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Recent content by sxa_axs

  1. S

    Noise Figure Low noise amplifier Cascode structure

    Based on the Cascode structure ,Why the cascode stage has a relatively small impact on the overall noise figure ?
  2. S

    Low noise amplifier P1dB gain compression cadence

    I designed an lna,the input-referred 1dB compression point is shown below With the increase of input power, the LNA gain increased. I think the input-referred 1dB compression point is very strange I feel normal as follows,
  3. S

    ADS SNP P1dB S parameters

    Thank you for your reply. could you give me a tutorial or practical examples ?
  4. S

    ADS SNP P1dB S parameters

    In ADS, how to use the SNP simulation circuit performance ,such as P1dB.
  5. S

    ads gain compression harmonic balance

    How to solve? help me
  6. S

    cadence calibre layout ic error help

    hello , i got a error message when i use calibre to run PEX,the error message is : why? help me !
  7. S

    LVS error layout cadence rf ic

    Layout to do LVS verification, the results show the match, but the error display < malformed device rfnpsab > . why? help me!
  8. S

    CADENCE spectre monte carlo simulation

    Error found by spectre during monte carlo simulation why ?
  9. S

    Cadence pss pac iip3 ipn

    1) LNA do IIP3 simulation , how to set Input power Extrapolation Point (dBm)? 2) Input power Extrapolation Point Why have this? what does this mean?
  10. S

    RUN assura LVS binding file layout

    RUN assura LVS: add binding file LVS failed remove binding file LVS match binding file what is this ?
  11. S

    inductor tsmc0.18um cadence rf ic capacitor help

    Three types of inductor models,which are ind_std,ind_sym and ind_sym_ct in Tsmc 0.18um PDK . which one is best? how to choice? These types of capacitance which are crtmom_rf,crtmom_rf_mis,mimcap_rf and mimcap_rf_mis. how to choice?
  12. S

    TSMC 0.18um bsim3 spice UO's value

    I want to know the value of the channel mobility in the tsmc 0.18um technology
  13. S

    U0 spice MODEL BSIM3 mos ptm ic HELP!

    PTM BSIM3 spice : 180nm ,UO=3.5E-02, 130nm ,UO=1.34E-02, 90nm, UO=5.5E-03, 65nm UO=0.06, 45nm UO=0.032, 32nm UO=0.039. it's too small ,UO unit is? it's cm*2/vs ?
  14. S

    current transient siimulation layout LNA

    i create a layout of LNA by TSMC 0.18um technology,i want to know the width of Metal interconnect line. the density of metal1 to metal5 1mA/um ,metal 6 1.6mA/um. LNA's DC current 5mA Tran.current 30mA How to decide to the width of the metal line.
  15. S

    current transient siimulation layout LNA

    Hi tony_lth , Can you tell me a little more about Metal width is determined by impedance?

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