Seagate Savvio 10K Savvio 10K.1 SAS Product Manual - Page 76
Compliance interconnect test load, Zero-length test load, ISI
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Figure 22 shows the compliance interconnect test load. Tx+ Tx- TCTF 10 nF 50 ohm Probe points 10 nF 50 ohm SAS internal connector Figure 22. Compliance interconnect test load Figure 23 shows the zero-length test load. Tx+ Tx- 10 nF 50 ohm Probe points 10 nF 50 ohm SAS internal connector Figure 23. Zero-length test load Figure 24 shows an ISI loss example at 3.0 Gbps. S 21 (dB) 0 Compliance interconnect magnitude response and ISI loss example for 3.0 Gbps ISI loss > 3.9 dB -10.9 dB Sample compliance interconnect 0.3 1.5 3.0 Frequency (GHz) Figure 24. ISI loss example at 3.0 Gbps 70 Savvio SAS Product Manual, Rev. D
70
Savvio SAS Product Manual, Rev. D
Figure 22 shows the compliance interconnect test load.
Figure 22.
Compliance interconnect test load
Figure 23 shows the zero-length test load.
Figure 23.
Zero-length test load
Figure 24 shows an ISI loss example at 3.0 Gbps.
Figure 24.
ISI loss example at 3.0 Gbps
Tx+
Tx-
10 nF
50 ohm
50 ohm
Probe
points
SAS internal connector
TCTF
10 nF
Tx+
Tx-
10 nF
50 ohm
50 ohm
Probe
points
SAS internal connector
10 nF
ISI loss
> 3.9 dB
-10.9 dB
Frequency (GHz)
Sample compliance interconnect
0
3.0
1.5
0.3
S
21
(dB)
Compliance interconnect magnitude response and
ISI loss example for 3.0 Gbps