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With the improvement of people's living standards and the enhancement of security awareness, it is urgent to develop an automatic alarm system that is affordable and reliable for the general public...[Details]
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Analysis of some common problems in turbine flowmeters: When using the turbine flowmeter, the measured liquid must be kept clean and must not contain impurities such as fibers and particles. When the...[Details]
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设计一种能够产生连续电弧的高压开关电源可能是具有挑战性的。这种小巧高效的开关电源在输出功率为 20W 时可输出 1kV电压，并能耐受连续电弧（即短路）（图 1）。它使用标准的市售元件。使用R1将开关稳压控制器LTC1871设定在120kHz的额定工作频率。该电路像间断式回扫电路一样工作，在 C1上产生 333V 电压。二极管/电容器电荷泵倍增器把该电压升高到三倍，在输出端产生1000V 电压...[Details]
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1 Introduction
For high-precision sensors, temperature error has become a serious obstacle to improving their performance, especially in applications where the ambient temperature changes greatly...[Details]
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Abstract: For the first time, a new idea of duty cycle extended high frequency pulse DC link inverter is proposed, and the working principle of the soft switching inverter and the three-state dis...[Details]
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370 CPU socket test points
1. Physical picture
The above picture is the physical picture of 370CPU and 370 socket
2. Test Points
...[Details]
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On August 12, it was reported that Loongson Technology is currently developing the next-generation desktop processors 3B6600 and 3B7000 series. In an interview with China Electronics News this mont...[Details]
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In the Wobble oscillator circuit, A and B form a 2Hz oscillator, which become C and D gates, and C and D form a 1kHz oscillator to drive the TIP31 speaker driver.
...[Details]
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u8 KEY_Scan(u8 mode)
{
static u8 key_up=1;//button press and release flag
if(mode)key_up=1; //Support continuous pressing
if(key_up&&(KEY0==0||KEY1==0||KEY2==0||KEY3==1))
{
delay_ms(10); //de...[Details]
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Startup interrupt vector table ;******************************************************************************* ; ExcepTIon vectors ;******************************************************************...[Details]
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When a relatively high voltage rail (12V) must be stepped down to relatively low levels (3.3V, 1.8V), the converter traditionally used is a DC/DC switching controller driving an external MOSFET. I...[Details]
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A voice generator circuit is a device that modifies normal human voice into the typical robotic voice we usually encounter in movies or games.
The concept of the circuit's operation is actuall...[Details]
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Recently, I need to use an oscilloscope in the laboratory. Although it has some simple measurement functions, there are still many things I don't know as a novice. So I simply searched for in...[Details]
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Abstract: This paper studies the electromagnetic compatibility problem in the high-frequency and high-voltage pulse source based on MOS solid-state switches. By analyzing the spectrum distribution ...[Details]
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On October 21, Tang Chuanle, deputy director of China National Nuclear Corporation Equipment, led a team to visit and exchange with Herui Electric Power. The company's chairman Yang Lin, general ma...[Details]
MEMS sensors
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