Yijingyuan Optoelectronics is a well-known brand in China's LED packaging industry. It specializes in providing a full range of LED components in various varieties. The products have independent intellectual property rights, and all performance indicators are at the leading level in the industry. It has first-class production and testing equipment represented by K&S, ASM, etc. All products meet ROHS requirements and have passed ISO9001/IATF16949 and other system certifications. The products are mainly sold in more than 20 provinces and cities in China and more than 10 countries in Southeast Asia, Europe and the United States. Yijingyuan has always put quality and reputation first, attaches great importance to the research and development of new products and the application of new technologies, and provides reliable guarantees for ultimately achieving customer goals and creating value for customers.
Earlier, the well-known industry analysis organization Yole Développement (Yole) published a forecast report on the future development of RF.First, let’s look at the smartphone sectorAccording to Yole...
[i=s] This post was last edited by bqgup on 2021-5-6 17:25 [/i] # HyperLynx High-Speed Circuit Design and Simulation (I) Transmission Line Impedance and Power Supply Impedance Equal Reflection Experim...
As modern heavy trucks develop towards more energy-saving, more comfortable, safer and smarter directions , especially after more electronic functions are added to the car, electronic applications in ...
RT: Subway doors use brushless DC servo motors, while elevator doors use all kinds of motors. I opened a few drive + control boards and found that they are basically C2000 series. The only difference ...
The ESP32-S2-Saola-1 development board, like other ESP8266/ESP32, downloads programs through serial port 0. The firmware can be downloaded using the onboard USB-to-serial chip, and esptool.py or Espre...
Today's players' pursuit of consoles is not only about performance, but also a cool appearance. Recently, a netizen has built a new platform and chose the Tt Core V71 case with a large side-transpa...[Details]
Bourns® SW miniature thermal protector (TCO) devices are designed to provide over-temperature protection for low current applications and can be used as over-temperature sensors. November 16, 2023 ...[Details]
This paper proposes a design scheme of quasi-resonant flyback switching power supply based on UCC28600 controller . The scheme analyzes the working principle and implementation method of quasi-...[Details]
"China is the world's largest and fastest-growing pure electric vehicle market, and Chinese OEMs are adopting ON Semiconductor's silicon carbide solutions because our chips and modules, such as the...[Details]
1. Reasons affecting the high output voltage of the switching power supply ⑴ The models with voltage doubler rectification in the transmitter may work in voltage doubler rectification state inco...[Details]
IQC (incoming quality control) means the quality control of incoming materials, or incoming material control for short. The reason why IQC is discussed here, rather than IPQC (process quality con...[Details]
introduction
Similar to the SEPIC DC/DC converter topology, the ZETA converter topology provides a positive output voltage from an input voltage that varies abo...[Details]
Recently, during the Shanghai Munich Electronics Show, Littelfuse Global Technical Marketing Manager Du Zhide introduced Littelfuse's new PxxxxS4xLRP series SOD-123FL 100A SIDACtor protection thyrist...[Details]
The inverter introduced in this article (see Figure 1) is mainly composed of MOS field effect tubes and ordinary power transformers. Its output power depends on the power of the MOS field effect tube...[Details]
Dual power switches are the most needed components in buildings today. Whether it is a commercial building, a residential building, or an industrial building, dual power switches for switching betw...[Details]
1. Door head LED strip screen
The LED strip screen on the door head has strong dynamics and bright colors, which can attract attention. It is mainly used to publish the latest advertising info...[Details]
Basic power supplies are the most common test equipment on workbenches around the world. Their basic purpose is to provide DC voltage and current. Rohde & Schwarz has launched the new R&S NGA100 se...[Details]
The repeater consists of two parts: the transmitting part and the receiving part. Figure 1 (a) shows the principle of the transmitting part circuit. The sound (audio) signal after frequency discrim...[Details]
1. Introduction ARM microprocessors have been widely used in industrial control, consumer electronics, communication systems and other fields. Matrix keyboard is a commonly used keyboard form, which ...[Details]
Power supply is an important component of every electronic device. According to the requirements of the International Electrotechnical Commission standard IEC 61000-3-2, the harmonic current compon...[Details]