來詢問一下版上高手關於關於Touch Sensor的電路分析設計 (op, amp, analog/mixed-signal, frequency domain circuits, data converters etc) 怎樣入門了解比較快或是有書可以推薦呢我不是要做RD那樣深入而是比較像FAE窗口所以想對於各個function都要有一定的了解這樣謝謝 :) -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 115.82.210.90

推 xiemark:touch就是測電容，電錶測電容就是發一個交流訊號測交流阻 11/07 11:19

→ xiemark:抗。可以使用heterodyne的方式解出來，再送到Delta-Sigma 11/07 11:22

→ proach:請問手機上什麼touch sensor會用到光學呢？ 11/07 11:23

→ xiemark:ADC中，把電容變化解出來，用DSP算法減掉離散電容等等。 11/07 11:23

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