Mar 22, 2023 #1 L LUU Newbie Joined Mar 22, 2023 Messages 1 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 15 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. S21 dBS11 dBS22 dBS33 dBS12 dB20-16-28-23-66NF dBIIP3 dBmgain imbalancephase imbalancePW mw3.5-12.50.20.86216.9 Attachments 0317電路圖.png 53.5 KB · Views: 97
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. S21 dBS11 dBS22 dBS33 dBS12 dB20-16-28-23-66NF dBIIP3 dBmgain imbalancephase imbalancePW mw3.5-12.50.20.86216.9