ACTIVE FILTERS : Theory and Design

Title:

Personal Author:

Pactitis, S.A., author

Physical Description:

274 pages : illustrations, charts ; 24 cm

ISBN:

9780367388386

Abstract:

Active Filters: Theory and Design highlights the essential role of filters, especially analog active filters, in applications for seismology, brainwave research, speech and hearing studies, and other medical electronics. The book demonstrates how to design filters capable of meeting a given set of specifications- Amazon.com

Subject Term:

Electric filters, Active -- Design and construction

Available:*

Library	Item Barcode	Call Number	Material Type	Item Category 1	Status
Searching... PSZ KL	33000000006721	TK7872.F5 P325 2019	Open Access Book	Book	Searching... Unknown

On Order

Summary

Using an accessible yet rigorous approach, Active Filters: Theory and Design highlights the essential role of filters, especially analog active filters, in applications for seismology, brainwave research, speech and hearing studies, and other medical electronics. The book demonstrates how to design filters capable of meeting a given set of specifications.

Recognizing that circuit simulation by computer has become an indispensable verification tool both in analysis and in design, the author emphasizes the use of MicroCap for rapid test of the filter. He uses three basic filter types throughout the book: Butterworth, Chenyshev, and Bessel. These three types of filters are implemented with the Sallen-Key, infinite gain multiple feedback, state-variable, and biquad circuits that yield low-pass, high-pass, band-pass, and band-reject circuits. The book illustrates many examples of low-pass, high-pass, band-pass, and notch active filters in complete detail, including frequency normalizing and denormalizing techniques.

Design equations in each chapter provide students with a thorough grounding in how to implement designs. This detailed theoretical treatment gives you the tools to teach your students how to master filter design and analysis.

Author Notes

Pactitis, S.A.

Chapter 1 Introduction	p. 1
1.1 Filters and Signals	p. 1
1.2 Basic Filter Types	p. 2
1.3 The Mathematics of Elementary Filters	p. 5
1.3.1 Butterworth Filters	p. 7
1.3.2 Chebyshev Filters	p. 9
1.3.3 Bessel-Thomson Filters	p. 14
1.3.4 Elliptic or Cauer Filters	p. 17
1.4 Why Active Filters?	p. 17
1.5 Practical Applications	p. 18
1.5.1 Tone Signaling	p. 19
1.5.2 Biofeedback	p. 19
1.5.3 Instrumentation	p. 19
1.5.4 Data Acquisition Systems	p. 19
1.5.5 Audio	p. 19
1.5.6 Lab Signal Sources	p. 19
1.6 The Voltage-Controlled Voltage Source (VCVS)	p. 19
Chapter 2 Sallen-Key Filters	p. 21
2.1 Introduction	p. 21
2.2 Frequency Response Normalization	p. 21
2.3 First-Order Low-Pass Filter	p. 22
2.3.1 Frequency Response	p. 23
2.4 First-Order High-Pass Filter	p. 25
2.4.1 Frequency Response	p. 26
2.5 Second-Order Filters	p. 28
2.6 Low-Pass Filters	p. 31
2.6.1 Frequency Response	p. 32
2.6.2 Design Procedure	p. 34
2.7 High-Pass Hirers	p. 44
2.8 Higher-Order Filters	p. 50
2.9 Wide-Band Filters	p. 60
2.10 Wide-Band Band-Reject Filters	p. 64
2.11 Comments on VCVS Filters	p. 68
2.11.1 Low-Pass Filters	p. 68
2.11.2 High-Pass Filters	p. 69
Problems	p. 70
Chapter 3 MultiFeedback Filters	p. 73
3.1 Low-Pass Filters	p. 73
3.2 High-Pass Filters	p. 78
3.3 Higher-Order Filters	p. 83
3.4 Band-Pass Filters	p. 90
3.4.1 Narrow-Band Band-Pass Filter	p. 92
3.4.1.1 Design Procedure	p. 94
3.4.1.2 Frequency Response	p. 95
3.4.2 Narrow-Band Band-Pass Filter with Two Op-Amps	p. 102
3.4.2.1 Design Procedure	p. 105
3.4.3 Deliyannis's Band-Pass Filter	p. 107
3.4.3.1 Design Procedure	p. 111
3.5 Band-Reject Filters	p. 114
3.5.1 Wide-Band Band-Reject Filters	p. 114
3.5.2 Narrow-Band Band-Reject Filter	p. 119
3.5.2.1 Design Procedure	p. 121
3.5.3 MFB Narrow-Band Band-Reject Filter	p. 123
3.6 Comments on MFB Filters	p. 126
3.6.1 Low-Pass Filters	p. 126
3.6.2 High-Pass Filters	p. 127
3.6.3 Band-Pass Filters	p. 127
Problems	p. 127
Chapter 4 Filters with Three Op-Amps	p. 129
4.1 State-Variable Filter	p. 129
4.1.1 Low-Pass Filter	p. 130
4.1.1.1 Design Procedure	p. 131
4.1.2 High-Pass Filter	p. 137
4.1.2.1 Design Procedure	p. 138
4.1.3 Narrow-Band Band-Pass Filter	p. 149
4.1.3.1 Design Procedure	p. 150
4.2 Biquad Filters	p. 154
4.2.1 Narrow-Band Band-Pass Filter	p. 155
4.2.1.1 Design Procedure	p. 157
4.2.2 Low-Pass Filter	p. 159
4.2.2.1 Design Procedure	p. 161
Problems	p. 166
Chapter 5 Sensitivity	p. 169
5.1 Introduction	p. 169
5.2 Some General Properties	p. 171
5.3 Magnitude and Phase Sensitivities	p. 174
5.4 Root Sensitivity	p. 176
Problems	p. 180
Chapter 6 Filters with GIC	p. 183
6.1 Introduction	p. 183
6.2 Generalized Impedance Converters	p. 183
6.3 Low-Pass Filter Design	p. 187
6.4 High-Pass Filter Design	p. 191
6.5 Narrow-Band Band-Pass Filter Design	p. 194
6.6 Narrow-Band Band-Reject Filter Design	p. 197
Problems	p. 200
Chapter 7 OTA Filters	p. 203
7.1 Introduction	p. 203
7.2 Single OTA LP Filters with Three Passive Components	p. 204
7.2.1 First-Order Low-Pass Filter	p. 205
7.2.2 First-Order High-Pass Filter	p. 206
7.3 Second-Order Low-Pass Filter	p. 207
7.4 Second-Order LP Filter with Four Passive Components	p. 210
7.5 Second-Order Band-Pass Filter	p. 213
7.6 OTA-C Filter	p. 216
7.7 Some nonIdeal Feature of the OTA	p. 219
Problems	p. 220
Chapter 8 Switched Capacitor Filters	p. 225
8.1 Introduction	p. 225
8.2 The Switched Capacitor Resistors	p. 225
8.3 The Switched Capacitor Integrator	p. 226
8.4 Universal SC Filters	p. 228
8.4.1 The LMF100 Universal SC Filter	p. 228
8.4.1.1 Modes of Operation	p. 229
8.4.1.2 Low-Pass Filter	p. 230
8.4.1.3 High-Pass Filter	p. 232
8.4.1.4 Narrow-Band Band-Pass Filter	p. 235
8.5 Practical Limitations of SC Filters	p. 240
Problems	p. 240
Appendix A Node Voltage Network Analysis	p. 247
Appendix B Filter Design Nomograph	p. 251
Appendix C First- and Second-Order Factors of Denominator Polynomial	p. 253
Appendix D Formulas of Normalized Filters	p. 257
Appendix E Element Values for Low-Pass LC Filters	p. 261
Appendix F Coefficients of Denominator Polynomial	p. 265
Bibliography	p. 269
Index	p. 271

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Summary

Summary

Author Notes

Table of Contents