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| Ferrite or Iron Powder toroid core for a low pass filter |
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| srb1954:
--- Quote from: coppercone2 on April 26, 2021, 02:36:55 pm ---try realizing it though, those simulations are a bit deceptive, some people say I am putting this very lightly for such a high order filter --- End quote --- I agree. Simulations can give you a false sense of security regarding the performance of the filter unless your component simulation models very closely represent the performance of the real world components. The very least you should do is perform another simulation using the Monte-Carlo technique incorporating the effect of all the component tolerances. With a high order elliptic-function filter or inverse-Chebyshev filter selection of close tolerance components is vital to achieve the desired response, particularly in the transition region between pass band and stop band. |
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