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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.
In-phase quadrature modulation (IQ modulation) is the main modulation scheme used in communication applications. It is popular because of its efficient use of bandwidth, meeting the increasingly urgent need for bandwidth in a world where data volumes are growing exponentially. It is important to test with simulated IQ signals because designers are always faced with a lack of bandwidth in an interference-ridden spectrum. Example...
View Full VersionYou 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. ,
View Full VersionWhat does the frequency of electricity mean? Here are the basics of frequency, regionality, and measurement Since electricity and voltage are invisible things, many people will think they are elusive. But in fact, they are only invisible, and it is not difficult to understand them. Below, we will introduce the frequency basis of electricity and voltage in an easy-to-understand way, regional differences in frequency, and how...
View Full VersionA digital multimeter is a versatile test and measurement tool that can measure many types of signals. To learn more about how to measure voltage, current, 2-wire resistance, 4-wire resistance, capacitance, temperature, diode and oscillating signal frequencies, as well as how to check for conductivity, visit our blog by clicking the link below. How to use a digital multimeter ,
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