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formula for low pass filter

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roomy

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hello ,

can any one write down the formula equation for output low pass filter


thanks
 

Phytech

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You can find that out in any filter books. It all depends on what type of transfer function you want.
 

roomy

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i dont have this book

is it 1/2piFC OR 1/1+2PIFCR
 

bigdogguru

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The capacitive reactance for a RC low pass filter:

member302142-albums136-56764.gif


Here's a tutorial covering the design of a RC low pass filter:

Passive Low Pass Filter

Hope the info answers your question.
 

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