基本安装步骤
线路终接
仪器使用无源环通参考输入,因此,环通回路输入必须在外部终接。该外
部终端必须满足精度和回波损耗要求。
如果仪器安装用来监视运行链路,则目标接收机和连接电缆将充当终端。
这种监视连接检查整个通路的性能。仪器的回波损耗非常高,因此在大多
数情况下目标接收机都设定系统回波损耗。
如果仪器被置于链路的末端,则必须在环通回路参考连接器的一端安装一
个 BNC 终端。该终端必须为 75 Ω 且为直流耦合(良好的回波损耗延伸
至直流)。部件号为 011-0163-00 的 Tektronix 部件便是 EXT REF 连接
器的合适终端,它是 75 Ω 的线端终端。
BNC 中心针脚的兼容性
视频设备的大部分 BNC 连接器,不管是 50 Ω 的还是 75 Ω 的,都使用
50 Ω 标准中心针。有些实验室用的 75 Ω BNC 连接器使用更小直径的中
心针。仪器上的 BNC 连接器设计使用 50 Ω 标准(大直径)中心针。
不要使用带有更小中心针的连接器或终接器。这可能导致连接断续。
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WVR5250 Installation and Safety Instructions
Summary of Contents for WVR5250
Page 1: ...xx WVR5250 Waveform Rasterizer Installation and Safety ZZZ Instructions P071315300 071 3153 00...
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Page 36: ...AC 50 Hz 60 Hz AC100 240 V 10 30 WVR5250 Installation and Safety Instructions...
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Page 44: ...SDI 1 CD SDI 38 WVR5250 Installation and Safety Instructions...
Page 45: ...HDMI HDMI 1 HDMI 3D HDMI REF 1 1 75 WVR5250 Installation and Safety Instructions 39...
Page 50: ...Input CONFIG 44 WVR5250 Installation and Safety Instructions...
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Page 86: ...REMOTE REMOTE LTC REMOTE REMOTE 15 D 80 WVR5250 Installation and Safety Instructions...
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Page 91: ...8 HDMI OUT SDI WVR5250 Installation and Safety Instructions 85...
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Page 93: ...REF 75 WVR5250 Installation and Safety Instructions 87...
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Page 98: ...RGB YPbPr Configuration Configuration CONFIG 92 WVR5250 Installation and Safety Instructions...