Practical analog and digital filter design / Les Thede.

Format:

Book

Author/Creator:

Thede, Les (Leslie D.)

Series:

Artech House microwave library.

Artech House microwave library

Language:

English

Subjects (All):

Electric filters--Design and construction.

Electric filters.

Microwave filters--Design and construction.

Microwave filters.

Physical Description:

xiii, 267 p. : ill.

Edition:

1st ed.

Place of Publication:

Boston : Artech House, c2004.

Language Note:

English

Summary:

Master the most common analog and digital filter design and implementation methods with this hands-on new resource. The book explains in practical terms all the important derivations so you can apply them directly to your own filter design problems. Not only does it detail analog active and digital IIR and FIR filter design, the book also thoroughly treats implementation issues to steer you away from common design pitfalls.

Contents:

Practical Analog and Digital Filter Design

Contents vii

Preface xi

CHAPTER CONTENTS

ACKNOWLEDGMENTS

TRADEMARKS

Chapter 1: Introduction to Filters and Filter Design Software

1.1 FILTER SELECTIVITY

1.1.1 Lowpass Filters

1.1.2 Highpass Filters

1.1.3 Bandpass Filters

1.1.4 Bandstop Filters

1.2 FILTER APPROXIMATION

1.3 FILTER IMPLEMENTATION

1.4 WFILTER - FILTER DESIGN SOFTWARE

1.5 CONCLUSION

Chapter 2: Analog Filter Approximation Functions

2.1 FILTER TRANSFER FUNCTIONS

2.1.1 Transfer Function Characterization

2.1.2 Pole-Zero Plots and Transfer Functions

2.1.3 Normalized Transfer Functions

2.2 BUTTERWORTH NORMALIZED APPROXIMATION FUNCTIONS

2.2.1 Butterworth Magnitude Response

2.2.2 Butterworth Order

2.2.3 Butterworth Pole Locations

2.2.4 Butterworth Transfer Functions

2.3 CHEBYSHEV NORMALIZED APPROXIMATION FUNCTIONS

2.3.1 Chebyshev Magnitude Response

2.3.2 Chebyshev Order

2.3.3 Chebyshev Pole Locations

2.3.4 Chebyshev Transfer Functions

2.4 INVERSE CHEBYSHEV NORMALIZED APPROXIMATION FUNCTIONS

2.4.1 Inverse Chebyshev Magnitude Response

2.4.2 Inverse Chebyshev Order

2.4.3 Inverse Chebyshev Pole-Zero Locations

2.4.4 Inverse Chebyshev Transfer Functions

2.5 ELLIPTIC NORMALIZED APPROXIMATION FUNCTIONS

2.5.1 Elliptic Magnitude Response

2.5.2 Elliptic Order

2.5.3 Elliptic Pole-Zero Locations

2.5.4 Elliptic Transfer Functions

2.6 COMPARISON OF APPROXIMATION METHODS

2.7 CONCLUSION

Chapter 3: Analog Lowpass, Highpass, Bandpass, and Bandstop Filters

3.1 UNNORMALIZED LOWPASS APPROXIMATION FUNCTIONS

3.1.1 Handling a First-Order Factor

3.1.2 Handling a Second-Order Factor

3.2 UNNORMALIZED HIGHPASS APPROXIMATION FUNCTIONS

3.2.1 Handling a First-Order Factor.

3.2.2 Handling a Second-Order Factor

3.3 UNNORMALIZED BANDPASS APPROXIMATION FUNCTIONS

3.3.1 Handling a First-Order Factor

3.3.2 Handling a Second-Order Factor

3.4 UNNORMALIZED BANDSTOP APPROXIMATION FUNCTIONS

3.4.1 Handling a First-Order Factor

3.4.2 Handling a Second-Order Factor

3.5 ANALOG FREQUENCY RESPONSE

3.5.1 Mathematics for Frequency Response Calculation

3.5.2 C Code for Frequency Response Calculation

3.6 SAVING THE FILTER PARAMETERS

3.7 CONCLUSION

Chapter 4: Analog Filter Implementation Using Active Filters

4.1 IMPLEMENTATION PROCEDURES FOR ANALOG FILTERS

4.2 LOWPASS ACTIVE FILTERS USING OP-AMPS

4.3 HIGHPASS ACTIVE FILTERS USING OP-AMPS

4.4 BANDPASS ACTIVE FILTERS USING OP-AMPS

4.5 BANDSTOP ACTIVE FILTERS USING OP-AMPS

4.6 IMPLEMENTING COMPLEX ZEROS WITH ACTIVE FILTERS

4.7 ANALOG FILTER IMPLEMENTATION ISSUES

4.7.1 Component Selection

4.7.2 Sensitivity Analysis

4.8 USING WFILTER IN ANALOG FILTER IMPLEMENTATION

4.9 CONCLUSION

Chapter 5: Introduction to Discrete-Time Systems

5.1 ANALOG-TO-DIGITAL CONVERSION

5.1.1 Frequency Spectrum and Sampling Rate

5.1.2 Quantization of Samples

5.1.3 A Complete Analog-to-Digital-to-Analog System

5.2 LINEAR DIFFERENCE EQUATIONS AND CONVOLUTION

5.2.1 Linear Difference Equations

5.2.2 Impulse Response and Convolution

5.3 DISCRETE-TIME SYSTEMS AND Z-TRANSFORMS

5.4 FREQUENCY RESPONSE OF DISCRETE-TIME SYSTEMS

5.5 PLAYING DIGITIZED WAVEFORMS ON A COMPUTER SYSTEM

5.6 CONCLUSION

Chapter 6: Infinite Impluse Response Digital Filter Design

6.1 IMPULSE RESPONSE INVARIANT DESIGN

6.2 STEP RESPONSE INVARIANT DESIGN

6.3 BILINEAR TRANSFORM DESIGN

6.4 C CODE FOR IIR FREQUENCY RESPONSE CALCULATION

6.5 CONCLUSION.

Chapter 7: Finite Impulse Response Digital Filter Design

7.1 USING FOURIER SERIES IN FILTER DESIGN

7.1.1 Frequency Response and Impulse Response Coefficients

7.1.2 Characteristics of FIR Filters

7.1.3 Ideal FIR Impulse Response Coefficients

7.2 WINDOWING TECHNIQUES TO IMPROVE DESIGN

7.3 PARKS-MCCLELLAN OPTIMIZATION PROCEDURE

7.3.1 Description of the Problem

7.3.2 The Remez Exchange Algorithm

7.3.3 Using the Parks-McClellan Algorithm

7.3.4 Limitations of the Parks-McClellan Algorithm

7.4 C CODE FOR FIR FREQUENCY RESPONSE CALCULATION

7.5 CONCLUSION

Chapter 8: Digital Filter Implementation Using C

8.1 DIGITAL FILTER IMPLEMENTATION ISSUES

8.1.1 Input and Output Signal Representation

8.1.2 Coefficient Representation

8.1.3 Retaining Accuracy and Stability

8.2 C CODE FOR IIR FILTER IMPLEMENTATION

8.3 C CODE FOR FIR FILTER IMPLEMENTATION

8.3.1 Real-Time Implementation of FIR Filters

8.3.2 Nonreal-Time Implementation of FIR Filters

8.4 FILTERING SOUND FILES

8.5 CONCLUSION

Chapter 9: Digital Filtering Using the FFT

9.1 THE DISCRETE FOURIER TRANSFORM (DFT)

9.2 THE FAST FOURIER TRANSFORM (FFT)

9.2.1 The Derivation of the FFT

9.2.2 The Inverse FFT

9.3 C CODE FOR THE FFT

9.4 APPLICATION OF FFT TO FILTERING

9.5 CONCLUSION

Appendix A: Technical References

ADVANCED MATHEMATICS REFERENCES

ANALOG FILTER DESIGN REFERENCES

C PROGRAMMING REFERENCES

DIGITAL FILTER DESIGN REFERENCES

Appendix B: Filter Design Software and C Code

WFILTER FILTER DESIGN SOFTWARE

C COMPUTER CODE

FEEDBACK

Appendix C: Filter Design Using C

Appendix D: C Code for Normalized Approximation Functions

Appendix E: C Code for Unnormalized Approximation Functions

Appendix F: C Code for Active Filter Implementation.

Appendix G: C Code for IIR Filter Design

Appendix H: C Code for FIR Filter Design

Appendix I: Filtering Sound Files

About the Author

Index.

Notes:

Title from title screen.

Digitized and made available by: Books24x7.com.

Includes link to CD content.

Includes bibliographical references and index.

ISBN:

1-58053-916-5

OCLC:

57442022