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How to match the interstage of LNA

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shanmei

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For very high frequency 2 stage LNA, we also need to match the interstage impedance.

I know for input output matching,we can add 50 ohm port to let input and output to matching to 50ohm. While for the interstage, how do I match the interstage, I can't add a port between the output of the 1st stage and another port to the input of the 2nd stage.

Thanks.
 

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