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What is the difference between a DC power supply and an AC power supply?
366交流电适用于通过电网系统远距离输电和配电。 直流电是一种单向电荷流，比交流电更可靠，但不适合远距离输电。 大多数电子器件都使用直流电，因为它们的电压是恒定不变的，例如使用电池供电的器件。 有些器件也会使用整流器将交流电转换为直流电。 电源通常具有内...
View Full VersionWhat is an AC power supply?
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。
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What is the purpose of an oscilloscope?
171Test engineers and developers use oscilloscopes to display, visualize graphs, and analyze electrical signals during research and development, verification, quality assurance, and troubleshooting or debugging of electronic systems, boards, and integrated circuits. Oscilloscopes play a key role in a variety of applications and technologies across all industries, including high-speed digital electronics, optical communications, RF, power electronics, automotive and aerospace...
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How do I measure resistance?
290Wondering about resistance measurement methods! In this article, we will cover basic resistance measurements and precautions. Resistance is very important in electronic device circuits. If the resistance is not appropriate, it can lead to malfunctions and other problems. However, electricity is not visible. To find out if the resistance in a circuit is appropriate, you need to use a specialized measuring instrument. To measure resistance, you need to use a measuring instrument...
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What is a Real Time Spectrum Analyzer (RSA/RTSA)?
383Real-time spectrum analyzers can collect data in the time domain and then convert it to the frequency domain using the Fast Fourier Transform (FFT). Real-time spectrum analyzers can quickly capture transient and fast signals. ,
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