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1 Introduction
Due to the inconsistency of power grid indicators in countries around the world, export electrical appliance manufacturers need power supplies to simulate power grid conditions ...[Details]
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In electronic measurement, it is often necessary to measure the impedance characteristics and transmission characteristics of the circuit network, among which the transmission characteristics incl...[Details]
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After the release of the long-range version of the domestically produced Model 3, NIO is under the greatest pressure. The ES6, which is currently the main product, has a very high target in the secon...[Details]
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#include
#define uint unsigned int //Macro definition
sbit SPK=P3^5; //Define speaker port
void delay(uint z)
{
uint x,y;
for(x=z;x 0;x--)
for(y=110;y 0;y--);
}
...[Details]
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On the 9th, the Japanese government rejected South Korea's proposal for negotiations and reiterated that it has no intention of lifting controls on the export of raw materials to South Korea's semico...[Details]
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Current probes allow an oscilloscope to measure current, expanding its uses beyond measuring voltage. Basically, the probe senses the flow of current through a conductor and converts the current i...[Details]
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The variable frequency power analyzer is a measuring instrument that is often used in industrial production. So when you use the variable frequency power analyzer, do you understand the general block ...[Details]
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In a wide range of low-power applications such as USB adapters, mobile phone chargers, and system bias supplies, low-cost quasi-resonant/discontinuous-mode flyback converters are a popular choice (...[Details]
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The timer of the microcontroller is indeed very powerful. It occupies more than 100 pages in the reference manual, which is more than 1/4 of the reference manual. The timers of STM32 are divided into...[Details]
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On February 19, a signing ceremony for the Tairuimei Precision Manufacturing Project in Yangzhou Economic and Technological Development Zone was held. The total investment of the Tairuimei Precisio...[Details]
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Even the design of ordinary DC to DC switching converters in power supply design will have a series of problems, especially in high-power power supply design. In addition to functional consideration...[Details]
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0 Preface
In recent years, the number of cars has continued to increase. Although cars have brought convenience to people's daily lives, they have also caused serious environmental problems. Ther...[Details]
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Today I want to introduce the startup code of STM32. I am using the medium-capacity STM32f103c8t6 here. The corresponding startup file is startup_stm32f10x_md.s. My startup file version is V3.6.2 W...[Details]
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Digital modems have been widely used in point-to-point data transmission. Conventional binary digital modems are based on
analog
carriers, and require analog signal sources when implementin...[Details]
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2.1.2.2 Shot Noise
In some devices, there is another kind of white noise that does not conform to the thermal noise model in (2-4) and is related to the carrier motion barrier in the active region ...[Details]
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