Second-Order LC Low-Pass Notch Filter
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Circuit Description
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Second-Order LC Low-Pass Notch Filter.
Frequency where peaking occurs:
Fpk = 1 / [2π√(LCp)]
where,
Cp is the parallel combination of Cn and Clp
Cp =Cn + Clp
Frequency where the magnitude response should ideally become zero:
Fn = 1 / [2π√(LCn)]
For the saved values:
Fpk = 1 / [2π√(1 µH · 11 µF)]
Fpk = 1 / [2π√(1 µH · 11 µF)]
Fpk ≈ 47,987 kHz
Fn = 1 / [2π√(LCn)]
Fpk = 1 / [2π√(1 µH · 1 µF)]
Fpk ≈ 159.155 kHz
Creator
GGoodwin
1116 Circuits
Date Created
6 years, 11 months ago
Last Modified
3 years, 2 months ago
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