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Showing 206 results View by: Thread Post Sort by
  • AFE4490SPO2EVM: Adding reverse voltage at Photodiode.

    Hyeon-Gu Kang
    Hyeon-Gu Kang
    TI Thinks Resolved
    Part Number: AFE4490SPO2EVM Other Parts Discussed in Thread: AFE4490 Tool/software: Hi, I am currently working on a design involving the AFE4490 and have encountered a few questions. We are planning to deviate from using the existing NellCor DS-100A…
    • over 1 year ago
    • Data converters
    • Data converters forum
  • AFE4490SPO2EVM: What is the SPI data transfer clock frequency?

    Aswath S
    Aswath S
    Part Number: AFE4490SPO2EVM Other Parts Discussed in Thread: AFE4490 , Tool/software: Hi, I am working on directly fetching ppg signals from AFE4490 using a dev board (without using AFE4490SPO2EVM) running on embedded linux via spi device "/dev/spidev0…
    • over 2 years ago
    • Data converters
    • Data converters forum
  • Answered
  • AFE4490SPO2EVM: Afe4490spo2evm use with external microcontroller

    Hamza Syed
    Hamza Syed
    Resolved
    Part Number: AFE4490SPO2EVM Other Parts Discussed in Thread: AFE4490 , Hi, I want to use the afe4490spo2evm with an external microcontroller. I have problem with receiving the SPI data. I first write to the Control0 register to enable SPI read and then…
    • Resolved
    • over 3 years ago
    • Data converters
    • Data converters forum
  • AFE4490SPO2EVM: ADC channels

    Zakie Assad
    Zakie Assad
    Part Number: AFE4490SPO2EVM Hi! I'm using the AFE44090SPO2EVM board and I need to understand to which ADC channel corresponds each of the signals listed below: LED 1 LED 1 ambient LED 2 LED 2 ambient LED 1 - LED 1 ambient LED 2 - LED 2 ambient…
    • over 2 years ago
    • Data converters
    • Data converters forum
  • AFE4490SPO2EVM: Notch Filter ADC

    Zakie Assad
    Zakie Assad
    TI Thinks Resolved
    Part Number: AFE4490SPO2EVM Hi, I want to change the filter type from 'None' to 'Notch' but I don't see that option in my GUI (I'm in the ADC Configuration tab). Can you help me? Thanks!
    • over 2 years ago
    • Data converters
    • Data converters forum
  • AFE4490SPO2EVM: AFE4490 SpO2 Conversion

    Jeremy Ha
    Jeremy Ha
    TI Thinks Resolved
    Part Number: AFE4490SPO2EVM To my understanding, calculating SpO2 is given by the general formula of % SpO2 = 110 – 25 × R, where R = (ACrms of Red / DC of Red) / (ACrms of IR / DC of IR). I have been trying to figure out the SpO2 but have been off with…
    • over 2 years ago
    • Data converters
    • Data converters forum
  • AFE4490SPO2EVM: Compatibility between AFE44090SPO2EVM

    Zakie Assad
    Zakie Assad
    TI Thinks Resolved
    Part Number: AFE4490SPO2EVM Hi! I'm trying to use the AFE4490SPO2EVM board. I tried it with my Windows 10 PC, but the connection was absolutely unstable, most of the time my PC doesn't even recognize the board, so it's impossible to work with it. However…
    • over 2 years ago
    • Data converters
    • Data converters forum
  • AFE4490SPO2EVM: Need help in capturing AFE44x0SPO2EVM's data using python

    Aswath S
    Aswath S
    TI Thinks Resolved
    Part Number: AFE4490SPO2EVM Hi team, I want to capture AFE44x0SPO2EVM's data in real time. Which library or custom commands needs to sent to EVM using python 3?
    • over 2 years ago
    • Data converters
    • Data converters forum
  • Answered
  • AFE4490SPO2EVM: SpO2 value doesn't change when SpO2 simulator is used.

    Aswath S
    Aswath S
    Resolved
    Part Number: AFE4490SPO2EVM Hi Team, I am using this simulator MS100 (rfmedical.com.br) to validate our algorithm written in python to find spo2 and HR. While the HR seems good, the spo2 value doesn't match the settings on the simulator. The simulator…
    • Resolved
    • over 2 years ago
    • Data converters
    • Data converters forum
  • AFE4490SPO2EVM: AFE4490SPO2EVM

    David Brock
    David Brock
    TI Thinks Resolved
    Part Number: AFE4490SPO2EVM I've noticed a new version of the GUI software (Revision E) for the AFE44x0SPO2EVM. Is this version ok with Windows 10 now? We had to do battle with unsigned drivers in the past with the older versions of the software.
    • over 4 years ago
    • Data converters
    • Data converters forum
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