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| ADI脉冲氧化测试仪解决方案 | |||||
作者：ADI 文章来源：本站 点击数： 更新时间：2007-3-19  |
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 border=0 align=center>Application Notes | Technical Articles | Ask the Experts Pulse oximetry measurements require the use of one wavelength each side of the 805nm isobestic point on the absorption spectra of adult haemoglobin. The DC and background noise is subtracted out, and the pulsed signals are then scaled. Two common methods to determine SPO2 are calculated and lookup tables. Extensive over-sampling, filtering and signal processing are needed to eliminate noise such as movement artifacts from small signals. Application Notes AN-724: ADuC702x Serial Download Protocol (pdf, 154,552 bytes) AN-645: Interfacing an HD44780 Character LCD to a MicroConverter ® (uC014) (pdf, 100,250 bytes) ... There is a vast array of LCD displays available.Fortunately,a majority of them comply with the HD44780U standard.This standard refers to the LCD con AN-645 Files (uC014) (zip, 354,590 bytes) troller chip that accepts data from the MicroConverter and communicates with the LCD screen. AN-313: Getting the Most from High Resolution D/A Converters (pdf, 724,091 bytes) AN-241: Evaluation Board for the AD7710 High Resolution (24-Bits) Sigma-Delta A/D Converter (pdf, 493,088 bytes) 1.AMP i.Precision Single-Supply Op Amp AD8009 AD8655 ii.Instrumentation Amplifiers AD522 AD8202 AMP03 iii.Current Sense and Difference Amplifiers AD22057 ADM4073 AMP03 iv.Current Sense and Difference Amplifiers AD22057 ADM4073 AMP03 2.Processor i.MicroConverter®Products:PrecisionAnalog Microcontrollers ADUC7019  border=0 align=center> border=0 align=center> border=0 align=center> border=0 align=center>
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