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RAQ 213: Generating Negative Voltages - Why Level Shifting is Needed in Buck-Boost Circuits
question:
Why is level shifting needed?
Answer:
...[Details]
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Analysis of relevant indicators of
LED display screen
1) Physical indicators
Pixel center distance pixelEL pitch (dot pitch) The distance between the centers of a...[Details]
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Design principle and overall structure The drive control circuit is divided into an input stage circuit, an amplifier stage circuit, a drive circuit and a protection circuit. The input stage and the...[Details]
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Energy conservation and emission reduction
has become a global trend. Under this trend, in addition to reducing the power consumption of electronic equipment during operation, standard organi...[Details]
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question:
How to easily select the right coil for a high voltage inverting buck-boost topology?
Answer:
A simplified duty cycle equation was ...[Details]
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background
Automotive lighting assembly suppliers are considering using LED devices to compete with high-intensity discharge (HID) lighting. First, the driving circuits of LED devices are less comp...[Details]
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In order to make the product run perfectly, all innovative products are constantly improving their performance and functions through technology and processes as much as possible, from new materials t...[Details]
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0 Introduction
In recent years, the application of diode clamped three-level inverters in high voltage and high power applications has been widely studied. Compared with ordinary two-level...[Details]
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LED display screen is a new type of flat panel display device that appeared in the 1990s. Due to its high brightness, clear picture and bright colors, it stands out in the field of public multimedi...[Details]
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1. Partial discharge phenomenon The partial discharge (PD) phenomenon usually refers to the discharge that occurs locally in the insulation layer of high-voltage electrical equipment under the acti...[Details]
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A Maipu 1KVA online UPS power supply has normal bypass output after startup. Press the ON button to switch from bypass to inverter operation, but immediately jumps to bypass again, and the fault ...[Details]
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With the development of science and technology in today's world, the application of lasers is becoming more and more extensive. It can not only achieve accurate distance measurement, but also acc...[Details]
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In recent years, solid-state LED As lighting fixtures become more and more popular, I would like to try to analyze the complexity of LED color technology and how to control it. About Additive Co...[Details]
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Network cameras integrate video compression and network transmission processing modules based on analog cameras. Therefore, they have the technical characteristics of both analog cameras and video ...[Details]
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The development of fast charging technology continues to break through the power limit. As the power increases, the temperature rise effect of the chip becomes more significant, and the heat loss i...[Details]