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Impedance Matching

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basic matching concepts 2High Frequency Design

MATCHING NETWORKS

From April 2006 High Frequency Electronics Copyright 2006 Summit Technical Media

The Yin-Yang of Matching: Part 2―Practical Matching Techniques
By Randy Rhea Consultant to Agilent Technologies

The conclusion of this article covers transmission line matching networks, plus a discussion of how characteristics of the load affects matching bandwidth and the choice of network topologies

The Standard QuarterWavelength Transmission Line Transformer

where ρload = ZL ′ 1 ZL ′ +1 (43)

well-known distributed matching network is the quarter-wavelength long transmission line transformer. I will refer to this network as a type 11. The characteristic impedance of this line is given by Z0 = RS RL (41)

A

ρmax =

(Im [ρ ])
Re [ρload ]
load

2

+ Re [ρload ]
……
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Impedance Matching
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