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Recent content by amr.maghraby

  1. A

    Noise calculation in static-dynamic circuit

    Do you mean the gain of the whole circuit? i can define the gain of the static part only right now
  2. A

    Noise calculation in static-dynamic circuit

    Is there a way to calculate the input referred noise of a circuit that contains static sub circuit followed by a dynamic sub circuit??
  3. A

    Dynamic Comparator noise using spectre transient noise analysis

    I dont know how to calculate the input referred noise of a dynamic comparator using transient noise analysis in cadence spectre
  4. A

    Dynamic Comparator Input Referred noise

    this is actually my problem i dont know how to calculate the noise , i have read in the literature that noise analysis in spectre isnt suitable for noise calculation in dynamic comparators and that one way is to calculate the noise from transient noise analysis but i dont know how this could be...
  5. A

    Dynamic Comparator Input Referred noise

    Iam trying to calculate the input referred noise of a strongarm dynamic comparator using cadence spectre simulator the problem is that it calculates the spectral density of the noise and i want to calculate it as an rms voltage value
  6. A

    Problem in using Spectrum Function in Cadence IC6.13

    That is all the arguments in the spectrum function
  7. A

    Problem in using Spectrum Function in Cadence IC6.13

    the netlist the spectrum function settings are no. of samples = 1048576 no. of noise bins = 0 start frequency = 0 end frequency = ـــــ default value window type = blackman ADC span = 0 measure type = snhr ADC code DAC code
  8. A

    Problem in using Spectrum Function in Cadence IC6.13

    the netlist The ocean script
  9. A

    Problem in using Spectrum Function in Cadence IC6.13

    no BigBoss the ADC is also ideal with veriloga it should give me the ideal answer and it did for the first 8-bits , but in the 9th bit through the 12th bit it gives me the same answer 49.4dB
  10. A

    Problem in using Spectrum Function in Cadence IC6.13

    i am using cadence IC 6.13 virtuoso to design an ADC i am trying to measure the SNR of that ADC , so i build an ideal DAC using Veriloga and take the output of the ADC to the input of the DAC and then i took the output signal from the DAC and export it to the calculator of the Cadence and then...
  11. A

    measuring the parasitic capacitance at a certain node in cadence

    can you please tell me how to find the parasitic capacitance in cadence IC 6.1.3 - - - Updated - - - i have connected a circuit in cadence and i want to know the value of the parasitic capacitance at this node my question is wither there is an analysis that could give me the value of the...
  12. A

    measuring the parasitic capacitance at a certain node in cadence

    is it possible to measure the parasitic capacitance at a certain node in a schematic in cadence??
  13. A

    tsmc13rf pdk file in cadence virtuoso

    i am using the tsmc13rf pdk in cadence virtuoso there is a lot of nmos types that i dont know what is the difference between them nmos1v nmos2v nmos3v nmos1vcap nmos1vhvt nmos1vlvt nmos1vn would anyone help me to identify the difference between this instances?
  14. A

    Calculating SNR from for an ADC

    thanks KlausST but i want to calculate it from the data collected from the FFT i will attach the signal it is a sine wave output for 4 bit Ideal ADC Code:
  15. A

    Calculating SNR from for an ADC

    i am trying to calculate the SNR for the Ideal ADC model in cadence ahdllib , i know that it should be equal to or around 6.02N+1.76 i have implemeted a code to calculate the FFT of the output of ADC using matlab and i will attach the code my problem is that i dont know how to calculate the...
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