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交流电源负责向负载提供交流电。 电源输入可以是交流，也可以是直流。由于墙上插座的电源不符合负载的技术指标要求，因此您需要交流电源。 为了使负载正常工作，您需要对交流电源进行变压，将来自电源的交流功率调谐到器件所要求的电压、电流和频率。 这可以通过升高或降低电压，然后对信号进行滤波来实现。
您可以使用交流电源来进行测试。 交流电源可以仿真电网断电、谐波、浪涌或可能导致被测器件（DUT）故障的其他事件。
You can use the Keysight U9361 RCal Receiver Calibrator to perform an accurate and reliable calibration of your spectrum analyzer/signal analyzer by following these steps: Learn more about how to calibrate a spectrum analyzer. , and
View Full Version串联两个直流电源需要将第一个电源的正极连接到第二个电源的负极， 形成“菊花链”连接，串联电压为两个电源的电压之和。 串联两个直流电源的步骤如下： 请注意，负载的电压应当等于或高于两个电源的电压之和，以防损坏负载或电源。 此外，负载的额定...
View Full VersionThe Function Generator provides a preset list of waveforms or code patterns that it can generate. In a function generator, the user can change waveform parameters such as frequency, amplitude, and offset, as well as add simple distortion. Arbitrary waveform generators are more complex and can emulate real-world signals. Arbitrary waveform generators utilize pre-stored digital data to generate these waveforms,...
View Full VersionIn-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...
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