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HI jimito13, thank you for your reply but I didn't have any variable w. I used device parameter w as an swept parameters.
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Problem solved! This problem was caused by the following line in my .cdsenv file...
I am having difficulties to use AMS HITKIT 4.00 for circuit simulation. Without any design parameters, the simulation runs ok. But for a sweep analysis I get this kind of errors on every transistors parameters.
From the CDS.log I can see that the ams_MosCallback has been load at the startup...
Avoiding redesign the circuit and also minimize the layout change, (in other word only circuit tweaking), personally I prefer to tweak the size of the current bias transisitor.
It might be useful if you can generate two sets of gmId lookup charts for both technologies so that you can have rough...
This is a design team including some engineer doing design, some doing laytout and some doing simiulation. As a junior engineer, I think I still have chance to choose what I want to do.
Say I want to grow perfessionally in RFIC design, is it is worth to do the layout first.
Thank you for your quick reply. You are right. Putting other people's readymade blocks together is not a challenging job and maybe a bit boring. To become a good IC designer I do want to understand both the design part and the layout part. But now as a graduate I have no experience on both of...
I got a excellent opportunity to work for a high frequency IC design team in a wellknown semiconductor company. But I have no experience in analog IC design. What I have done in my Master/PhD are some mask designs with Cadence and quite a lot of ASIC / SOC designs. So when the interviewer ask...
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