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MMIC Design LecturesIII-1HO

资料介绍
III-1HOIII-1. The Smith Chart

Chapter III.

Matching Networks and Signal Flow Graphs

ICE651 MMIC Design

III-1-1

III-1. The Smith Chart
(1) The Smith Chart-(0)
Polar Chart for Reflection Coefficient

Γ0

-2βd

From note II-1-11 the input reflection coefficient for a load connected with a transmission line of electrical length, βd

ΓIN(d)

ΓIN ( d ) = Γ0 e 2 jβ d

(38 )

-positive angles are plotted counterclockwise

ICE651 MMIC Design

III-1-2

III-1. The Smith Chart
(1) The Smith Chart-(1)
Smith Chart
“A polar chart of Γ upon which a normalized Z grid has been superimposed, while for the sake of clarity the Γ grid has been removed.”

- Characteristics of the Smith Chart (1) All possible values of Z and Y can be plotted on the Γ-plane (2) Easy conversion of Z to Y(and vice versa) (3) Dete……
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MMIC Design LecturesIII-1HO
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