IIR Filter Design

# IIR Filter Design Notes | Study Signals and Systems - Electronics and Communication Engineering (ECE)

## Document Description: IIR Filter Design for Electronics and Communication Engineering (ECE) 2022 is part of Signals and Systems preparation. The notes and questions for IIR Filter Design have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus. Information about IIR Filter Design covers topics like IIR Filter Design and IIR Filter Design Example, for Electronics and Communication Engineering (ECE) 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for IIR Filter Design.

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IIR Filter Design

•  Butterworth, Chebyshev & elliptic techniques
•  Impulse invariance and bilinear transformation methods are used for translating splane singularities of analog filter to z-plane.
• Frequency transformations are employed to convert LP digital filter design into HP, BP and BR digital filters.
•  All pass filters are employed to alter only the phase response of IIR digital filter to approximate a linear phase response over the pass band.

The system function = H(s)

The frequency transfer function = H(j Ω ) = H(s) / s=j Ω

The power transfer function =|H ( j Ω)2=H(j Ω ) H*(j Ω ) = H(s) H(-s) / s=j Ω

To obtain the stable system, the polse that lie in the left half of the s-plane are assigned to
H(s).

The document IIR Filter Design Notes | Study Signals and Systems - Electronics and Communication Engineering (ECE) is a part of the Electronics and Communication Engineering (ECE) Course Signals and Systems.
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## Signals and Systems

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