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ADL5202 Input Transformer

Question asked by AndyB on Dec 12, 2011
Latest reply on Dec 13, 2011 by Jim

What is the best transformer configuration for single-ended to differential conversion into the ADL5202 in a broadband application (10 - 250 MHz)?

Its datasheet examples show a standard transformer while its evaluation board employs a transformer with a center-tapped secondary.  The two articles referenced below discuss the advantages of a two-balun transfomer scheme (granted there is power loss in this case).  Which apparoach best suits the ADL5202 in a wide band application?  Thanks.