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What is an oscilloscope? What can an oscilloscope be used for?
Category: Company News
Release time: 2025-03-05
An oscilloscope is a multifunctional electronic measuring instrument primarily used to observe and analyze the waveform of electrical signals as they change over time. It converts invisible electrical signals into visible images, facilitating the study of various electrical phenomena by researchers and technicians.
Its main purpose is to display repetitive or single waveforms on the screen, allowing for analysis of the displayed waveform's amplitude, frequency, rise time, time interval, distortion, and other attributes. An oscilloscope consists of an electron tube amplifier, a scanning oscillator, a cathode ray tube, etc. In addition to observing current waveforms, oscilloscopes can also measure frequency and voltage intensity.
Working principle of an oscilloscope:
The working principle of an oscilloscope is based on the precise observation of voltage signal waveform changes, thereby providing an in-depth analysis of the circuit's operating state.
Inside the oscilloscope, the voltage signal is cleverly converted into a waveform displayed by an electron beam on the screen. The vertical amplifier and horizontal scanner are the core components of the oscilloscope.
The vertical amplifier amplifies the voltage signal, ensuring that the observer can clearly capture subtle changes in the signal; while the horizontal scanner precisely controls the electron beam's trajectory on the screen.
The main functions of an oscilloscope include:
An oscilloscope is an instrument used to observe the relationship between the voltage of an electrical signal and time, used to analyze the time-domain characteristics of a signal.
Intuitive testing of signal period, phase, edge time, and comparison of multiple signals; it allows for intuitive observation of the amplitude change pattern of the signal over time.
What can an oscilloscope measure?
Basic waveform parameter measurement and circuit anomaly diagnosis
High-speed signal integrity analysis (eye diagram, jitter analysis)
Standard bus compliance analysis (USB, PCIe, DDR, HDMI, etc.)
Serial signal decoding (I2C, SPI, CAN, etc.)
Modulation analysis of broadband signals (UWB, radar, etc.)
An oscilloscope is a powerful tool capable of measuring and analyzing various electrical signals, playing an indispensable role in electronic engineering, communications, and scientific research.
Key word: What is an oscilloscope? What can an oscilloscope be used for?
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