VI
Page
Chapter 7: RF Filters 208
Introduction 208
Electrical Filters 208
Acoustic Filters 208
Filter Design Revision 208
Filter Tables 209
Butterworth Filters 210
Bessel Filter 212
Chebyshev Filter 213
Cauer-Chebyshev Filter 213
Reflectionless Filters 215
RF Lowpass Filter Design 219
Bandpass Filter Design 224
LC Bandpass Filters 224
Low-Pass to Band-Pass Transformation 224
LC Coupled Resonator Filter 225
HF Filters 231
Cauer-Chebyshev Bandpass Filters 233
Parallel Coupled-Line Filter 233
Example 7.1: 1 GHz, 70 MHz Bandwidth Filter 233
Hairpin Filter 236
Helical Filters 240
Example 7.2: 100 MHz, 1 MHz Bandwidth Filter 241
Interdigital Filters 244
Round Rod Interdigital Filters 245
PCB Interdigital Filters 246
Example 7.3: 1GHz, 70 MHz Bandwidth Filter 247
Direct Coupled Resonator Filters 252
Example 7.4: 1 GHz, 500 MHz Bandwidth Filter 253
Fine Tuning the Filter 255
Microstrip Filter Comparison 257
EM Simulation 262
Coaxial Filters 269
Ceramic Filters 272
SAW Filters 273
References 273
Chapter 8: Amplifiers: Stability, Noise and Gain 275
Introduction 275
MMIC 275
Requirement for Stability 277
Smith Chart Revision 277
Scattering Parameter Revision 278
Stability 280
Stability Circles 281
Unconditional Stability 282
Conditional Stability 282
RF Electronics: Design and Simulation
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