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    Bandstop Filters With Extended Upper Passbands

    I have a question on Bandstop Filters With Extended Upper Passbands

    What does it exactly mean by θ ?


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    Re: Bandstop Filters With Extended Upper Passbands



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    Re: Bandstop Filters With Extended Upper Passbands

    But that wikipedia link does not mention about θ ?

    Please correct me if I miss anything.



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    Re: Bandstop Filters With Extended Upper Passbands

    As in any well written scientific paper, terms are introduced in the text. θ is electrical length of a line segment, θr electrical length at resonance (center frequency).



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