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测试工程师利用任意波形发生器，只需几步即可验证电路的设计：
(1) 激活输出控制；
(2) 选择要生成的波形；
(3) 将输出端连接到被测器件；
(4) 使用示波器验证被测器件的性能。
In-phase quadrature modulation (IQ modulation) is the main modulation scheme used in communication applications. It is popular because of its efficient use of bandwidth, meeting the increasingly urgent need for bandwidth in a world where data volumes are growing exponentially. It is important to test with simulated IQ signals because designers are always faced with a lack of bandwidth in an interference-ridden spectrum. Example...
View Full VersionIf you want to measure current, voltage, etc., you need specialized measuring equipment. Analog and digital multimeters are usually used to measure current, but the circuit must be cut off and the multimeter and the circuit connected in series in order to make the measurement. However, it is not uncommon that it is not possible to disconnect the circuit in some cases. In addition, there is a danger of electric shock when the circuit is disconnected. In this case the clamp meter...
View Full Version网络分析仪可执行元器件表征测试。 网络分析仪向射频网络或被测器件（DUT）提供经过校准的激励信号，并通过相位和幅度信息测量频率上的矢量响应。 一台 VNA 即可获得传输（传输系数、插入损耗、增益）、反射（反射系数、VSWR、回波损耗）和阻抗测量结果，以及 s 参...
View Full VersionMost handheld or benchtop digital multimeters display measurements digitally. The number of digits displayed on the screen usually represents the measurement resolution of the digital multimeter. Resolution is the smallest detail that a digital multimeter can quantitatively determine when making a measurement. Therefore, the more digits a digital multimeter displays, the higher its resolution. Handheld digital multimeters are typically capable of displaying three-and-a-half and four...
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