Disadvantages of passive filters: poor load capacity, no amplification effect, unsatisfactory characteristics, shallow edges, and mutual influence of various levels.
RC Filtering
1. Selection of C val...
[size=4]Power supply and clock are extremely critical links in the entire system design: if the power supply is unstable or incorrect, the system will work unstably at best, and the chip will be burne...
Hello friends, I am making a wireless charging board with QI protocol. I would like to ask you a question. I use half-bridge topology as the transmitter of wireless charging. However, the data from th...
[color=#000][font=微软雅黑]Linux interrupt programming is divided into the top half and the bottom half of the interruption [/font][/color] [color=#000][font=微软雅黑]The top half of the interruption: Do urge...
[align=left][color=rgb(25, 25, 25)][font="]With the rapid development of mobile phones, electronics, and communications industries, the PCB circuit board industry has also grown rapidly. People have h...
Serial communication method: Asynchronous communication: It uses a start bit to indicate the beginning of a character and a stop bit to indicate the end of a character. The format of each frame ...[Details]
With the development of computer technology, especially single-chip microcomputer technology, temperature has a great impact on people's lives and work, so it is necessary to collect temperature ...[Details]
1. Overview
In industrial control, many control processes have complex mechanisms, large lags, and the control objects have variable structures and time-varying characteristics. For a controlled qu...[Details]
Abbreviations ADC – Analog Digital Converter DAC – Digital Analog Converter DSP – Digital Signal Processing DFT – Discrete Fourier Transform EW – Electronic Warfare FFT – Fast Fourier Transform IF ...[Details]
Passive voltage probes are the most commonly used probes for oscilloscopes. While other specialty probes extend the scope and capabilities of an oscilloscope as a measurement system, general-purpose ...[Details]
TI's impedance tracking battery fuel gauge technology is a powerful adaptive algorithm that remembers how battery characteristics change over time. Combining this algorithm with the specific chemistr...[Details]
July 7 news, today, Zhang Guoquan, director of Xiaomi's system software department, posted on the social platform that MIUI's dark mode has been adapted and revised. At the same time, in respo...[Details]
This is a three-phase power supply diagram. Q1 and Q2 form one phase, Q3 and Q4 form one phase, and Q5 and Q6 form one phase. Each phase is controlled by the PWM control IC (CS5301) and condu...[Details]
Today (26), the Redmi Note 9 series was officially released. The 5G version of Note 9 is equipped with a Dimensity 800U processor, dual stereo speakers and a linear motor, a 5000mAh large battery, an...[Details]
In the current embedded application development process, C language has become the best choice for most occasions. In this way, the main function seems to be the starting point for granted - because C...[Details]
Apple’s new AirPods Pro headphones have been sold out across the entire US network. It is obvious that Apple has successfully created another "explosive" product, and AirPods Pro has become an indust...[Details]
In the past, I used RVDS IDE to burn and debug ARM programs. Although RVDS is an integrated debugging tool that is convenient to debug, sometimes I only know one thing and not the other. I only know t...[Details]
The leading products in the embedded system teaching platform market are based on ARM7 or ARM9 architecture. It is generally believed that ARM7 is a low-end product and ARM9 is a high-end product. The...[Details]
The above two pictures correspond to; If you want to display at position 00, the command code is (0x80+0x00 or 0x80) #include reg52.h #define uchar unsigned char #define uint unsi...[Details]
On November 1, the Guangzhou Municipal Bureau of Industry and Information Technology issued the "Implementation Plan for Promoting the Construction of New Energy Storage Industrial Parks in Guangzh...[Details]
Analogue and Mixed Signal
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