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Problem with broadband matching (3-5GHz) for an amplifier

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MK28

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Broadband matching !

hello all,,

I am desiging an amplifier and having problem whilei am doing broadband matching 3-5 GHZ, any idea how to deal with this problem and which things to take into account for this purpose !

I am using cascoded amplifier!

Please ....
 

flatulent

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Re: Broadband matching !

You are being plagued by the Fano limit. This states that the reactance of the load sets the limits of the reflection coefficient over the desired bandwidth.
 

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