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1. Background:
I used C8051 a long time ago. Now I need to use C8051 again. But I forget all the experience I had a year ago.
Basically, it is almost done. Even the most basic GPIO port c...[Details]
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1. Chip heating
This is mainly for high-voltage driver chips with built-in power modulators. If the current consumed by the chip is 2mA, and a voltage of 300V is applied to the chip, the power c...[Details]
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在CDMA系统中分配给各个用户的扩频码如果没有严格正交,将会引起用户之间的相互干扰,即多址干扰。随着用户数的增多,多址干扰的增强,用户的误码性能会变差。另一方面,移动用户的位置不断变化及深度衰落的存在,强功率用户的信号会抑制弱功率用户的信号,系统性能严重弱化,即所谓的远近效应,因此抑制MAI和远近效应以提高系统的性能,增加容量是十分迫切的要求,而多用户检测技术成为近年来的主要解决方法之一。
多...[Details]
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s3c2410
interrupt program
It is important to distinguish between the interrupt vector table and the exception vector table. After an interrupt occurs, it always enters from the I...[Details]
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July 21 news This afternoon, ROG gaming phone official announced through social media that ROG gaming phone 3 is equipped with a 6000mAh large-capacity battery. IT Home learned that ROG Ga...[Details]
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Using a single-chip microcomputer to play music is probably one of the issues that single-chip microcomputer enthusiasts are interested in. Here we use the experimental board provided by the websit...[Details]
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As of the end of April, the 2022 annual reports of 36 listed companies in Guizhou have been disclosed, and they have achieved good results in profitability, asset quality, financing scale, etc. The to...[Details]
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On November 2, Del Complex announced a "BlueSea Frontier Compute Cluster (BSFCC)", an AI platform that can float on international waters. According to reports, the platform’s goal is to circumvent ...[Details]
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Since the project requires a 5.0-inch touch screen, I chose a capacitive touch screen with an RGB565 interface and decided to use the STM32F407+SSD1963 driver solution. The whole process was basicall...[Details]
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1. Determine whether the circuit or device is energized The digital AC voltage range is very sensitive, and it can display even a small induced voltage around. Based on this feature, it can be used a...[Details]
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1 Introduction
Vision is the main way for humans and animals to perceive the size, brightness, color, movement and stillness of external objects, and is of great significance to the survival o...[Details]
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Vector network analyzer is a kind of electromagnetic wave energy testing equipment. It can measure the amplitude and phase of various parameters of a single-port network or a two-port network. The ve...[Details]
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Spring is the best season of the year. This spring, the term "new quality productivity" has become the most popular one. On March 28, the Shenzhen International Industrial Manufacturing Technology ...[Details]
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CA8331 power quality analyzer product introduction: Designed for the energy conservation and harmonic management industries, the CA8331 power quality analyzer can provide a snapshot of key electrical...[Details]
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0 Introduction
Belt conveyor is the most ideal high-efficiency continuous transportation equipment for coal mines. Compared with other transportation equipment (such as locomotives), it ha...[Details]