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I-V characterizer

Discussion in 'General Electronics Discussion' started by elektrovoz, Aug 17, 2017.

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  1. elektrovoz

    elektrovoz

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    0
    Aug 17, 2017
    Now I developing hardware for characterizing 2port devices, primary special kind of diodes. It needs to be accurate enough and works at high speed, more than 10Msamples/s. Please, review my schematic :)
     

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  2. kellys_eye

    kellys_eye

    4,714
    1,310
    Jun 25, 2010
    I don't know what you are asking?

    Please explain.
     
  3. elektrovoz

    elektrovoz

    2
    0
    Aug 17, 2017
    Diode is a special kind of non-silicon structure, which needs electrical forming to store the charge inside structure. Forming is done by applying series of impulses by DAC. After forming I-V characteristic must be measured. It is done by forming ramp voltage and two channel ADC - high side for V, using Kelvin probe, low side in I-V converter.
     
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