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In this paper, a CMOS phase-locked loop (PLL) circuit with a wide frequency range is designed. By improving the current mirror image accuracy of the charge pump circuit and adding a switching noise c...[Details]
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This program mainly realizes the acquisition of DS18B20 temperature sensor data and transmits the temperature data to the computer using serial communication.
Note: When using the Puzhong Technology ...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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In the process of electric energy transmission and distribution,
power
transformers are the core of energy conversion and transmission. They are the only way for energy sources in all walks...[Details]
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Bus Idle State
When the SDA and SCL signal lines of the I2C bus are both at high level, it is defined as the idle state of the bus. At this time, the output stage field effect transistors of e...[Details]
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Abstract: This reference design demonstrates the use of the MAX9736 Class D audio amplifier in a stereo audio, docking station application. The MAX9736 2.1 demo box is a complete powered speaker dock ...[Details]
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OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robo...[Details]
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In a conference hall in Fort Worth, Texas, a wonderful conference for the aerospace industry was coming to an end. After the last keynote speech, the engineers, researchers and business leaders who a...[Details]
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On June 11, iFLYTEK's stock price suddenly collapsed during trading, falling by more than 9% at one point, approaching the limit. As of press time, the stock price was quoted at 58 yuan per share, a ...[Details]
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The largest wafer foundry in mainland China, SMIC, was listed on the A-share market yesterday. Its market value quickly exceeded 600 billion yuan, reaching a peak of more than 650 billion yuan. TSMC ...[Details]
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The microcontroller source program is as follows: #include "Main.h" SIGNAL(SIG_OVERFLOW0) //The interrupt sends a number every 1 second { TCNT0 = 200; TIMSK &= ~_BV(TOIE0);...[Details]
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Scrambling and descrambling technology
Scrambling and descrambling technology is used to encrypt and decrypt digital programs. Its basic principle is to use the method of scrambling control wo...[Details]
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With the increasing popularity of computer technology, computer-aided film evaluation systems are becoming more and more popular among inspectors. Aiming at the porosity defects of films, a computer-...[Details]
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The rapid development of electronic technology and microcomputers has promoted the rapid development and widespread application of microcomputer control technology. Small and medium-sized single-...[Details]
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On October 15, Zhang Huamin, chief researcher of Dalian Institute of Chemical Physics, Chinese Academy of Sciences, and Ma Xiangkun, professor of Dalian Maritime University, visited the company and...[Details]