● ● ● The input impedance at Port 2 with the 1/4 T.L. and the 2 resistor Even-Mode Analysis (Vg2 = Vg3 = 2V) Zin in (-1) = And Zin = 1 Now we obtain Z² ZL For port 2 to be matched, Z = √2 impedance > Z² - 1 2 V₂ = Vo And by even symmetry, V₂ = V₁ 2 V₁ + Port 1 Z 2/4 1 Port 2 +V₂ Port 2 +V₂ 1 1 2V0 2V Сс

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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RF Microwaves: I don't understand how this person got from diagram 1 to diagram 2. Can someone explain? Where did the 2 ohm resistor before +V2e come from? 

• The input impedance at
Port 2 with the 1/4 T.L.
and the 2 resistor
●
Even-Mode Analysis (Vg2 = Vg3 = 2V)
Z²
Z²
Zin (-1) - 2 - 3
=
=
ZL 2
For port 2 to be matched,
Z = √2
And Zin
1
Now we obtain
=
16:41 Input impedance >
V₂ = Vo
And by even symmetry,
V₂ = V₁
2
V₁ +
Port 1
Z
2/4
1
Port 2
+V₂
Port 2
+V₂
1
2V
2V
Transcribed Image Text:• The input impedance at Port 2 with the 1/4 T.L. and the 2 resistor ● Even-Mode Analysis (Vg2 = Vg3 = 2V) Z² Z² Zin (-1) - 2 - 3 = = ZL 2 For port 2 to be matched, Z = √2 And Zin 1 Now we obtain = 16:41 Input impedance > V₂ = Vo And by even symmetry, V₂ = V₁ 2 V₁ + Port 1 Z 2/4 1 Port 2 +V₂ Port 2 +V₂ 1 2V 2V
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