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Project 1: A power supply in a laboratory broke down. After disassembling it, it was found that the full bridge controlled by UC3875 needed to be repaired . Phenomenon: Preliminary inspection sho...[Details]
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At present, the five major market demand trends of LED lighting driver power supplies can be summarized as: high efficiency, high reliability, wide application compatibility with dimming and non-dimmi...[Details]
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In the book "Built to Last", Ralph Larsen, former CEO of Johnson & Johnson, said a sentence about how companies face opportunities and risks, "Growth is a gambler's game", which made me think for a...[Details]
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Ever needed a simple, low power, isolated, housekeeping power supply , but didn't want to buy an off-the-shelf brick or module? The make or buy decision depends on many factors, but simplicity, sol...[Details]
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High-intensity discharge lamps (HID) such as high-pressure sodium lamps (HPS) have the characteristics of high light intensity and long life, and are widely used in area lighting applications in publi...[Details]
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introduction
As a classic control algorithm
,
PID control
has the characteristics of simple structure, easy debugging, fast dynamic response characteristics, and strong robustness. ...[Details]
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There are two driving modes for LED display screens: static scanning and dynamic scanning. Static scanning is further divided into static real pixels and static virtual, while dynamic scanning is als...[Details]
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Linear Technology Corporation introduces the LTM4641, a 4.5V to 38V input, 0.6V to 6V output, 10A step-down µModule ® regulator that provides comprehensive electrical and thermal protection for loads...[Details]
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The quadcopter is a type of micro-aircraft. Compared with fixed-wing aircraft, it has flexible directional control, strong anti-interference ability, stable flight, the ability to carry a certain loa...[Details]
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1 Introduction Compared with the single-stage inverter, the single-phase two-stage photovoltaic grid-connected inverter has a complex structure, but the front and rear stages can be controlled separ...[Details]
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4 Thermal conductivity and emissivity of heat dissipation materials 4.1 Thermal conductivity of heat dissipation materials The thermal conductivity of a material reflects the strength of the ma...[Details]
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This scheme first uses solar energy to power supply and combines it with people's daily needs to design a multifunctional solar mobile power box, and then uses Multisim simulation software to simulat...[Details]
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The quality of LED driver power supply will directly affect the life of LED , so how to make a good LED driver power supply is the top priority of LED power supply designers.
In today'...[Details]
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In a streetlight application, a possible configuration is 80 LEDs in series to create a 300V/0.35A load. When choosing the power topology, the requirements for isolation and power factor correction...[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]