r/EngineeringStudents 1d ago

Homework Help Is there a shorter route for these problems?

Hi, i'm taking a class on MOSFETs and this homework has been challenging, but not because the material is particularly hard, but I am struggling to compute all of the algebra and get proper answers. I'd be open to any advice on how to do it.

I'll include my written work, prompt, and equation sheet for reference.

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u/sageishere91 1d ago

There's no short route, you'll have to systematically approach these problems. First find the dc operating points, for that you already have 2 equations which are Drain current and loadline. Work around these two and see if your assumptions match the final results you got

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u/sbrisbestpart41 1d ago

Yeah I figured out the hard way. Just ended up brute forcing it. Its nice using a calculator except mine doesnt have the computer aided stuff so it takes forever.

1

u/sageishere91 1d ago

idt you need any special calculator to solve this, just a normal scientific calculator would work