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參數(shù)資料
| 型號： | UCB1200 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Advanced modem/audio analog front-end |
| 中文描述： | 先進(jìn)的調(diào)制解調(diào)器/音頻模擬前端 |
| 文件頁數(shù)： | 15/54頁 |
| 文件大小： | 1052K |
| 代理商： | UCB1200 |
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1998 Jul 22
15
Philips Semiconductors
Product specification
Advanced modem/audio analog front-end
UCB1200
PLATE RESISTANCE MEASUREMENT
The plate resistance of a touch screen varies typically a lot due to processing spread. Knowing the actual plate resistance
makes it possible to compensate for the plate resistance effects in pressure resistance measurements. The plate
resistance decreases when two or more spots on the touch screen are pressed. In that case a part of one plate, e.g. the
X plate is shorted by the other plate, which decreases the actual plate resistance
The plate resistance measurement is executed in the same way as the pressure resistance measurement. In this case
only one of the two plates is biased and the other plate is kept floating. The current through the connected plate is again
a direct indication of the connected resistance.
Fig.10 Touch screen setup for plate resistance.
Vtscbias
tspx
tsmx
tspy
tsmy
iplate
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UCB1200BE | Advanced modem/audio analog front-end |
| UCB1300 | Advanced modem/audio analog front-end |
| UCB1300BE | Advanced modem/audio analog front-end |
| UCB1400BE | Audio codec with touch screen controller and power management monitor |
| UCB1400 | Audio codec with touch screen controller and power management monitor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UCB1200B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:UCB1200B |
| UCB1200BE | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Advanced modem/audio analog front-end |
| UCB1300 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Advanced modem/audio analog front-end |
| UCB1300BE | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Advanced modem/audio analog front-end |
| UCB1400 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Audio codec with touch screen controller and power management monitor |
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