RE: Calculate -3dB point

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In Reply to: Calculate -3dB point posted by Eric Chan on July 3, 2012 at 05:48:03:

Here is an RC calculator.

This shows 11hz as the -3db point. Phase gets lagged 90 degrees in the voltage going through the cap. Phase will be disrupted 10x above the knee. So in this case, phase will be disrupted to 110 hz. You should shoot for 3hz or less to avoid phase issues. The 3hz point requires a 0.8uf cap into your 66K load.

RC Calculator (Open in New Window)

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Follow Ups Full Thread

Topic - Calculate -3dB point - Eric Chan 05:48:03 07/03/12 (2)

RE: Calculate -3dB point - Chris O 08:01:22 07/03/12 (0)

11Hz - Tre' 07:47:47 07/03/12 (0)

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RE: Calculate -3dB point - Chris O 08:01:22 07/03/12 (0)

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