Test engineers and developers use oscilloscopes to display, visualize graphs, and analyze electrical signals during research and development, verification, quality assurance, and troubleshooting or debugging of electronic systems, boards, and integrated circuits. Oscilloscopes play a key role in a variety of applications and technologies across all industries, including high-speed digital electronics, optical communications, radio frequency, power electronics, automotive and aerospace and defense.
Oscilloscopes are key test instruments for observing, analyzing, or recording the behavior of electrical signals. Some specific use cases for oscilloscopes in electronics labs include measuring voltage waveforms, analyzing electronic signals, detecting unwanted noise and crosstalk, and evaluating harmful transients in power systems.
In high-speed signal analysis, oscilloscopes can measure signal integrity by displaying and measuring eye diagrams, including eye height and eye width. Mixed-signal oscilloscopes can help debug digital circuits by displaying the logic state and timing of measured digital signals. Advanced oscilloscopes can even help simulate ideal reference receivers for transmitter testing, measure fiber optic signals using optoelectronic converters, and analyze RF signals.
Because of their versatility, oscilloscopes have many different performance levels and software features depending on the application. They are indispensable tools in electronics development, troubleshooting and analysis.
Most handheld or benchtop digital multimeters display measurements digitally. The number of digits displayed on the screen usually represents the measurement resolution of the digital multimeter. Resolution is the smallest detail that a digital multimeter can quantitatively determine when making a measurement. Therefore, the more digits a digital multimeter displays, the higher its resolution. Handheld digital multimeters are typically capable of displaying three-and-a-half and four...
PathWave BenchVue software for waveform generators provides full-featured waveform creation software. This software enables engineers to take full advantage of signal generation capabilities to create custom waveforms quickly and easily. PathWave BenchVue Software is a PC application that provides easy-to-use creation tools such as a formula editor and waveform calculator and plotter...
The selection criteria for a VNA depends heavily on the application or usage scenario. Typically, selection criteria include frequency range, number of ports required (from 2 to 24 (multiport) and even 48 (with switching matrix)), output power, and instrument class from economy to handheld to high-end. Vector network analyzers are both signal generators and receivers...
What is resistance in electricity? This article will cover the basics of resistance, how to calculate resistance, and resistors. Many people have heard the word "resistance" when they were students, but may still not understand it. However, because they don't understand it, they are hesitant to ask people about it now. Simply put, resistance is a force that flows in the opposite direction of the current. Resistance...
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