Letters to the editor: Limit cycles in state-space structures for digital filters

Document Type

Letter to the Editor

Date of Original Version

1-1-1979

Abstract

It is shown that large quantization limit cycles are possible in state-space structures for digital filters with rounding, as opposed to magnitude truncation where such limit cycles can be avoided. The coupled-loop structure is considered specifically. The maximum limit-cycle amplitudes with rounding are obtained analytically for poles near the imaginary (or real) z-plane axis and by simulation for other regions of the z-plane. © 1979 IEEE

Publication Title, e.g., Journal

IEEE Transactions on Circuits and Systems

Volume

26

Issue

1

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