How do I use a digital multimeter?

February 14, 2025common problems 2560

数字万用表是一种多功能的测试测量工具，可以测量多种类型的信号。如欲详细了解如何测量电压、电流、2 线电阻、4 线电阻、电容、温度、二极管和振荡信号频率，以及如何检查导通性，请点击下面的链接访问我们的博客。

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How does a spectrum analyzer work?
February 14, 2025 477
A 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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What are the different types of oscilloscopes?
February 14, 2025 557
All modern oscilloscopes are digital storage oscilloscopes (DSOs) that use digital signal processing to capture and display analog signals. If the oscilloscope has the ability to observe these signals simultaneously in the digital domain, it is a mixed-signal oscilloscope (MSO). If the oscilloscope has a built-in spectrum analyzer function, it is a mixed-domain oscilloscope (MDO), although this term is less common. ,,...
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What is a variable DC power supply?
February 14, 2025 275
It is a power supply where the user can vary the output voltage. YesTech variable DC power supplies allow you to change the output voltage and current to the device under test. ,
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How to use VNA?
February 14, 2025 336
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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How do I use a digital multimeter?

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