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MMIC Design Lectures II-3HO

资料介绍
II-3HOII-3. Scattering Matrix
(1) Normalized Voltage Waves-(1)
1-port NW : to/from the Load
V + ( x) = Z 0 a( x) V ( x) = Z 0 b( x)

Normalized Waves
v( x) ≡ V ( x) Z0 V + ( x) Z0 V ( x) Z0

1

x
Incident wave to the Load

i ( x) ≡ Z 0 I ( x) a ( x) ≡ b( x ) ≡

∴ v ( x ) = a ( x ) + b( x )
i ( x) = a ( x ) b( x )

(4) (5)

Ae

jβx

≡ V ( x)

+

Reflected wave from the Load

Be + jβx ≡ V ( x)
Then the voltage and current waves are
V ( x) = V ( x) + V ( x) I ( x) = I ( x) I ( x) V + ( x) V ( x) = Z0 Z0
+ +

and

(1) (2)
a ( x) = b( x) =

b( x ) = Γ ( x) a ( x )

(6)

The normalized incident and reflected v. w.s are

Also, the reflection coefficients are V ( x) Γ( x) = + (3) V ( x)

1 [v( x) + i( x)] = 1 [V ( x) + Z 0 I ( x)] 2 2 Z0

(7) (8)

1 [v( x) i( x)] = 1 [V ( x) Z 0 I ( x)……
标签:II-3HO
MMIC Design Lectures II-3HO
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