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Hi,
My product with TAS2505Q1 test EMC results FAIL, found that as long as the shield TAS2505Q1 side of the circuit, EMC on PASS.
The test results are as follows:
I want to add L-C filter to the output to suppress. How do I match the parameters?
I have reference L-C filter information on the website, but I don't know how to select parameters for FAIL band.
Are there any good parameter suggestions for fail band?
thanks.
Hi, Wu,
Could you try with the values of the recommended in section 3 of this document, please? This filter recommendation works fine for this device.
http://www.ti.com/lit/an/slaa581/slaa581.pdf
Best regards,
Luis Fernando Rodríguez S.
Hi Luis,
thank you for you feedback.
I used 4ohm load, this solution are the same?
Or 4ohm have other solution?
Is there a formula for reference?
thanks.
Hi, Wu,
The solution works for 4ohms and 8ohms load. This would be helpful to reduce the EMC failure.
Best regards,
Luis Fernando Rodríguez S.