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This is a half-bridge switch circuit driven by IC1 oscillator and T1. IC1 is a KW9712. When Ra and Rb are equal, the potential of IC1's ③ pin is equal to (1/2) VDD, and the duty ratio of ④ and ⑤ pins...[Details]
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While many people have not yet enjoyed wireless charging of mobile phones, wireless charging of cars is here. Recently, the China Electricity Council (CEC) approved and issued a set of national sta...[Details]
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The so-called programmable interface chip refers to an interface chip whose function can be changed by the instructions of the microprocessor. By programming, an interface chip can perform different ...[Details]
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The process of uboot: 1. Select the architecture of the microcontroller or platform in the overall make file. 2. Change clock configuration 3. Change the clock configuration related to the serial por...[Details]
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Recently, Xinhe Semiconductor Technology (Wuxi) Co., Ltd. (hereinafter referred to as "Xinhe Semiconductor") completed a new round of financing of over 100 million yuan. Investors include Hengxin Hua...[Details]
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On the evening of November 19, Tianhua Super Clean announced that the controlling shareholder Pei Zhenhua intends to transfer 27.5638 million shares (accounting for 5% of the company's total share ca...[Details]
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The conventional PID algorithm has defects, mainly: 1. When the deviation suddenly changes, the differential action only works within one cycle, which is also unreasonable; 2. When the input PV value...[Details]
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On July 20, Nasda stated in response to investors' questions that the radiation-proof chip researched by the company and the Chinese Academy of Sciences, namely phase change memory (PCRAM), has curre...[Details]
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Recently, TUV SUD Certification & Testing (China) Co., Ltd., a subsidiary of TUV SUD Group (hereinafter referred to as "TUV SUD"), awarded Wuhan Hicon Intelligent Electric Co., Ltd. (hereinafter refe...[Details]
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The full-scale high-density RNA microchip is about the size of a fingernail and can hold up to 780,000 unique RNA sequences, each occupying an area of about 14 x 14 μm². The presence and ...[Details]
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As OLED screen technology matures in recent years, it has been widely used in various terminal devices. In the past, the giants that produced LCD screens have begun to shut down LCD production lines ...[Details]
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Lighting electricity is an important source of global energy consumption. It is estimated that China's lighting electricity accounts for about 12% of the total electricity consumption. Among various l...[Details]
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Compile the toolchain yourself: If you want to make a toolchain based on gcc and glibc, you can use crosstool to compile; If you want to make a toolchain based on gcc and uClibc, you can use buil...[Details]
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This article describes the basic requirements and standard test methods for diode forward surge current testing. In view of the shortcomings of the standard test methods, a circuit solution using sig...[Details]
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The semiconductor laser market has become active as a light source for 3D sensing technologies such as LiDAR required for autonomous driving. One of them is VCSEL (Vertical Cavity Surface Emitting ...[Details]
Power technology
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