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[HDMI] HDMI 高频测试参数含义及实例异常分析应对
P:2008-12-03 09:00:29
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項次 | 量測參數 | 儀器 | Test set up | Spec. |
1 | Attenuation/Insertion Loss | NA | Transmission mode ( S21 or S12 ) | |
2 | Far-end Crosstalk | NA | Transmisson mode (S21 or S12 ) | <20dB/max @ 1~5GHz |
(串音) | ||||
3 | Differential Impedance | TDR | TDR mode Risetime ≤200ps | 100Ω+/-10Ω |
(原線材差動阻抗) | ||||
4 | Connector Impedance | TDR | TDR mode Risetime ≤200ps | 100Ω+/-15Ω(TYPE A) |
Transition area Impedance | 100Ω+/-25Ω(TYPE C ) | |||
過渡區(差動)阻抗 | ||||
5 | Inter-Pair Skew | TDR mode Risetime ≤200ps | 0.4 Tpixel (1.78 ns max ) | |
(差分對間延遲差) | ||||
6 | Intra-Pair Skew | TDR mode Risetime ≤200ps | 0.25 T bit ( 111 ps max ) | |
(差分對內延遲差) |
紅色部份值應該是錯的,
誰能告訴我正確的.
low-creep ACSR conductor - 低蠕变钢芯铝绞线 (0) 投诉
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