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Input Reflection Coefficient

Input Reflection Coefficient. Let. and. r L = 0 --> Z L = jX L. r L = ∞. r L = 1 --> Z L =1+jX L. x L = 1. x L = -0.5. Complete Chart. Constant- r circles. Constant- x circles. Phillip Smith. Read a brief biography of Philip Smith: http://sss-mag.com/smith01.html.

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Input Reflection Coefficient

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  1. Input Reflection Coefficient Let and

  2. rL = 0 --> ZL=jXL • rL = ∞ • rL = 1 • --> ZL=1+jXL

  3. xL = 1 • xL = -0.5

  4. Complete Chart • Constant-r circles • Constant-xcircles Phillip Smith Read a brief biography of Philip Smith: http://sss-mag.com/smith01.html

  5. Black MagicDesign

  6. What Can We Do with the Smith Chart? • Reading Reflection Coefficient, Impedance/admittance, SWR(VSWR), Return Loss, … • Locating the loadon the chart • Impedance Matching • Moving around on the chart

  7. Reading Reflection Coefficient • ZL = 10+j25 Ω • zL= 0.2+j0.5 125° • ΓL = 0.725/125° 0.725 • Open? • Short? • Matched Load?

  8. And more …

  9. Reading Load Impedance • ΓL = 0.5/-90° • zL= 0.6-j0.8 If Z0 = 50 Ω • ZL = 30-j40 Ω

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