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Butterworth_Highpass_active_24dB.php   5505 Bytes    15-08-2016 16:39:55

Active Butterworth Highpass Filter Calculator

Unity Gain in the Passband, 24 dB / Octave, 2 x 2nd order

• Maximally flat near the center of the band
• Smooth transition from Passband to Stopband
• Moderate out of band Rejection
• Low Group Delay variation near center of band

Active Butterworth Highpass Filter

Minimum Freq. [Hz]

C1 [nF]

R1 [kΩ]

R2 [kΩ]

R3 [kΩ]

R4 [kΩ]

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t1 = 3943 d

t2 = 391 ms

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