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[HDMI-DP01A] HDMI1.4 Type D Plug with Power Fixture
[HDMI-DP01A] HDMI1.4 Type D Plug with Power Fixture
[HDMI-CR02AM] HDMI1.4 Active Type C Receptacle Fixture
[HDMI-CR02AM] HDMI1.4 Active Type C Receptacle Fixture
[HDMI-AP02AM] HDMI1.4 Type A Plug with Power Fixture
[HDMI-AP02AM] HDMI1.4 Type A Plug with Power Fixture
[HDMI-DP01A] HDMI1.4 Type D Plug with Power Fixture
[HDMI-DP01A] HDMI1.4 Type D Plug with Power Fixture
[HDMI-CP01A] HDMI1.4 Type C Plug with Power Fixture
[HDMI-CP01A] HDMI1.4 Type C Plug with Power Fixture
[SFP-P01AR] SFP+ Plug Fixture
[SFP-P01AR] SFP+ Plug Fixture
[LT-USB3.0-A] USB3.0 Standard Fixture Set
[LT-USB3.0-A] USB3.0 Standard Fixture Set
[USB3-BR01A] USB3.0 Type B Receptacle Fixture
[USB3-BR01A] USB3.0 Type B Receptacle Fixture
[USB3-MP01A] USB3.0 Micro-AB Plug Fixture
[USB3-MP01A] USB3.0 Micro-AB Plug Fixture
Keysight 85033E
Keysight 85033E

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USB TypeC/TBT3 Mated Connector Solution
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技術背景:

對於一個可以進行每對高速傳輸達10Gbps (USB Gen2)甚至於20Gbps (TBT3)的介面來說,任何其中的元件相對於更早之前的版本都嚴格許多. 可惜當USB Type C這個介面被發表後,卻沒有針對連接器進行高訊訊號完整性(SI)測試的認證.這對於整個系統來說,無疑是加入了不可確定的因素.
幸好在USB Type C1.2版發表後,雖然還是沒有將連接器高速訊號完整性測試當成認證時的必備條件,但在規格中提供了基本的條件建議,可以讓連接器廠商,或系統廠商根據此一建議設計及驗證連接器的特性.

USB Type C連接器高速訊號完整性測試內容:

此一連接器的SI測試,包含了底下測試參數:
>Mated Connector Impedance
>Differential Insertion Loss Fit at Nyquist Frequencies (ILFitatNq)
>Integrated Differential Multi-Reflection (IMR)
>Integrated Near-end Crosstalk on Supper-Speed (INEXT)
> Integrated Far-end Crosstalk on Supper-Speed (IFEXT)
>Differential Crosstalk on D+/D-
>Integrated Return Loss
>Differential to Common Mode Conversion (SCD21 and SCD12)
一個相互連接的USB Type C連接器,要符合上述的條件並不容易,有許多特徵與尺寸上的精準度是不可或缺的.因此,開發一顆好的連接器,除了需要有高精度的生產設備外,設計階段的訊號模擬(SI Simulation),生產後的驗證(SI Testing)都是必要的.

Posted on: 2017/7/11 15:37

Edited by webadmin on 2017/7/11 16:07:53
Edited by webadmin on 2017/7/11 16:56:58
Edited by webadmin on 2017/7/11 16:58:42
Edited by webadmin on 2017/7/12 10:24:16






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