射頻電子實驗手冊 [實驗6] 阻抗匹配模擬
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This document discusses using the Smith Chart tool in ADS (Advanced Design System) for impedance matching circuits at different frequency ranges. It covers defining the source and load impedances on the Smith Chart, using the Z-Chart and Y-Chart variations, examining the Q factor on the Smith Chart, and designing basic matching networks like L-sections and T-sections directly on the Smith Chart in ADS.
射頻電子實驗手冊 [實驗6] 阻抗匹配模擬
- 1. 6.1 ADS LC Smith Chart ADS Q 6.2 Smith Chart ( L sZ Z∗ = ) Smith Chart 2.4 GHz (100 + j25)Ω 50 ( 50 ) 6.2.1 (1) Smith Chart Matching (2) Smith Chart Matching Network ( ADS smart components ) 6.1
- 2. 1 6.2.2 (1) ADS Tools， Smith Chart。 (2) Smart Component Sync Update Smith Chart Utility from SmartComponent 6.2 Smith Chart 6.3 Smith Chart 6.3.1 Smith Chart (1) Freq 2.4 GHz (2) 6.3 Define Source/Load Network Terminations Network Terminations (3) Source Impedance ( ) 50 Ω Resistive Load Impedance ( ) (100 + j25)Ω ， Complex Impedance (4) Enable Source Terminations Enable Load Terminations
- 3. 2 6.3 6.3.2 Z-Chart (1) (Z-Chart) Smith Chart (r ) Smith Chart r ( Smith Chart Smith Chart ) 6.4 Z-Chart
- 4. 3 6.3.3 Y-Chart (1) (Y-Chart) Smith Chart (g ) Smith Chart g ( Smith Chart Smith Chart ) 6.5 Y-Chart 6.3.4 Smith Chart (1) 6.6 LC Smith Chart ( 50 Ω ) ( 6.6 ) (2) Network Response Type( ) Trace( ) Network Schematic
- 5. 4 6.6 6.4 Q Q (Q ) Smith Chart Q 6.4.1 Q (1) Smith Chart Circle→Q (2) Q Q Q
- 6. 5 6.7 Q 6.4.2 Q (1) Q Q 6.8 Q=2 Q=5 Q=5 ( S11) 6.8 Q
- 7. 6 6.4.3 (1) Smith Chart ”Build ADS Circuit” ADS (2) ADS Push Into Hierarchy (3) Pop Out 6.9 6.5 ADS Smith Chart Smith Chart Q L π 、T 。 Q