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Type: Posts; User: pancho_hideboo

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  1. Closed: Re: Import pspice .cir file into cadence

    Show me netlist for spectre.

    Importing as schematic is not needed at all.
    Use spice netlist directly, since spectre can read spice netlist.
  2. Closed: Re: Excessive space needed for Transient analysis Cadence

    There is no simulator whose name is ADEL.

    Understand things correctly, before posting.
    Can you understand netlist surely ?

    Show me simulator name and netlist.
  3. Closed: Re: Excessive space needed for Transient analysis Cadence

    What simulator do you use ?
    Show me netlist fragments regarding analysis and option settings.
  4. Closed: Re: Confused about linear vs non linear DE

    dy(x)/dx=f(x)

    dy1(x)/dx=f(x)
    dy2(x)/dx=f(x)

    d{a1*y1(x)+a2*y2(x)}=(a1+a2)*f(x)
  5. Closed: Re: Complex characteristic impedance and scattering matrix formulation

    See https://www.edaboard.com/showthread.php?347861#17

    There is no practical value to study S-Parameters for complex reference impedance.
  6. Closed: Re: Confused about linear vs non linear DE

    Sorry, I’m wrong.

    Assume two solutions, y1(x) and y2(x).

    y3(x)=a1*y1(x)+a2*y2(x) also satisfies y3(x)=dy3(x)/dx
  7. Closed: Re: Confused about linear vs non linear DE

    Non linear.
  8. Closed: Re: Complex characteristic impedance and scattering matrix formulation

    See attached figure in https://www.edaboard.com/showthread.php?378353-Reflection-Coefficient-when-conjugate-matching/page2#26

    Keysight ADSsim and Momentum : Power-Wave Formulation
    Keysight EMPro...
  9. Closed: Re: Complex characteristic impedance and scattering matrix formulation

    See https://www.edaboard.com/showthread.php?378353-Reflection-Coefficient-when-conjugate-matching/page2#26
  10. Closed: Re: Two tone nonlinear simulation in ADS

    See https://designers-guide.org/forum/YaBB.pl?num=1264078706/4#4
    http://www.designers-guide.org/Forum/YaBB.pl?num=1190971685/7#7
    Search my very old posts.
  11. Closed: Re: Two tone nonlinear simulation in ADS

    You have to apply modulated signal for evaluation of ACLR, use envelope analysis which is time variable HB.
  12. Closed: Re: Two tone nonlinear simulation in ADS

    Yes for standard case.
    If you have an interest about IM5 in addition to IM3, you have to reduce delta_f.
  13. Closed: Re: Two tone nonlinear simulation in ADS

    What analysis do you use ?
    HB or Tran ?

    f0=(3.4GHz+3.6GHz)/2=3.5GHz
    BW=0.2GHz, BW/3=0.0666GHz
    I choose delta_f=50MHz < BW/3

    (1) standard case
    f1=f0-delta_f/2
    f2=f0+delta_f/2
  14. Closed: Re: Two tone nonlinear simulation in ADS

    Show me lower and upper frequencies for 1dB bandwidth of your DUT.

    What analysis method do you use ?
  15. Closed: Re: Two tone nonlinear simulation in ADS

    Set all frequencies inside bandwidth of DUT.
    Where all frequencies mean f1, f2, 2*f1-f2, 2*f2-f1.
  16. Replies
    4
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    274

    Closed: Re: transfer function of sc amplifier

    Correct even as Z-transformation.
  17. [SOLVED]Closed: Re: Simple Model of Lithium-Ion Battery (PSpice)

    Netlists for Synosys HSPICE translated from LTspice.

    "MEC201.sub"
    .SUBCKT MEC201 PLUS MINUS c=0.001 soc=1 ns=1 tscale=60
    E_Erate N8 0 VOL='I(V_batt)/C'
    E_Ens N5 N1 N4 N1 'NS'
    C_CT_S N7 N6...
  18. Replies
    3
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    315

    Closed: Re: Bluetooth LO Selection

    Can you understand frequency hopping ?
  19. Closed: Re: Ocean script plot - changing axis labels ??

    Search my very old posts, more than 10 years ago.

    For example, see https://designers-guide.org/forum/YaBB.pl?num=1133858081/1#1

    You have to learn and understand Cadence Skill language.
    This is...
  20. Closed: Re: Ocean script plot - changing axis labels ??

    Simply arguments for them are completely wrong.

    Learn and understand usage of them by launching Skill Finder.
  21. Closed: Re: Ocean script plot - changing axis labels ??

    Use awvSetXAxisLabel() and awvSetYAxisLabel().
  22. Closed: Re: What range of frequency should I select for EM simulation to get S parameter?

    Wrong.

    For time resolution of 1nsec/10, system bandwidth is 10GHz.
    In convolution, FIR has to be evaluated for delta_t less than 1nsec/10.
    This means inverse FFT requires frequency range from...
  23. Closed: Re: What range of frequency should I select for EM simulation to get S parameter?

    From DC to more than 10GHz.

    See https://www.edaboard.com/showthread.php?377517#2
  24. Closed: Re: error running Ocean script in Cadence ?

    Anyway show me your scripts.
  25. Closed: Re: error running Ocean script in Cadence ?

    Anyway function you use can not give valid value.
    Error means nil for 1/tperiod in 2*3.14/tperiod.
    That’s all.

    Show me your scripts.
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