Mixed cap & coil values in 12db/octave - diyAudio
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Old 8th October 2007, 05:13 PM   #1
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Default Mixed cap & coil values in 12db/octave

For 5.6uF in 6db/octave, high pass would be at 7000Hz
For 0.22mH in 6db/octave, low pass would be at around 2900Hz

Wonder is there a calculation to determine what is the xover value if i put a cap with 5.6uF, and parallel with a coil of 0.22mH, in a 12db/octave butterworth network?
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Old 10th October 2007, 01:11 PM   #2
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no one can help??
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Old 10th October 2007, 01:24 PM   #3
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Location: Gloucestershire, England, UK
The filter is unlikely to have a Butterworth response but it will be 12dB/octave. Butterworth (or any other alignment) requires a specific ratio between the two parts.

As for the results - easiest and best is just to simulate it.
www.readresearch.co.uk my website for UK diy audio people - designs, PCBs, modules and more.
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