Recursive filter synthesis
Digital filters - Summary
Article REF: E3160 V1
Recursive filter synthesis
Digital filters - Summary

Author : Jacques PRADO

Publication date: November 10, 2000, Review date: March 14, 2018 | Lire en français

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3. Recursive filter synthesis

Recursive filters offer the following advantages:

  • a narrow transition band for an order equivalent to that of a non-recursive filter;

  • the possibility of creating pure phase shifters, also known as all-pass filters.

The techniques used to synthesize a recursive filter can be roughly divided into three categories:

.Equivalent diagram for the invariant method
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