Application of Real-Time Oscilloscopes in New Generation Optical Interface Time Domain Testing Introduction: When it comes to time domain testing of optical interface metrics, engineers often mention the sampling oscilloscope. This is because sampling oscilloscopes have unparalleled advantages in signal integrity: high bandwidth, low noise, and minimal quantization error (high vertical resolution). However, the downside … Read more
When talking about oscilloscopes, one cannot help but recall the time spent testing at Samsung.The first version of the product’s PCB was followed by time spent in the lab, racing against product cycles, with continuous validation and testing during that period.It has been a long time since I last tested; I feel a bit nostalgic … Read more
When it comes to oscilloscopes, many people might picture a device with a bunch of buttons and a small display screen. However, the latest oscilloscope released by the leading company Tektronix is sure to completely overturn your perception of traditional oscilloscopes.This lightweight and stylish tablet-like device is the new 2 Series MSO Mixed Signal Oscilloscope … Read more
Back in 1989, when I couldn’t afford an oscilloscope but really wanted one, I searched through all the bookstores in the county and finally found a schematic for making an oscilloscope using a television. After building it, I used it for many years. Now, finished oscilloscopes are everywhere, and I don’t know which mouse has … Read more
Abstract: With the increasing demands for signal transmission rates or resolution in fields such as wireless communication, radar, satellite communication, and optical communication, the modulation schemes used have become increasingly complex, and the signal bandwidth has widened. Modern real-time oscilloscopes, due to advancements in chip and material technology, can now provide real-time measurement bandwidths of … Read more
With the rapid development of electronic technology, communication signal frequencies are increasing, and the quality requirements for signals are becoming more stringent. Is it enough to just choose an expensive oscilloscope to measure these high-speed signals? Not necessarily; if some details are overlooked, even the most expensive oscilloscope may not provide accurate measurements! 1. Bandwidth … Read more
There are many key indicators for measuring the quality of an oscilloscope testing system, and the “Effective Number of Bits (ENOB)” is crucial for understanding the entire measurement system. This article will discuss the effective bits of oscilloscopes, the impact of ENOB on actual signal testing, and provide methods for solving it using EXCEL in … Read more
Recently, a colleague at the company asked me: “Can an oscilloscope be directly connected to the 220V voltage between the live wire and the neutral wire? Will it blow up?” Because it indeed exploded once before, it left a lingering fear~ I believe many of you have similar questions, so today I will summarize this … Read more
Editor’s Note: Oscilloscopes are almost an essential tool for electronic engineers, but not every engineer can use them effectively. This article shares seven common mistakes encountered when using oscilloscopes. These may align with what you’ve seen or differ, but of course, this is subjective. Ideally, all probes should be a wire that does not interfere … Read more
Editor’s Note: This article is primarily compiled from Keysight’s related content on probes. Oscilloscopes have expanded their application range due to the existence of probes, enabling online testing and analysis of the electronic circuits being measured, as shown in the figure below: Function of Oscilloscope Probes The selection and use of probes need to consider … Read more