VII
Page
Stability Factors: Measures of Stability 282
Design for Maximum Gain 283
Amplifier Noise Figure 283
Examples 284
Example 8.1 BGB707 MMIC 284
Example 8.2 PMA-5453 MMIC 289
Example 8.3 Bipolar Transistor 291
Improving Amplifier Noise Figure and Stability 295
Bandwidth Limiting using Reflectionless Filters 295
Resistors at Output 297
Conclusion 302
References 302
Abbreviations 302
Chapter 9: Impedance Matching of Power Amplifiers 304
Introduction 304
RF Power Device Impedances 304
Large Signal Parameters 305
Types of Matching 305
Transformer Matching 305
LC Matching 305
Transmission Line Matching 305
Choice of Components and Q value 305
LC Matching 306
PI Network 307
Low Pass T Network 308
Bandpass L Network 309
Bandpass T Network 309
Capacitive Impedance Transformer 310
Example 9.1: 150 MHz, 35W Amplifier 311
PI Network 313
Low Pass T Network 314
Bandpass L Network 314
Bandpass T Network 315
Capacitive Impedance Transformer 315
Transformer Matching 317
Transmission-Line Matching 318
Broadband Matching 320
Example 9.2: Broadband Amplifier Using S Parameters 324
Example 9.3: Broadband Amplifier Using Device Models 332
References 339
Chapter 10: Operational Amplifiers 340
Introduction 340
Voltage Feedback Theory 340
Current Feedback Theory 241
Current and Voltage Feedback Amplifier Comparison 342
Example 10.1: High Impedance 0.01 - 20MHz Amplifier 343
RF Electronics: Design and Simulation
VII www.cadence.com/go/awr
