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Is it possible to generate DC power using an AC power supply?
522Can. Many AC power sources can produce DC directly, or by superimposing a DC bias on the AC waveform. ,
View Full VersionWhat is the difference between an oscilloscope and a spectrum analyzer?
示波器在时域内捕获和显示信号，而频谱分析仪在频域内捕获和显示信号。有时，示波器会内置频谱分析仪功能，方便在时域和频域内分析信号。
Previous. How does an oscilloscope work?NEXT STORY. How do I use an oscilloscope?
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How to build a DC power supply?
400You can build a DC power supply by converting AC to DC using an AC-DC converter or rectifier, and then using a voltage regulator to maintain a stable output voltage. The basic steps for constructing a DC power supply are as follows: Please note that constructing a power supply requires familiarity with electronic and electrical safety. It is best to consult a professional or use a pre-built kit to avoid danger. ,
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What is the difference between an oscilloscope and a spectrum analyzer/signal analyzer?
142We usually use time as a frame of reference, focusing on when certain specific events will occur. This includes electrical events. Oscilloscopes allow you to view the instantaneous value of a particular electrical event (or the voltage value of some other event converted by an appropriate transducer) over time. In other words, we can use an oscilloscope to view the waveform of a signal in the time domain. Fourier theory...
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What is the importance of waveform sequencing?
384Waveform sequencing lets you create multiple configured waveforms that contain multiple common segments. Sorting lets you build complex, long waveforms using as little instrument memory as possible. Waveform sequencing lets you save storage capacity by replaying shorter waveforms at different locations on the signal as needed. Many tests require long waveform memory records. The required record length...
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