In many tester using standard need in the sine signal detection some physical quantities.
在许多测试仪中需要用标准的正弦信号检测一些物理量。
A continuity tester injects an AC signal into the conductors of a cable to find circuit faults.
一个连续性测试器给电缆导线注入交流信号，从而找到电路故障。
Methods An input circuit impedance tester with metal shells that could shield part of the external interference signal was made;
方法：自制输入阻抗测试仪，采用金属外壳可屏蔽部分外部的干扰信号；
This course is designed to explain the detail concepts with technical application in mixed-signal testing. This course is not tester oriented.
这个课程说明了混合信号测试应用技术的详细概念，课程不是以测试设备为导向的。
This course is designed to explain the detail concepts with technical application in mixed-signal testing. This course is not tester oriented.
这个课程说明了混合信号测试应用技术的详细概念，课程不是以测试设备为导向的。
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