| Preface | p. xiii |
| Numbers and Traces | p. 1 |
| Common Curve-Fitting Techniques | p. 1 |
| Linear Regression | p. 3 |
| Linear Interpolation | p. 3 |
| Logarithmic Regression | p. 3 |
| Power Function Regression | p. 4 |
| Exponential Regression | p. 6 |
| Polynomial Regression | p. 7 |
| Spline Curve Fits | p. 15 |
| Summary | p. 17 |
| Problem | p. 18 |
| References | p. 19 |
| Traces for Numbers | p. 21 |
| A New Approach to Curve Fitting | p. 21 |
| Drawing Asymptotes | p. 22 |
| The Right-Hand Function (RHF) | p. 25 |
| The Left-Hand Function (LHF) | p. 27 |
| Building the Curve-Fit Equation | p. 33 |
| Software to Assist in Creating Curve-Fit Equations | p. 35 |
| Natural Logarithm Equivalent to the RHF | p. 35 |
| Natural Logarithm Equivalent to the LHF | p. 37 |
| Applying the New Curve-Fit Technique | p. 37 |
| Adding Dimension to the Curve-Fit Equation | p. 40 |
| The Step Function--A Useful Combination of Right-Hand Functions | p. 43 |
| Summary | p. 48 |
| Problems | p. 48 |
| Current Source Behavior | p. 49 |
| Modeling Transistor Device Current Sources | p. 49 |
| The Curtice Square Law MESFET Model | p. 50 |
| Developing a MESFET Current Source Behavioral Model | p. 51 |
| An Alternate MESFET Current Source Behavioral Model | p. 57 |
| A General MESFET Current Source Behavioral Model | p. 60 |
| Modeling the Bipolar Transistor Current Source | p. 65 |
| Behavioral Model Examples | p. 68 |
| Summary | p. 83 |
| Problem | p. 83 |
| References | p. 84 |
| Amplifier Behavior | p. 85 |
| Modeling the Nonlinear Class A Amplifier | p. 85 |
| Power-Out Versus Power-In | p. 86 |
| The Relationship Between P[subscript 1dB] and P[subscript sat] | p. 91 |
| Defining Amplifier Third-Order Intercept Point | p. 92 |
| Amplifier Stage Phase Shift as a Function of Power Input | p. 98 |
| Defining Power-Added Efficiency | p. 99 |
| Estimating Amplifier Noise Figure | p. 100 |
| Summary | p. 103 |
| Problems | p. 105 |
| Power Amplifier Behavior | p. 107 |
| Class AB Amplifiers | p. 107 |
| Basis for the Class AB Amplifier Behavioral Model | p. 108 |
| New Parameters for Class AB Amplifier Behavioral Models | p. 109 |
| Average DC Current as a Function of Power Input | p. 115 |
| Gain as a Function of Average DC Current | p. 118 |
| Summary | p. 131 |
| Problems | p. 133 |
| Modeling It With Frequency | p. 135 |
| Adding Frequency as a Behavioral Model Variable | p. 135 |
| Amplifier Gain as a Function of Frequency | p. 135 |
| Ideal Bandpass Amplifier Butterworth Frequency Response Simulation | p. 138 |
| Adding Ripple to the Bandpass | p. 138 |
| Modeling Measured Small Signal Gain Data | p. 148 |
| Saturated Power Output as a Function of Frequency | p. 151 |
| Simulate Saturated Power Output Over the Band | p. 152 |
| Model Measured Saturated Power Output Data Files | p. 153 |
| Bias Coefficient as a Function of Frequency | p. 153 |
| Compression Coefficient as a Function of Frequency | p. 154 |
| Average Bias Current as a Function of Frequency and Power Input | p. 155 |
| Noise Figure as a Function of Frequency | p. 156 |
| Power-Added Efficiency as a Function of Frequency | p. 157 |
| Summary | p. 160 |
| References | p. 162 |
| Waxing Hot and Cold | p. 163 |
| Adding Temperature as a Variable | p. 163 |
| Small Signal Gain Sensitivity to Temperature | p. 164 |
| Saturated Power Output Sensitivity to Temperature | p. 166 |
| Noise Figure Sensitivity to Temperature | p. 168 |
| Summary | p. 173 |
| Problems | p. 174 |
| Probably Not as Expected | p. 175 |
| Accounting for Parameter Variability | p. 175 |
| Risk Analysis Spreadsheet Add-In Software | p. 176 |
| Useful Probability Density Functions | p. 176 |
| The Normal (Gaussian) Probability Density Function | p. 177 |
| The Weibull Probability Density Function | p. 179 |
| Develop Conventions for Applying Probability in Device and Circuit Models | p. 185 |
| Modeling Single Stage Amplifier Small Signal Gain Statistics | p. 187 |
| Modeling Multiple Cascaded Stages on the Same MMIC | p. 189 |
| Modeling Cascaded Independent Amplifiers | p. 192 |
| Amplifier Saturated Power Output Statistics | p. 196 |
| Modeling Population Variations of Small Signal Gain as a Function of Frequency | p. 199 |
| Using Gain and Saturated Power Output Statistics in the Nonlinear Amplifier Behavioral Model | p. 200 |
| Summary | p. 203 |
| Problems | p. 204 |
| References | p. 205 |
| Making More Better | p. 207 |
| Obtaining Optimum Performance from Cascaded Amplifier Stages | p. 207 |
| The Noise Figure, Third Order Intercept, Power Consumption Trade Space | p. 208 |
| Joint Intercept Point (JIP) Is Defined | p. 209 |
| A Given JIP Can Be Satisfied by an Infinite Set of IIP[subscript 2] and OIP[subscript 1] Value Combinations | p. 210 |
| Use a Spreadsheet to Develop the Trade Space | p. 211 |
| The Noise Figure, Current Consumption, Input Third-Order Intercept Trade Space | p. 218 |
| Expanding the Trade Space to More Than Two Amplifier Stages | p. 219 |
| Trades Involving Number of Amplifier Stages and Amplifier Stage Small Signal Gain | p. 221 |
| Assign 7 dB Small Signal Gain to All Three Stages | p. 225 |
| Compare Results Obtained from the Two-Stage and Three-Stage Study | p. 228 |
| Developing a Power Amplifier Design Trade Space | p. 230 |
| Find an Optimum Ratio of Saturated Power Output Stage to Stage | p. 234 |
| Compression Depth in Multistage Power Amplifiers | p. 240 |
| Compression Phase Shift in Multistage Power Amplifiers | p. 240 |
| Summary | p. 241 |
| Problems | p. 242 |
| Models Upon Models | p. 243 |
| The Sum of All Models | p. 243 |
| Suballocating System Parameters to Subsystem Requirements | p. 245 |
| Summary | p. 293 |
| Problem | p. 293 |
| Odds and Ends | p. 295 |
| Odds and Ends | p. 295 |
| Modeling S-Parameters as a Function of Bias Current, RF Power, and Control Functions Over Frequency | p. 296 |
| Modeling a Single Impulse in Time with a Closed-Form Equation | p. 323 |
| Modeling a Sine Wave Burst in Time | p. 326 |
| Modeling Junction Capacitance Under Forward or Reverse Bias with a Single Equation | p. 327 |
| Summary | p. 332 |
| Problems | p. 334 |
| Answers to Problems | p. 335 |
| Computing Input Third-Order Intercept of Cascaded Amplifier Stages | p. 341 |
| Noise Figure Degradation Due to Cascading Circuit Elements | p. 345 |
| List of Symbols | p. 349 |
| About the Author | p. 355 |
| Index | p. 357 |
| Table of Contents provided by Syndetics. All Rights Reserved. |