RC Polyphase Filter as Complex Analog Hilbert Filter


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This paper presents that the RC polyphase filer has characteristics as a complex analog Hilbert filter. Phase characteristics of the RC polyphase filter have the same as the Hilbert filter. Also its gain characteristics can be approximated as the Hilbert filter; as its order becomes higher, its gain characteristics become closer to the Hilbert filter. We have proved these for 1st to 4th RC polyphase filters, as well as in general n-th order case, and also confirmed with numerical simulations.



Edited by:

Osamu Hanaizumi




Y. Tamura et al., "RC Polyphase Filter as Complex Analog Hilbert Filter", Applied Mechanics and Materials, Vol. 888, pp. 29-36, 2019

Online since:

February 2019




* - Corresponding Author

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