搜索 - 科创

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引用 784295641:感谢各位捧场，统一回复下吧，我决定暂时先不出了，自己先研究下，第一次玩尝尝鲜。问过那二手老板说是某个公司倒闭的，清了两个出来，一个配遥控器的被别人拿了，这个都没得就被他拿了，...

继续重新把仪器的输出端口连接到双工器TX端口，假负载改接RX端口。从中间向TX侧依次反复微调三颗螺丝，使mark1的读数最小。正常情况下应优于-90dB。此时读mark2的S参数，即为双工器对发射...

（选自ADI公司网站）高性能模数转换器（ADC）“前端”的输入配置设计对达到要求的系统性能至关重要。优化总体设计取决于很多因素，包括应用性质、系统组成和ADC的结构。以下的问答主要节绍了使用放大器...

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