A disadvantage of the cascade configuration is that the signal may pass through more than one switch contact to the device under test, causing higher losses in the signal.
级联配置的一个缺点是信号要经过多个开关触点才能到达被测装置，会造成信号的损耗更高。
Testing system, in which DSP is the part of core and CPLD is as peripheral circuit, controls operation parts, and test or incept the digital signal, analog signals and switch signals from exterior.
测试系统中采用了以数字信号处理器为核心，以复杂可编程逻辑器件为外围电路，来控制执行部件和测试与接收由外部返回的数字信号、模拟信号和开关信号。
A receptacle for each signal is mounted at the test fixture, and the cables are used to connect them to the switch CARDS.
在测试夹具上为每个信号安装一个插座，用电缆将其连接到开关卡。
Proceed from the design, topological structure of signal switch system and the switch of selection are presented, and the arrangement and configuration in the automatic test system are shown.
从应用设计的角度出发，介绍信号开关系统的拓扑结构、开关选择，并举例说明它在自动测试系统中的布局与配置。
A switch network for signal transmission test is designed which is suitable for microwave test system in ground station.
设计了一种适用于地面站微波测试系统中的信号传输开关网络。
A switch network for signal transmission test is designed which is suitable for microwave test system in ground station.
设计了一种适用于地面站微波测试系统中的信号传输开关网络。
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