STR/LH/8/240/REF1/AR

Measuring power supply ripple itself is a skill. Figure 1 shows an example of improper use of an oscilloscope to measure power supply ripple. Several mistakes were made in this example. The first w...[Details]

0Introduction One of the applications of short-range wireless voice communication is wireless walkie-talkie. This communication method is generally single-mode with the same frequency, which b...[Details]

Working principle of bidirectional thyristor 1. The thyristor is a P1N1P2N2 four-layer three-terminal structure element with three PN junctions. When analyzing the principle, it can be regarde...[Details]

      Apple phone users should all know that iCloud accounts can store some private information such as contacts, messages, memos, photos, etc. synchronously with all Apple devices logged into the ac...[Details]

Note: Silicon IDE and Keil software must be installed before downloading the program Keil installation: 　　Please go to Keil official website:  https://www.keil.com/c51/demo/eval/c51.htm to download a...[Details]

At the beginning of 2019, the Party Committee of State Grid Corporation of China, guided by Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era, thoroughly implemented the ne...[Details]

OnePlus has always been a niche boutique. In the past one or two years, it has achieved a lot, including entering the US operator sales system, maintaining a top five position in the price range abov...[Details]

　　The main test parameters of Tektronix current probes include DC accuracy, rise time, square wave response, noise, and measured current waveform of switching power supply switch tube. Current probes...[Details]

According to Jiwei.com, MediaTek issued an announcement that in response to the company's financial planning, its subsidiary Sigmastar Technology Inc. will dispose of the equity of Xiamen Xingchen Te...[Details]

On August 14, from General Motors, Ford to Volkswagen to Toyota, automakers are working to phase out fuel vehicles. Although electric vehicles help reduce harmful emissions and curb climate warming, ...[Details]

Relatively common circuit The circuit diagram is as follows: Figure 1. Driver circuit for NMOS Figure 2 Driver circuit for PMOS Here we only make a simple analysis...[Details]

High-brightness LEDs have brought continuous changes to the lighting industry, adding more flexibility and intelligence to various lighting systems, including white light and color light desi...[Details]

Linear's LT3791 is a synchronous four-switch boost-buck LED driver controller that can make VIN higher, lower or equal to VOUT, with an efficiency of up to 98.5%, an input voltage of 4.7V~60V, an o...[Details]

作为集成电路产业链上重要的一环，IC设计是最具发展活力和创新的上游环节，因此全球也孕育出了成千上万的IC设计公司。近年来，国内IC设计公司更是如雨后春笋般崛起，据中国半导体行业协会统计，从2016年开始，中国大陆IC设计企业数量显著增加，截至2019年11月底，全国共有1780家设计企业，2020年，这一数字增长到2218家。 How can you stand out among many I...[Details]

1 Introduction Pulse measurement is a measurement to detect whether there is a pulse. When there is a pulse, the light is blocked, and when there is no pulse, the light is highly transparent. The s...[Details]