Yuan Dean Technology Co., Ltd. (hereinafter referred to as YDS) is a manufacturer specializing in the manufacture of network transformers, RJ45 network port integrated filters, DC/DC micro-power power modules, AC/DC switching power supplies, and POE power transformers, and also accepts customized non-standard products. Since its establishment in Taiwan in 1990, it has been committed to providing outstanding quality services to global customers, and has gradually formed a production and manufacturing center in Asia in Taiwan, mainland China and other places. Yuan Dean Technology has factories and subsidiaries in China. It has currently established branches in Beijing and Shenzhen in China, and has established distribution agents in Xi'an, Chengdu, Wuhan, Zhejiang and other places to provide local customers with faster sales services, and has successfully introduced many regional agents to cooperate together. It has effectively improved the technical depth and application scope of the products, continuously developed and advanced to meet customer needs, and strived to achieve the goal of high efficiency and low cost. It has been gradually and rapidly recognized by mid- and high-end customers in the Chinese market.
God rewards hard work. In fact, every entrepreneur thinks that he is the smartest and is more or less self-righteous. If you are lucky, you will succeed. If you are unlucky, you should just pay tuitio...
Hello everyone, I am a beginner in WM6 programming, and now I want to make a UI. The problem is that I use VC++2005 and WIN32 to write it. As we all know, in Windows Mobile, when you enter a folder, t...
Anyone who has used ferroelectrics knows that their storage times are basically unlimited, but they are too expensive. Many times we have to consider using flash to replace ferroelectrics, but flash h...
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
DCDC means DC to DC (conversion of different DC power values). Anything that meets this definition can be called a DCDC converter. Specifically, it means converting the input DC into AC through a s...[Details]
At present, in the electrified section, the train power supply system is a passenger car power supply device installed in the locomotive (trailer) that steps down and rectifies the 25 kV single-phase ...[Details]
Central topic:
Basic concepts of GSM mobile phones.
Considerations in design and debugging of mobile phone power amplifiers. Considerations in mass production testing of mobile ...[Details]
Because we often design RF or low-frequency analog circuits, switching power supplies are rarely used in designs. However, in several cases, switching power supplies must be used to meet the perfor...[Details]
If a fixed clock is not used to initialize the on-time, but a detection circuit is used to effectively "sense" the first minimum or valley of the MOSFET (VDS) drain-source voltage and only start th...[Details]
1. Introduction
The novel bidirectional high-frequency link inverter has the advantages of bidirectional power flow, high-frequency electrical isolation, simple topology, and two-stage po...[Details]
Lithium-ion batteries are an ideal power source due to their high operating voltage, small size, light weight, no memory effect, no pollution, low self-discharge, and long cycle life. In actual use, i...[Details]
The 5965A/MAX5965B are quad, single-chip, -48V power-supply controllers designed for IEEE® 802.3af/pre-IEEE 802.3at-compliant power-sourcing equipment (PSE). These devices provide powered device (P...[Details]