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Bipolar symmetrical regulated power supply circuit (LM7812, LM7912)
As shown in the figure, it is a bipolar symmetrical voltage-stabilized power supply circuit. It uses two three-terminal volta...[Details]
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The example of a flyback converter is used to explain the calculation of output capacitance. This example is an RCC topology with an output power of 6W, an output voltage of 5V, and an output vol...[Details]
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"The success rate of electricity information collection is 99.3%, and the line loss in the No. 1 transformer area of Wangfan Village has abnormal fluctuations..." On August 23, Mao Yong, director...[Details]
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Yesterday (13th), a fire broke out at the Dalang plant of passive component manufacturer Walsin Technology in Dongguan, Guangdong. Taiwanese media reported that the fire affected the supply of chip r...[Details]
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This article guides the user in selecting the appropriate transformer for signal conditioning in the front end of a high-speed analog-to-digital converter (ADC). It also explains how to properly se...[Details]
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The unijunction transistor is also called a double base diode. Its symbol and appearance are shown in the attached figure. The method to determine the emitter E of a single junction transisto...[Details]
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On October 17, students from Dezhou University were debugging the award-winning equipment. Recently, the scientific work "Pest Suicide Solar Pest Killer" of the Department of Mechanical and Electri...[Details]
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以智能手机、平板电脑为代表的便携式电子设备正以显著的速度发展着。便携式电子设备的多功能化、高性能化在不断进步,其便利性使我们使用便携式电子设备的机会增加,并增加了使用时间,但与此同时,其高性能化增加了电力的消耗。因此,电池被大容量化,并在便携式设备中占据了很大部分的体积和重量。但由于便携式电子设备被用来随身携带使用的机会很多,分量轻也就成为了其重要需求之一。因此,便携式电子设备中使用的电池要求具备...[Details]
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In recent years, digital television technology has developed rapidly. Digital video mixers can mix two or more digital video signals into one or more digital video signals according to certain algo...[Details]
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introduction In modern applications, traditional low dropout regulators (LDOs) are gradually being replaced by switching power supplies (SMPS). Although LDO is a low-cost and rugged power solution, ...[Details]
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For components like this that contain chips, the most important thing is to learn how to understand the pin functions of the chip, rather than to memorize the statements of the chip. The same compone...[Details]
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LED multiplexing technology and application (LED pixel decomposition technology)
LED pixel decomposition (also known as virtual pixel) technology uses LED multiplexing technology. The same LED ligh...[Details]
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Introduction: First of all, it should be noted that the functions of PI current regulator and deadbeat current prediction controller are to obtain voltage reference command as the input of pulse wi...[Details]
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On September 18, Huawei Connect 2019 officially opened, during which the company released its power IoT strategy and introduced the power IoT solution architecture and its application cases in busi...[Details]
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Single-phase 220V capacitor motor is a common household electrical appliance motor, widely used in electric fans, air conditioners, washing machines and other equipment. Due to its simple structure...[Details]