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1. Introduction to UPS principle UPS (Uninterruptible Power Supply System) can be divided into online and backup types according to its power supply mode. The online UPS control circuit is mor...[Details]
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If nothing unexpected happens, Samsung will continue to launch the new generation of Galaxy Note20 series flagships in the second half of this year. As June draws to a close, this blockbuster n...[Details]
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According to media reports, German silicon wafer giant Siltronic AG said on Sunday local time that it is in in-depth negotiations with Taiwan's GlobalWafers, which plans to acquire it for 3.75 billio...[Details]
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Figure Roche converter four-step circuit
The four-lift circuit is shown in the figure. The function of capacitors C2, C3 and C4 is to raise the voltage VC across capacitor C to three times the p...[Details]
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Most LED digital clocks use the mains power f 220V/50Hz as the frequency source for timing. The timing error is about 20 seconds per day and needs to be adjusted frequently, which is very trou...[Details]
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Innovate the central-local cooperation model, promote the integrated development of the central and local governments, and better drive local economic development. Since the beginning of this year, Yu...[Details]
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September 26, 2023, China - STMicroelectronics (ST;), a world-leading semiconductor company serving multiple electronic application fields, will hold the Industrial Summit 2023 on September 28, 2023 ...[Details]
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In the electronics industry, with the improvement of the integration of the whole machine and the miniaturization and complexity of components, the temperature process requirements for various weld...[Details]
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The past three years of the epidemic have been a trial for the automobile industry. It is necessary to eliminate the waste and retain the essence, and the real gold will emerge. The products, technol...[Details]
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PSoC Sensor Application Platform
In embedded systems, control chips mainly process two types of signals, one is digital signal and the other is analog signal. Analog signals usually come f...[Details]
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The S3C2440 originally connected two 32M SDRAM chip selects to nGCS6. Now it has been changed to two 64M SDRAM chip selects also to nGCS6.
The software modifications are divided into four majo...[Details]
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Traditional silicon -based power semiconductor devices and their materials can no longer meet the development needs of high -frequency, high temperature, high power, high -energy efficiency, harsh en...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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Jiwei.com reported on April 17 that today Japan's Renesas restarted the NAKA chip factory after a fire accident, but it will take several months to fully restore production capacity. It is reported...[Details]
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Stereo Preamplifier with Bass-boost
gh Quality, simple design 20 to 30V supply
Parts:
P1_________________10K Log.Potentiometer (Dual-gang for stereo) P2________________100K Log.Potentiom...[Details]