Digital DC blocker filters
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Date
2021
Authors
Volume
75
Issue
9-10
Journal
Frequenz : journal of RF-engineering and telecommunications
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Book Title
Publisher
Berlin : De Gruyter
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Abstract
This paper mathematically investigates a special kind of digital infinite-impulse response (IIR) filters, suitable for filtering out very low frequencies near zero from digital signals. We investigate the transfer functions of such filters from 1st to 3rd order and provide formulas to calculate the filter coefficients from the desired cutoff frequency.
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License
CC BY 4.0 Unported