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Anybody share me the background noise suppresion?

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John_li

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Hi all,
I have designed a cordless telephone,but the background noise is uncomfortable,i want to improve it.Anybody kindly share me your experiment and documents about how to suppress it?
Thank you.
 

John_li

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Any share me the background noise suppresion?

Is it related to the PCB design?
 

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Any share me the background noise suppresion?

Anybody?
 

vijaya_narayana

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Re: Any share me the background noise suppresion?

if it si from external source then u can use a pass filter to eliminate.U can use some decouplers where ever necessary.
 

    John_li

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John_li

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It is difficult that mixed with audio,for it is white noise .so i want to find the root source.what is the root cause?
 

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Anybody kindly tell me how to reduce the background noise in FM system?
 

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