AWR eBooks

Table of Contents III 4.3.1 L-Section Matching ..................................................................................................... 175 4.3.2 Loaded Q & Frequency Response ............................................................................... 179 4.3.3 Three elements Matching ........................................................................................... 183 4.4 Matching any two complex impedances - Smith Chart Matching ...................................... 184 4.4.1 Introduction – The Impedance Smith Chart................................................................ 184 4.4.2 Admittance Smith Chart .............................................................................................. 187 4.4.3 Admittance and Impedance Coordinates ................................................................... 189 4.5 Discrete vs Distributed elements ........................................................................................ 191 4.6 S-Parameters, Impedance and Smith Charts in MWO ........................................................ 195 4.7 Video Tutorials .................................................................................................................... 198 5 Amplifier Design .......................................................................................................................... 200 5.1 Introduction – The transistor at Radio Frequency .............................................................. 200 5.1.1 Linear Models for BJTs ................................................................................................ 200 5.1.2 Input Impedance ......................................................................................................... 202 5.1.3 Output Impedance ...................................................................................................... 203 5.1.4 Feedback Characteristics ............................................................................................ 204 5.1.5 Gain ............................................................................................................................. 205 5.2 Two-port S-Parameter characterisation of a transistor ...................................................... 206 5.3 Amplifier Design Stages ...................................................................................................... 208 5.3.1 Stage 1 - Biasing .......................................................................................................... 208 5.3.2 Stage 2 – Stabilisation ................................................................................................. 210 5.3.3 Stage 3 - Impedance Matching ................................................................................... 213 5.4 Writing and Importing S-parameter files ............................................................................ 219 5.5 Video Tutorials .................................................................................................................... 220 Conquer Radio Frequency V www.cadence.com/go/awr

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