Specifications

5
Page 9
安捷倫科技高頻元件量測研討會
Feb.23, 2006
Distance Formula
Where
ν
p
= velocity of
propagation
T = transit time
from monitoring point
to the mismatch and
back
2
T
D
p
⋅= υ
Z
L
Why is the transit time
divided by two?
Mismatches Location
Page 10
安捷倫科技高頻元件量測研討會
Feb.23, 2006
The shape of the reflected
wave reveals the nature and
magnitude of the mismatch
What is the nature of each
of the loads shown at the
right?
a) SHORT
b) OPEN
c) IMPEDANCE > Z
0
d) IMPEDANCE < Z
0
1
0
0
+=
+
−
ZZ
ZZ
L
L
1
0
0
−=
+
−
ZZ
ZZ
L
L
Z = ?
Z = ?
Simple Loads Reflection Analyzing