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cyrf layout question | Cypress Semiconductor

cyrf layout question

Summary: 0 Replies, Latest post by fuga on 11 Apr 2010 12:46 PM PDT
Verified Answers: 0
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fuga's picture
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I am developing an application using a psoc core and a cyrf7936 transceiver.

I have taken a look to the cyfi first touch kit (CY3271) and studied the schematics (Reference design).

I have opted for the External Power Amplifier solution and using two RF switch across the Amplifier/Saw filter section.

I am new in RF design. I know that RF lines should be Impedence controlled and his layout should be very carefully designed. 

But... should only the terminating line between the last switch (TX/RX) and the antenna be controlled or all the connection till the cyrf?

I would say, only the part from the switch / amplifier to the antenna, but I am not sure.

Thank you in advance.




Federico Fuga



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