Figure 4-4 Mismatch In Power Measurements - Keysight V3500A User Manual

4 RF Measurement Basics
90
Z
g
V
g
Signal
source

Figure 4-4 Mismatch in power measurements

The reflection coefficient of a device (Γ
impedance relative to Z
of the system).
The reflection coefficient of the source (Γ
Similarly, the reflection coefficient (Γ
defined as:
) is a measure of its
g
(Z is the characteristic impedance
0 0
g
Z – Z
g 0
----------------- -
Γ
=
g
Z + Z
g 0
) of the load is
l
Z – Z
l 0
Γ ---------------- -
=
l
Z + Z
l 0
Z
l
Load
) is defined as:
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