A 4-channel oscilloscope is an advanced electronic instrument used for visualising and analysing multiple electrical signals simultaneously. It offers four input channels, each capable of displaying its own waveform on the oscilloscope's screen. This makes it possible to capture and compare up to four different signals in real-time, making 4-channel oscilloscopes ideal for applications that involve multiple signal sources or complex circuitry.

What do 4-Channel Oscilloscopes measure?

4-channel oscilloscopes are primarily used to measure and display electrical voltage waveforms. They can be used to measure various parameters of signals, including voltage amplitude, frequency, phase, rise/fall times, and more. Engineers and scientists use them for a wide range of applications, such as debugging circuits, analysing analogue and digital signals, and characterising electronic components.

How do Oscilloscopes Work?

• Oscilloscopes work by displaying voltage signals on a graphical screen. Here's a simplified overview of their operation:
• Input Signal -  you connect the signal you want to measure to one of the oscilloscope's input channels.
• Analogue-to-Digital Conversion - the oscilloscope converts the analogue voltage signal into a digital format for processing.
• Timebase and Vertical Amplification - ethe user sets the timebase (horizontal scale) and vertical amplification (vertical scale) to control how the signal is displayed.
• Display - the oscilloscope displays the voltage waveform on a screen, with time on the x-axis and voltage on the y-axis. In the case of a 4-channel oscilloscope, it can display up to four signals simultaneously.
• Measurement and Analysis - oscilloscopes often provide features for making various measurements on the displayed waveforms, such as voltage levels, frequency, pulse width, and more.

4-channel oscilloscopes are versatile tools for anyone working with electrical or electronic systems, offering the ability to simultaneously monitor multiple signals to understand their behaviour and troubleshoot issues effectively.