Page 12 - Analog and Digital Filter Design

9
Contents

9
CHAPTER Phase-Shift Networks (All-Pass Filters) 243
Phase Equalizing All-Pass Filters 243
Introduction to the Problem 243
Detailed Analysis 244
The Solution: All-Pass Networks 246
Passive First-Order Equalizers 247
Passive Second-Order Equalizers 249
Active First-Order Equalizers 253
Active Second-Order Equalizers 254
Equalization of Butterworth and Chebyshev Filters 255
Group Delay of Butterworth Filters 256
Equalization of Chebyshev Filters 263
Chebyshev Group Delay 263
Quadrature Networks and Single Sideband Generation 273
References 283
Exercises 284

10
CHAPTER Selecting Components for Analog Filters 285

Capacitors 285
Inductors 289
Resistors 29 1
The Printed Circuit Board (PCB) 292
Surface-Mount PCBs 293
Assembly and Test 294
Operational Amplifiers 295
Measurements on Filters 296
Reference 297
Exercises 297

11
CHAPTER Filter Design Software 299
Filter Design Programs 299
Supplied Software 299
Active-F 300
Filter2 30 1
Ellipse 302
Diplexer 303
Match2A 304
References 305