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With the development of modern high-speed digital circuits, due to high clock rates and low voltage levels, the synchronous switching noise (SSN) between the power plane and the ground plane has beco...[Details]
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What is a Power MOSFET We all know how to use diodes to make switches, however, we can only turn them on and off, not gradually control the flow of a signal. Furthermore, the diode as a switch d...[Details]
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The advantages of using LED (light-emitting diode) backlight are uniform brightness, long service life (about 100,000 hours), low voltage (tributary current) drive, no need for ...[Details]
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The tube amplifiers made by many friends are not ideal. There are two main reasons for this:
1. Since the knowledge of tube circuits and their applications was only available in textbooks in the 1...[Details]
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In recent years, dot matrix LED display screens use dot matrix modules or pixel units composed of light-emitting diodes to form a display screen with a variable area. With the characteristics of high ...[Details]
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0 Introduction With the development of power electronics technology, batteries have been widely used in industrial fields, such as postal and telecommunications, communications, power systems, UPS ...[Details]
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On July 18, 2024,
WPG Holdings, a leading international semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary Youshang has launched a 140W USB ...[Details]
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Abstract: This paper introduces the design and implementation of a high-power current-controlled flyback DC/DC converter, and proposes a simpler design method for energy storage transformers. A 1...[Details]
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1. System overall plan 1.1 Overall design diagram As shown in Figure 1, the inverter system consists of a boost circuit, an inverter circuit, a control circuit, and a feedback circuit. The low-volta...[Details]
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Every power engineer knows and learns about the traditional control topologies of overvoltage mode and current mode control, but less well-known are hysteretic-based topologies and their advantages. ...[Details]
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Generally speaking, LED constant current driver ICs are mainly divided into boost type, buck type and buck-boost type (SEPIC). These can also be divided into many different models. The principles f...[Details]
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Abstract: AT90S1200 is a RISC microcontroller launched by ATMEL. It combines the advantages of PIC and 8051 microcontrollers with its own Flash technology. This article introduces the applicatio...[Details]
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Inductors are commonly used components in switching power supplies. Since their current and voltage phases are different, theoretically, the loss is zero. Inductors are often energy storage compone...[Details]
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In recent years, with the popularization of LED lighting and the expansion of the application fields of LED displays, the market has also put forward new requirements for LED packaging technol...[Details]
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Currently, for many popular mobile phones (especially flip phones), the color LCD, OLED display or camera module CMOS sensor and other components of the mobile phone are connected to the baseband con...[Details]
DSP and ARM Processors
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