Specifications

41
Page 81
安捷倫科技高頻元件量測研討會
Feb.23, 2006
4 Port Differential VNA Techniques Applied to Tyco Electronics HM-Zd
Legacy Backplane System
16 inches, 30
inches backplane
2 inches,
daughter card
2 inches,
daughter card
Total channel lengths: 26 inches, 40 inches
Page 82
安捷倫科技高頻元件量測研討會
Feb.23, 2006
4 Port Single-ended S-parameters
1
3
2
4
(and their return paths!)
44434241
34333231
24232221
14131211
SSSS
SSSS
SSSS
SSSS
Stimulus
Response
Interpreting single ended measurements:
S
11
: return loss, single ended
S
21
= S
12
: insertion loss, single ended
S
31
= S
13
: near end cross talk
S
41
= S
14
: far end cross talk
in
out
in,out
P
P
S
=