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neural signal

pratibhads2805

hi

The input to my circuit is neural signal, i want to ask that how to get neural signal input in cadence.

  • Even if it's a neural signal, don't you have voltage-time file for the signal ? If you have voltage-time points of signal, you can use analogLib>vsource>pwl and define your signal using file or enter time-signal points.Hope it helps.
  • thanks for you reply , can you please tell me where could i get voltage-time profile of neural signal ??
  • Google? It's not something we provide as part of the software (it's a rather specific type of data, and presumably a good question for your supervisor - I'm guessing you're from an academic institution).
  • Or you can use MATLAB to create arbitary points based on neural signal average amplitudes.

  • hii

    what would i connect to the floating inputs if  i don't have library for unconnected option?

  • Unknown said:
    what would i connect to the floating inputs if  i don't have library for unconnected option?

    I have no idea what this means. What is "library for unconnected option"? If an input is floating, nothing is connected - if something was connected, it wouldn't be floating - so it just doesn't make sense.

    You need to ask clear questions to get clear answers.

    Kindest Regards,

    Andrew.

  • Actually, i was trying to ask about the techniques required to terminate unused gates to ensure spurious switch does not introduce noise

  • hii

    anyone can tell me that how to plot offset voltage vs common mode curve.

    here is a paper in which it is plotted - 

    M.Hassanpourghadi,etal.,Alow-powerlow-offsetdynamiccomparatorforanalogtodigitalconverters,
    Microelectron.J(2013), http://dx.doi.org/10.1016/j.mejo.2013.11.012i

  • hello sir,

     I've generated the voltage-time points of the neural signal using MATLAB. I've the following .txt file. Please tell is it the correct format or not?? 

    I am copying the data from notepad

    4.8000000e+001 6.2500000e-003
    3.2000000e+001 1.2500000e-002
    3.2000000e+001 1.8750000e-002
    3.2000000e+001 2.5000000e-002
    3.2000000e+001 3.1250000e-002
    3.2000000e+001 3.7500000e-002
    3.2000000e+001 4.3750000e-002
    3.2000000e+001 5.0000000e-002
    8.8000000e+001 5.6250000e-002
    3.2000000e+001 6.2500000e-002
    8.8000000e+001 6.8750000e-002
    3.2000000e+001 7.5000000e-002
    8.8000000e+001 8.1250000e-002
    3.2000000e+001 8.7500000e-002
    8.8000000e+001 9.3750000e-002
    3.2000000e+001 1.0000000e-001
    3.2000000e+001 1.0625000e-001
    3.2000000e+001 1.1250000e-001
    3.2000000e+001 1.1875000e-001
    3.2000000e+001 1.2500000e-001
    3.2000000e+001 1.3125000e-001
    3.2000000e+001 1.3750000e-001
    3.2000000e+001 1.4375000e-001
    3.2000000e+001 1.5000000e-001
    3.2000000e+001 1.5625000e-001
    3.2000000e+001 1.6250000e-001
    3.2000000e+001 1.6875000e-001
    3.2000000e+001 1.7500000e-001
    3.2000000e+001 1.8125000e-001
    3.2000000e+001 1.8750000e-001
    3.2000000e+001 1.9375000e-001
    3.2000000e+001 2.0000000e-001
    3.2000000e+001 2.0625000e-001

    thank u sir in advance.

  • If you want to use this as a PWL (piece wise linear) vsource, then your two columns are the wrong way around. The time should be the first column and the voltage the second column.

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