How does a DC power supply work?

February 14, 2025common problems 2780

直流电源通过线性方法或开关方法将交流（AC）电转换为直流电。开关电源的效率更高、重量更轻、外形更小巧。线性电源可以实现更低的噪声，但在现代开关电源面前，这已经不再是一个优势。

What are DC power supplies used for?
February 14, 2025 326
A DC power supply provides a constant bias voltage or current to an electrical device, component, or circuit to ensure that the device under test operates as intended. ,
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How to build a DC power supply?
February 14, 2025 331
您可以使用交流—直流转换器或整流器将交流电转换为直流电，然后使用稳压器来维持稳定的输出电压，如此构成直流电源。构建直流电源的基本步骤如下：请注意，构建电源需要熟悉电子和电气安全知识。最好是咨询专业人士或是使用预制套件，以免发生危险。 ,
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What is an oscilloscope?
February 14, 2025 389
示波器是一种测试仪器，用于捕获和显示电信号随时间变化的波形图。例如，它可以在其显示屏上绘制电压（y轴）与时间（x轴）的图形。示波器是设计和测试电子设备的强大工具。它们在判断系统设备组件是否正常工作以及哪些组件发生故障方面起着非常重要的作用。它们...
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How do I calibrate my spectrum analyzer?
February 14, 2025 334
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
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