I am simulating an InAlAs/InGaAs/InP HEMT, the simulation works pretty fine until a gate bias voltage of 0.2 V.But for the output characteristics simulation the drain current beyond 0.2V is not rising up in the linear operation region. Could anyone have an idea to fix this or what will be the cause for this behavior?
I recommend using Micro-Cap (http://www.spectrum-soft.com/download/download.shtm). All EE's at Emerson used Micro-cap, even though it cost $4,000 each. There are no other electronic SPICE modeling programs even close to Micro-Cap capability.
Micro-Cap is now free. Andy Thompson, owner of Spectrum Software, has retired.
Micro-Cap does worst case analysis --- changing the tolerances of components --- changing the temperature --- etc. And it is easy to use.
I have used Micro-Cap for all of my electronic designs since 2001. When I tested prototypes, they worked exactly as the model predicted.
The website --- https://NDAcademy.FoxPing.com/ --- 2.8 Electronic Cascade RC Filters --- and --- 7.2 Electronic SPICE Models --- provide examples.
Sethu George sir can you please provide the code so that i can check my code as I am getting an output that is not even close to your output. Please help sir.
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