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1. What are plasma, plasma screen and plasma TV?
1. Plasma: As the temperature rises, general substances appear as solid, liquid and gas in turn. They are collectively called the three s...[Details]
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MOS transistors have been shrunk in size since their invention decades ago. Reductions in gate oxide thickness, channel length, and width have driven significant reductions in overall circuit ...[Details]
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In the blink of an eye, Audi digital lighting has entered the 2.0 era. This generation of digital headlights has expanded the functional range and design freedom, and realized communication with th...[Details]
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Integrate WiFi interfaces into all applications
For IoT, it is very common to connect devices via WiFi. But high-performance WiFi connectivity requires RF-specific circuit design, wh...[Details]
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There are two triggering modes for the external interrupt of the 51 MCU: level triggering and edge triggering. When level triggering is selected, the MCU checks the interrupt source line in each machi...[Details]
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The industry is currently discussing "de-powering", which includes not using a power supply at all or removing some functional modules of the power supply. De-powering can also be done at different ...[Details]
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Now looking back on my experience when I first started learning microcontrollers, I was most impressed and felt that the most difficult thing to learn was the circuit. At that time, I watched a video...[Details]
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principle: Ultrasonics: Ultrasonic waves have strong directivity, consume energy slowly, and can propagate over long distances in the medium, so they can be used to measure distance. The ultrasonic...[Details]
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On May 14, 2015, Huawei announced that its entire series of intelligent string photovoltaic inverters, SUN2000, had passed the testing and certification by Beijing Jianheng Certification Center, ...[Details]
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Temperature and humidity control are widely used in people's production and life. For agricultural product seeds, there are relatively strict requirements for environmental temperature and humidit...[Details]
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The 400W high-power voltage-stabilizing inverter circuit is composed of TL494. The excitation conversion part uses TL494, and VT1, VT2, VD3, and VD4 form a current-injection drive circuit to drive tw...[Details]
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A key performance parameter of power amplifiers used in mobile communication networks is nonlinear distortion. However, excessive nonlinear distortion will increase the bit error rate (BER), resulting...[Details]
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Recently, the General Office of the People's Government of the Inner Mongolia Autonomous Region issued the "Several Policies of the Inner Mongolia Autonomous Region to Support the Development of Ne...[Details]
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vivo previously launched two mobile phones, X60t and X60t Pro+, equipped with Dimensity 1100 and Qualcomm Snapdragon 888 SoC respectively. All mobile phones in this series are equipped with Zeiss ima...[Details]
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There are three control modes for the current- controlled switching power supply system: peak current control, average current control and hysteresis current control. Figure 1 shows the block diagram...[Details]