CG LNA design

[Lee24]

I'm trying to design CG LNA at 10GHz. There are a few problems during design. When I designed CS amp, I could match the real number of input impedance using TR size and Ls, and then Input&noise matching using Lg. But I don't know how to approach it with CG LNA. When I used the same method as before, it was impossible to match Yopt and Yin at the same time, and I think S22 is getting too big. Is there something I miss or something I need to add to the circuit?

thank you

 

[D.A.(Tony)Stewart]

https://hal.science/hal-02549601/document

 

[Lee24]

https://hal.science/hal-02549601/document

With reference to the paper, we have constructed a circuit with gm = 1/Rs, Li = 1/Cgs w^2, why does the difference between Y and S parameters in input...