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AD8369 input and output impedance interface

Question asked by sgphoto on Mar 5, 2013
Latest reply on Mar 6, 2013 by NeilJ

I am planning to use VGA AD8369 in my project. Since AD8369 has differential input and output with 200 ohm interfaces, while in my project, the source and load are all single-ended with 50 ohm. I have to use termination circuit as follows, where the transformers are TC4-1W with an impedance ratio of 4 (secondary/primary).

Will this circuit work out for input and output impedance matching?

AD8369.jpg

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