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Recent content by hari_preetha

  1. H

    DC Biasing for Power Amplifier

    Please let me know what about starting point of Vdsq. lt would help me lot.
  2. H

    DC Biasing for Power Amplifier

    Yes, I have varied VDS from 0 to 60 V. Then I am getting VDS=31 V, IDS= 0.088 A, VGS = -0.055 V in the active region. Then can I use these biasing VDS and IDS values for getting optimum output power, power added efficiency and gain. Please clarify it. As you mentioned 100 mA/mm, it is not...
  3. H

    DC Biasing for Power Amplifier

    I have attached the test circuit.
  4. H

    DC Biasing for Power Amplifier

    I want to design Ka- Band Power Amplifier using ADS software. I have taken 0.15 um GaN HEMT transistor for my design. According to datasheet, biasing conditions are VDS = 28 V and IDS = 100 mA. But when we checked DC IV Characteristics, I am getting operating point at VDS = 16 V, IDS =0.072...
  5. H

    Enhance output power

    Yes, it is true. As you said first designer has to design last stage. Bigboss, Can you attach any simple last stage(attaching screen shot) to improve output power of PA that would help lot to researchers of PA designer.
  6. H

    Enhance output power

    You read recently published reputed research papers(IEEE, Elsevier, Springer etc). In the paper, they will discuss clearly how they are enhancing output power of PA. You follow the same carefully, surely you will find solution for your difficulty. And you can visit following postings and you...
  7. H

    Harmonic Balance Simulation setup using ADS2022

    I have designed Power Amplifier (PA) using ADS2022. I would like to simulate PA from (27 - 31)GHz. I have some doubts while setting Harmonic Balance. For simulating (27-31) GHz PA, what fundamental frequency I should set it, can you guide me.
  8. H

    How to remove parse error in ADS2022

    I have downloaded both netlist and log file and attached. I am confused with these file. I am not understanding how to remove error in the line 7. Please guide me, how to fix this error. 1679137129 Even I removed it every thing. I created new file, now also it is showing netlist error. Please...
  9. H

    How to remove parse error in ADS2022

    I am getting parse for my designed circuit. It is telling there is unexpected number in line7. How to find line numbers and how to eliminate parse error.
  10. H

    How to eliminate optimization error in ADS2022

    Can you suggest me anyone how to make S21 positive values because I have tried lot to make S21 positive values. I couldn't get it.
  11. H

    How to eliminate optimization error in ADS2022

    Dear BigBoss, As you asked in the previous post to save project as archieve format and include PDK, I have saved as you mentioned and attached it. Please have a look into it and give suggestions to eliminate the error.
  12. H

    How to eliminate optimization error in ADS2022

    As you asked in the previous posting, I have attached project file with process DK. I request you to address this issue.
  13. H

    How to eliminate optimization error in ADS2022

    I have modified OptGoal2 and OptGoal3. Now I am getting different error. I have attached below error message files. Please have a look on it.
  14. H

    How to eliminate optimization error in ADS2022

    I am using ADS2022 for optimization of Power Amplifier. When I try to do optimization, I could not get proper optimization results. I am getting errors that file is attached below. It seems to be fine. I am not understanding why I am getting this error. Guide me some one how to eliminate this error?
  15. H

    Plotting Pin Vs Gain, PAEVs Pin, DC to RF Vs Pin using ADS

    As you said I tried it. I am not able to obtain desired output.

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