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Question about balun component in rfLib

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Hosaeng Kim

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Question about balun

I am designing a differential LNA, so I want to use balun component in rfLib. I have a question regarding to impedance of the balun component. Does the balanced output impedacne have to be double of single input impedance? For example, when single input impedance is 50ohm, should balanced output impedance be 100ohm?
 

Question about balun

I think you are right.
 

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