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Recent content by pavel_adameyko

  1. P

    Need model extractor for BGA package

    Thanks for your reply:) To simulate influence of BGA package on chip circuitry parameters i need some kind model of it. For example, it's influence on LNA. What i should do?
  2. P

    Need model extractor for BGA package

    Hello, friends) Which tool i can use to extract model for BGA package? I suppose any 3D EM solver would work. For example, Sonnet. Am i wrong? Have anybody already modelled BGA package? Can you share your experience... Thanks for advance:)
  3. P

    Need model extractor for BGA package

    Why i cann't do EM simulation of BGA package, extract s-parameters and create broadband spice model like that Sonnet creates.
  4. P

    Need model extractor for BGA package

    Hello, friends) Which tool i can use to extract spice model for BGA package? I suppose any 3D EM solver would work. For example, Sonnet. Am i wrong? Have anybody already modelled BGA package? Can you share your experience... Thanks for advance:)
  5. P

    Lna rf ic cadence pss

    Hello) Either you simulation setup is wrong or there is something strange with your LNA. What values of P1dB and iip3 have you measured and how have you done this?
  6. P

    Transistor for RF power amplifier with high linearity (OIP3 and OIP2)

    ECG008B from TriQuint Semiconductor, which you recommend, requires RF choke for biasing so how can i get, for example, 3-300 MHz bandwidth with inductive RF choke?
  7. P

    Transistor for RF power amplifier with high linearity (OIP3 and OIP2)

    Actually what i want to construct is smth like medium power amplifier with output power 10-15 dBm. Bandwidth is a few MHz - 300 MHz.
  8. P

    Transistor for RF power amplifier with high linearity (OIP3 and OIP2)

    Thanks for your sharing) But i can't find any information about IIP2 of PHA-1+ in their datasheet (**broken link removed** Have you worked with it and measure this parameter?
  9. P

    Transistor for RF power amplifier with high linearity (OIP3 and OIP2)

    Hello, friends) I need to choose transistor for power amplifier for application below 200 MHz. The main parameters are OIP3>+35 dBm and OIP2>+40 dBm, VCC≦5 V. Any suggestions? Thanks for advance.
  10. P

    inherent commom mode feedback

    Hello) Why the dimensions of Mp4 are l=5.2u and W=3u ?? Shouldn't it length be 0.13 um like others?
  11. P

    plots of transconductance Vs Impedence in cadence Spectre

    Hello) Just plot both of them, then in waveform window go to Axis ->X axis ->Plot vs. ... and change independent variable to impedance plot. Suppose this is what you want.
  12. P

    Error simulating VCO in spectre

    Hello) Your problem is not in "blowup" parameter. Either it is 1GV, or 1MV - these quantities are too large for analog any electrical circuit:) Such messages usually appear when you have wrong setup and use ideal components - trying feed closed transistor with idc current source, for example. I'...
  13. P

    Monostable multivibrator simulation problem in Cadence Spectre

    Hello This is my circuit with slight modifications The input and output waveforms are the following: So everything works fine) Regards.
  14. P

    No coupling capacitor???

    Hello and what is your question?
  15. P

    [SOLVED] chain and scattering parameters

    Actually i'm not familiar with T-parameters very well. ABCD parameters of serial impedance A=1 B=Z C=0 and D=1 and if you use the following conversion rules the answer seems to be right S11=S22=Z/(2Z0+Z) S21=S12=2Z0/(2Z0+Z) Regards.
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