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Buck Converter Also known as a buck converter, it is a single-tube non-isolated DC converter with an output voltage lower than the input voltage. In the figure, Q is a switch tube, and ...[Details]
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The 12864 small screen in the LPC2148 development board of Litian Electronics does not have a font library, and there is no so-called left and right screens, upper and lower screens, it is a whole sc...[Details]
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At present, photovoltaic power generation devices have been widely used in communications, transportation, electricity and agricultural and pastoral areas in remote areas. However, due to unre...[Details]
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On the afternoon of June 18, China Energy Engineering held a press conference in Beijing to implement the "30·60" strategic goal action plan (white paper). Song Hailiang, secretary of the Party...[Details]
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After ASUS Zenfone 7 was exposed on Xianyu, the phone was exposed again by digital blogger @顺顺数码pro, and the leaked photos are clearer this time. It is confirmed that ASUS Zenfone 7 will use a rotati...[Details]
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By mid-2021, shortages and price increases are no longer uncommon in the power semiconductor field. Imported IGBTs were out of stock in the second half of 2019, and MOSFETs also entered a shortage cy...[Details]
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ML4835 PFC controller circuit
Figure ML4835 PFC controller circuit
The power factor correction circuit of ML4835 is a boost PFC control circuit with peak or average current detection, which on...[Details]
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AHB is the abbreviation of Advanced High performance Bus, which is a kind of "system bus". AHB is mainly used for the connection between high-performance modules (such as CPU, DMA and DSP, etc.). The ...[Details]
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Working principle of PLC controller
The working principle of the PLC (Programmable Logic Controller) controller is to achieve automatic control through the coordinated work of multiple modules...[Details]
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Sina Digital News reported on the afternoon of September 3 that Qualcomm launched a number of chips during the IFA Berlin International Consumer Electronics Show, covering a variety of termina...[Details]
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Carbon and sulfur are important elements that determine the specifications and quality of steel products. Cast iron is carbon content above 1.70%, and steel is carbon content below 1.70%. Steel with a...[Details]
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1 System hardware design
The system structure is shown in Figure 1. The 51 series single-chip microcomputers AT89C55 and AT89C51 produced by ATMEL are used as the core, of which the host uses A...[Details]
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1 Introduction SVPWM is widely used in 3-phase inverter control systems because it has a higher DC side voltage utilization efficiency than sinusoidal pulse width modulation (SPWM). Although SVPWM h...[Details]
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On June 1, Xi Liping, Director of the Technical Department of the Henan Provincial State Security Bureau, led a delegation of 12 people, including leaders from the Software Department of the Provin...[Details]
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1 Virtual Simulation in the Wave of Intelligent Driving
Virtual simulation testing has played a huge role in reducing costs and increasing efficiency in algorithm development, and is an indisp...[Details]
Analogue and Mixed Signal
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