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计算机、工作站生成的ＲＧＢ视频信号的带宽远高于标准电视信号，对其切换控制必须使用宽带视频切换器。从这一需求出发，重点分析了带宽和隔离度两项关键指标，并以８×８通用切换器为例，叙述了宽带切换器的电路模块组成和界面结构。
Computers, workstations generate RGB video signal bandwidth is much higher than the standard television signal, the switch control for its use of broadband video switcher. Based on this requirement, the key indexes of bandwidth and isolation are analyzed emphatically. Taking the 8 × 8 Universal Switcher as an example, the circuit module structure and interface structure of the Broadband Switcher are described.