-
1 Introduction Portable Media Player (PMP) is a hot topic discussed by semiconductor suppliers. PMP is a consumer entertainment product with the core function of playing multimedia files, inc...[Details]
-
1 Introduction With the development of miniaturization technology of electronic engineering systems such as aerospace , the whole power supply system has begun to adopt a distributed power su...[Details]
-
1. Formula Three-phase AC, poor power supply makes people anxious; Investigate the cause according to the phenomenon, use your ears and eyes to observe and use a meter; There is no sound when the pow...[Details]
-
Interrupts are set up to enable the microcontroller to handle random external or internal events. The 51 microcontroller has 5 interrupt sources, that is, when there are 5 corresponding situations, th...[Details]
-
Many medical, process control, and industrial automation applications require precise temperature measurements to perform their functions. Resistive temperature detectors (RTDs) are commonly used as...[Details]
-
Earlier today, foreign media reported that Apple is preparing a new iPhone, which will make a big fuss about the interface, and it is very likely that the lightning interface will be removed. ...[Details]
-
Text/Wang Weimin
2019 is a crucial year for promoting the consumption of new energy. According to data released by the National Energy Administration, in the first half of this year, the natio...[Details]
-
In fact, the flyback output voltage of the push-pull transformer switching power supply cannot be ignored. The output voltage of the secondary coil of the push-pull transformer switching power supp...[Details]
-
When using buttons in a single-chip microcomputer system, if you only need to press the button once to add 1 or subtract 1, then you can use the knowledge learned in Chapter 8 to complete it. However...[Details]
-
1 Introduction Power electronic products are widely used in the field of industrial control, and users have higher and higher requirements for power quality, among which the most prominent are volt...[Details]
-
According to the Science and Technology Innovation Board Daily, Zhou Zixue, Chairman and Executive Director of SMIC, said in an online roadshow today that the company's over-subscribed funds will be ...[Details]
-
In this video, let's talk about video signals. We know that oscilloscopes can be divided into analog and digital oscilloscopes, and video signals can also be divided into analog and digital. Today we...[Details]
-
Abstract: The basic principle and internal structure of PWM modulation amplifier MSK4225 are introduced. With it as the core, combined with single-chip microcomputer and DDS chip, a hardware circui...[Details]
-
The main driver chip is IXDD614, with a peak drive current of 14A and a normal drive current of 4A, so it can be used in high-power, high-frequency applications (with ZCS IGBT). I added some componen...[Details]
-
Intelligence and lightweight have become the development direction of the future automobile industry, and advanced automotive materials have become an important part of it and a hot topic of concer...[Details]