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NXPs SA58646 (former UAA3515A) application note question

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radzick

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Hi all!

I have a problem with SA58646 IC:

1. in the datasheet there is not written how should i calculate values of inductance, capacitance and resistance of elements shown (there are only elements show with connections)
2. NXP does not answer my questions about some more accurate application note
3. i can not find any information in the www
4. i don't want to be a partisan and find out each value experimentally

Is there someone who can give me a clue about this specific IC (I'm especially interested in the 868 MHz band).
 

I have found this link
https://www.nxp.com/#/pip/pip=[pip=SA58646_1]|pp=[t=pip,i=SA58646_1]

in the datasheet , in the characteristics part , there are some of external components values. also they mentioned some input and output impednaces , u can use them to design ur matching networks

wish this helps u

Khouly
 

Have the same datasheet - there are only values for one frequency - 915 MHz and none about how to find values for other frequencies...
 

but with some minor modifications u can change these valuses to ur desired freq

khouly
 

Yes, thats true. But I do not have enough time and experience to do so. For me it would be to difficult.

Do you have idea how one should start with such a device?
 

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