3B-04

Traditional planar or trench MOSFET switches with rise/fall times of 30ns to 60ns are gradually being replaced by power switches such as superjunction MOSFETs with switching times of less than 5ns. T...[Details]

　1. Principle of LED driving circuit 　　1 Overview 　　The principle of LED light emission is to add a forward voltage at both ends of it, so that the minority carriers and majority carriers in the semi...[Details]

Recently, after certification and review by the Chinese Customs Expert Group, Guangzhou Penghui Energy Technology Co., Ltd. (referred to as "Penghui Energy", stock code: 300438) obtained the highes...[Details]

Recently, China's mainland panel giant BOE held a low-key shipping ceremony for the iPhone 13 OLED panel. The news that its flexible OLED panel production line dedicated to Apple in its B11 factory i...[Details]

Interview with Dr. Jiashu Chen, CEO of Calterah Microelectronics Compared with lidar, cameras and other sensors, millimeter-wave radar has all-weather and all-day detection capabilities and can sti...[Details]

[Introduction: For drivers, the rearview mirror is one of the essential and most important auto accessories in driving a car. However, when driving, the rearview mirror sometimes becomes a drawback t...[Details]

To design a product, we must first determine which LED package structure to use; then consider how to adapt to these packages; we have few options, and the optical structure is built on these pac...[Details]

　　The oscilloscope is a commonly used electronic measuring instrument, which is widely used in many fields. The oscilloscope is mainly used to detect electrical signals such as voltage, current, frequ...[Details]

According to foreign media reports, researchers at Cornell University have discovered the root cause of long-standing limitations on the durability of sodium-ion batteries and provided manufacturers ...[Details]

1 Design concept of non-contact electroscope The electrical tester developed this time is mainly used for monitoring medium and high voltage transmission lines in railways. Its desig...[Details]

1.CPU working mode (Mode) ARM CPU has seven modes, as shown in the figure below. Note that you cannot enter other modes in user mode. User mode is used for applications when there is an operating sys...[Details]

Passive resonators and active oscillators are well-known timing elements. More complex components include clock generators, synchronizers, and jitter attenuators. The main purpose of timing in auto...[Details]

In the GPIO experiment, we first wrote an assembly program to operate the register to light up the LED. However, the readability and portability of assembly language are too poor, so we wrote the sta...[Details]

With the widespread use of embedded systems in consumer electronics and industrial equipment, power consumption has begun to become a core feature of microprocessors, just like clock speed and syst...[Details]

In the past , when LEDs were only used as status indicators, heat dissipation in LED packages was never a problem. However, in recent years, as LED brightness and power ...[Details]