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Contents<br />

xv<br />

6.6. Pseudobandpass Matching Networks, 212<br />

6.6.1. A Pseudobandpass Frequency Transformation, 213<br />

6.6.2. Evaluation <strong>of</strong> Gain-Bandwidth Integrals, 214<br />

6.6.3. Network Synthesis Procedure, 216<br />

6.6.4. Summary <strong>of</strong> Pseudobandpass Matching, 217<br />

6.7. Carlin's Broadhand-Matching Method, 218<br />

6.7.1. Piecewise Hilbert Transform, 219<br />

6.7.2. Gain Objective Function With Derivatives, 222<br />

6.7.3. Optimization <strong>of</strong> the Piecewise Resistance Function, 224<br />

6.7.4. Rational Approximation and Synthesis, 224<br />

6.7.5. Summary <strong>of</strong> Carlin's Broadband-Matching Method, 226<br />

Problems, 227<br />

7. Linear Amplifier <strong>Design</strong> Tools<br />

7.1. Bilinear Transformations: 231<br />

7.1.1. Determining Bilinear Coefficients, 232<br />

7.1.2. Generalized Smith Chart, 235<br />

7.1.3. Summary <strong>of</strong> Bilinear Transformations, 237<br />

7.2. Impedance Mapping, 238<br />

7.2.1. Three-Port to Two-Port Conversion, 238<br />

7.2.2. The Bilinear Theorem, 240<br />

7.2.3. Mapping, 241<br />

7.2.4. Summary <strong>of</strong> Impedance Mapping, 246<br />

7.3. Two-Port Impedance and Power Models, 246<br />

7.3.1. Output Power Paraboloid, 247<br />

7.3.2. Input Admittance Plane, 248<br />

7.3.3. Ma;"imum Efficiency, 250<br />

7.3.4. Conjugate Terminations, 252<br />

7.3.5. Maximum Added Power, 254<br />

7.3.6. Summary <strong>of</strong> Two-Port Impedance and Power Models, 256<br />

7.4. Bilateral Scattering Stability and Gain, 257<br />

7.4.1. Changing S-Parameter Port Normalization, 258<br />

7.4.2. Stability, 259<br />

7.4.3. Bilateral Gains and Terminations, 263<br />

7.4.4. Summary <strong>of</strong> Scattering Stability and Gain, 267<br />

7.5. Unilateral Scattering Gain, 267<br />

7.5.1. Transducer Gain Simplification, 268<br />

7.5.2. Unilateral Figure <strong>of</strong> Merit, 268<br />

7.5.3. Unilateral Gain Circles, 269<br />

7.5.4. Summary <strong>of</strong> Unilateral Scattering Gain, 271<br />

Problems, 271<br />

230<br />

8. Direct-Conpled Filters<br />

8.1. Prototype Network, 276<br />

8.l.1. Prototype Resonators, 276<br />

8.1.2. Ideal Inverters, 277<br />

8.1.3. Prototype Network Selectivity, 279<br />

273

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