Systematic method to convert of analog filters to digital filters

Lodin, Alexandru; Grama, Lacrimioara; Rusu, Corneliu; Takala, Jarmo

doi:10.1109/sips.2013.6674503

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2018

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Cited by 2 publications

(2 citation statements)

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“…4 was generated as the minimal spanning tree of the network graph. As one can see, the procedures are similar to those presented in [4], [5].…”

Section: B Implementationmentioning

confidence: 89%

See 1 more Smart Citation

Symbolic Analysis of an Analog Active Filter as Path for Conversion to Digital Filter

Lodin

Grama

Rusu

2018

Carpathian Journal of Electronic and Computer Engineering

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Recently have been reported methods to deliver a digital filter from an analog active filter, described only by its circuits diagram. The proposed approaches have been implemented in MATLAB and Python, and they were based on state-space conversion from analog to digital domain. Based on the Python approach, we show in this paper how to compute the transfer function of a large order analog active filter. The analog filter is described only by its circuits diagram. Finally, the analog filter is converted to the corresponding digital filter, having similar frequency gain and phase characteristics.

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“…4 was generated as the minimal spanning tree of the network graph. As one can see, the procedures are similar to those presented in [4], [5].…”

Section: B Implementationmentioning

confidence: 89%

“…We first compute the state-space of the active analog filter, then a conversion from analog domain to digital domain is used. The implementation of the state-space approach was realized using MATLAB [5] and it has been tested extensively for passive filters.…”

Section: B Conversion Of Analog Filters Described By Their Diagrams mentioning

confidence: 99%