LUU
Newbie

I have designed a single-input, differential-output LNA, but apart from the gain, all other parameters are normal. However, the IIP3 is slightly poor. I have tried adding a source degeneration inductor, but it didn't work.
How can I improve my circuit ?
Here in my circuit and simulation result.
How can I improve my circuit ?
Here in my circuit and simulation result.
S21 dB | S11 dB | S22 dB | S33 dB | S12 dB |
20 | -16 | -28 | -23 | -66 |
NF dB | IIP3 dBm | gain imbalance | phase imbalance | PW mw |
3.5 | -12.5 | 0.2 | 0.862 | 16.9 |