7439W 060250

This is the era of 5G.   In one year, 5G information has converged, enterprises have risen to the top, and the intelligent world has become extremely broad. It is not only the soil for information tr...[Details]

1. Introduction In recent years, with the rapid development of microwave and millimeter wave technology, higher requirements have been put forward for broadband microwave and millimeter ...[Details]

Thermistors are a type of sensitive electronic components made of semiconductor materials. They are highly sensitive to temperature and can sense slight temperature changes. Their resistance value ...[Details]

Recently, Shanghai Lingang issued the revised "Several Policies on the Clustered Development of Artificial Intelligence Industry in the Lingang New Area of ​​the China (Shanghai) Pilot Free Trade Zon...[Details]

1. Instrument model: Agilent E4403B spectrum analyzer; 2. Fault description: Power-on self-test error ①LO UNLOCK ② Reference Frequency Error; 3. Whole machine inspection: a) After testing, it was...[Details]

Recently, Samsung's official Ukrainian website accidentally leaked a high-definition rendering of what is suspected to be the Note20 Ultra. The color is bronze, which is very similar to the self-made...[Details]

Samsung is actively preparing for the new flagship Note 10, which will be released in August. According to the supply chain, Samsung is also increasing orders for the S10, which will be released in t...[Details]

Introduction The motor drive system is the core part of electric vehicles . According to the type of motor used, it can be divided into a DC motor drive system and an AC motor drive system . In the ...[Details]

      Recently, Honor Mobile announced that the dual-view recording function of the Honor 30 mobile phone has now been upgraded, that is, the front and rear cameras of the mobile phone can shoot vide...[Details]

With the development of society and the growth of population, people need to face severe challenges of environment and resources, so the new generation of lighting fixtures---solar LED street lights ...[Details]

The three-phase relay protection tester uses a rotating mouse, which greatly simplifies the structure of the operation part, making the operation simple, fast and easy to master. The host uses a high...[Details]

The English name is "Device Driver", and the full name is "Device Driver". It is a special program that enables computers and devices to communicate. It can be said to be equivalent to the interface o...[Details]

　　After a long warm-up, sodium-ion batteries finally took the stage. On July 29, CATL officially launched sodium-ion batteries, which can be fully charged to 80% in 15 minutes at room temperature. At...[Details]

         I. Introduction 　　Electromagnetic compatibility (EMC) refers to the electronic equipment or system not reducing its performance index due to electromagnetic interference under the specified...[Details]

Efficiency is the basic indicator of any switching power supply. The first thing to consider when designing any switching power supply is efficiency optimization, especially for portable products...[Details]