How does a DC power supply work?

February 14, 2025common problems 2840

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。

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How to use VNA?
February 14, 2025 337
Vector network analyzers measure a wide variety of devices and networks and offer a wide range of measurements for a variety of usage scenarios, such as spectrum analysis, pulse measurements, power amplifier (PA) characterization, and active device testing. The following guide describes how to set up a network analyzer for measurements, calibrate the measurement system, and interpret the measurement results: The uses of VANs are so wide-ranging that each measurement...
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What is Keysight PathWave BenchVue Software?
February 14, 2025 686
Keysight PathWave BenchVue software includes and hosts a variety of applications. BenchVue applications help you control your test instruments and streamline your testing process. PathWave BenchVue software allows you to connect to, control, and capture data from a growing range of Keysight instruments. Most function generators come with PC application software that allows you to connect...
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How to use a digital multimeter
February 14, 2025 447
Digital multimeters are used, and this article will detail their advantages and disadvantages. ■ SUMMARY Electronic devices are powered by electricity. However, because electricity is invisible, it is necessary to use measuring instruments such as digital multimeters to check their safety and quality and to find out why malfunctions occur. Digital multimeters have so many buttons and ports that many people find them difficult to manipulate at first...
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What are spectrum analyzers used for?
February 14, 2025 504
Spectrum analyzers measure the amplitude of an input signal versus frequency over the entire frequency range to determine the power of the signal. Spectrum analyzers are capable of performing tests such as noise figure and signal-to-noise ratio (SNR) to characterize the performance of a device and its contribution to overall system performance. For more information, see the application guide Spectrum Analysis Basics. ,
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How does a DC power supply work?

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