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SMD RF component identification

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Bob60

Bob60

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Hello! Who knows sot363/sc70 marked U33 and QFN 1098 N?FA3A.
U33 should be one stage FET with working frequency up to 2-3GHz ( may be BJT two stage ) from Avago, RFMD and so on.
1098 some driver two stage BJT (SiGe tehnology? )1 st pin input and so on.

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Concerning U33 I identify. It`s OK. About QFN 1098 would be interesting. Any ideas?
 

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