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How do I use an oscilloscope?
701There are many brands and types of oscilloscopes on the market and they may look different, but most have the same basic steps. Here is a step-by-step guide on how to use an oscilloscope: ,
View Full VersionHow does a DC power supply work?
A DC power supply converts alternating current (AC) electricity to DC electricity either by a linear method or by a switching method. Switching power supplies are more efficient, lighter in weight and smaller in form factor. Linear power supplies can achieve lower noise, but this is no longer an advantage with modern switching power supplies.
Previous. How do I use a DC power supply?NEXT STORY. What is a benchtop DC power supply?
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What is the difference between an oscilloscope and a spectrum analyzer/signal analyzer?
457We 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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How does a spectrum analyzer work?
876A signal that looks very complex in the time domain behaves quite differently in the frequency domain. Time domain measurements show an impure sine wave. Without frequency domain measurements, it is still impossible to know the source and frequency of the second harmonic. Spectral analysis can show the spectral components individually, thus revealing the source of the interference. The information provided in the time domain (e.g., the signal pulse on...
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How do I measure resistance?
678Wondering 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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