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When developing battery-powered devices, especially systems with strict requirements on the standby or operating time of the device, such as mobile phones, it becomes increasingly important to reduce...[Details]

The audio amplifier shown here is based on the TDA7240 IC from STMicroelectronics. The TDA 7240 is an integrated audio amplifier IC that provides 20 Watts of audio output power into a 4 Ohm load. T...[Details]

The electric vehicle (EV) market is expected to grow rapidly as automakers upgrade their designs and EVs become more popular around the world, with EVs expected to account for 20% of global new car...[Details]

The full-bridge switching power supply driver module is designed with two IR2101 and TL494. The circuit structure is simple and powerful. The following circuit can directly use 1KW-1.5KW switching po...[Details]

1 Design Principles 1.1 Magnetic Field Theory According to Maxwell's electromagnetic field theory, alternating current will generate an alternating electromagnetic field around it. The frequen...[Details]

1 PCI interface design principle 1.1 Introduction to PCI Bus Protocol Here we only discuss the PCI bus 2.0 protocol. Other protocols are just some extensions based on 2.0. As far as the c...[Details]

The 133 trillion won investment announced by Samsung this year will be used to enhance its competitiveness in chip design (SystemLSI) and chip manufacturing (Foundry) businesses; TSMC itself is also ...[Details]

1.1 Obtain the Linux kernel source code There are many ways to obtain the Linux kernel source code. If your Linux platform can access the Internet, you can directly enter the following command on t...[Details]

In industrial manufacturing, only when every dimension and process step is under control can we have 100% confidence in the quality of the product. After day-by-day verification, Huayifeng has deve...[Details]

Silicon Controlled Switch (SCS) Silicon Controlled Switch (SCS) is also called four-terminal low-power thyristor. It is a novel and multi...[Details]

192*64 LCD driver program written by Keil C51. Thanks to many netizens for providing reference source programs. This program is adapted based on the programs provided by netizens. There are many pl...[Details]

1. How to use the capture function of the timer. Introduction: The input capture function is very useful in frequency (or period) and pulse width measurement applications.     #define FOSC 80E6 //D...[Details]

The reason for the light decay of white LEDs: the decline of phosphor performance So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]

According to Jiwei.com, on July 22, according to data from Russian retailers, in June 2021, Xiaomi smartphones ranked first in sales in the Russian market, and the company and its sub-brand Poco's sh...[Details]

DC-DC converters are very commonly used in battery-powered devices or other applications that require power conservation. Similar to linear regulators, DC-DC converters can generate a lower regulat...[Details]