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Brief steps for normal use of oscilloscope: (The first 3 steps must be done and the last step is optional, referred to as 3+1) (Summary: First zero adjustment, second amplitude adjustment, third time...[Details]

Zhou Lin, Li Hanjiang, Jie Bao, Li Haixiao, and Nie Li, researchers from the State Key Laboratory of Power Transmission and Distribution Equipment and System Safety and New Technologies (Chongqing Uni...[Details]

Recently, the Qingdao Municipal People's Government announced the list of Qingdao's key projects in 2023. Among them, there are 363 key construction projects, 157 key preparation projects, and 13 h...[Details]

Most handheld devices use two types of battery chargers , linear chargers and switching chargers . Linear chargers have a long history of simple and effecti...[Details]

Although the beginning of spring has passed, old man Winter still wants to show that he is still in good shape. Shaking is still the standard for workers who go out early and come back ...[Details]

According to Jiwei.com, since May this year, the impact of Sino-US trade frictions on domestic industrial chain manufacturers has begun to manifest; especially after the news of the supply cut by Ame...[Details]

Using TL494 to drive 12V to 24V CCFL power supply CCFL (cold cathode lamp) dimming by PWM uses TL494 to drive 12V to 24V CCFL power supply. If you are interested in making it, the following circuit...[Details]

With the widespread application of embedded systems, a large number of 16-bit and 32-bit embedded processors have emerged. The traditional 8-bit microcontroller has been used in production practi...[Details]

The Tektronix PA1000 is a single-phase, single-channel power analysis solution optimized for fast, efficient and accurate power consumption analysis according to international standards. With its com...[Details]

1 Introduction Data storage is an important part of the data acquisition process. At present, most data storage systems use the method of built-in industrial computers to complete data pre...[Details]

1.2 File input and output functions     Keyboards, displays, printers, disk drives and other logical devices can all be input and output through file management methods. Disk files are the most co...[Details]

　　For the sake of simplicity, we equate the single-excitation transformer switching power supply to the circuit shown in Figure 2-1, in which we regard the DC input voltage as a series of DC pulse vo...[Details]

It is the end of another year. Looking back at 2019, the new and old forces confronted each other head-on, technological innovation accelerated the reconstruction of the pattern, and the business eco...[Details]

Recently, when I was using the stm32f4-discovery board, I accidentally encountered the problem of st-link no target connected. It was working normally before, but suddenly this problem popped up. I t...[Details]

All-solid-state batteries are ushering in a big "all in" gamble. Various players have "come to the table" one after another. Let's first look at the four most recent patent information, ...[Details]