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1 Introduction Portable Media Player (PMP) is a hot topic discussed by semiconductor suppliers. PMP is a consumer entertainment product with the core function of playing multimedia files, inc...[Details]
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A spectrum analyzer is a tool for studying the energy distribution of a given electrical signal on the frequency spectrum. It is basically a superheterodyne receiver with a swept local oscillator. Th...[Details]
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3. Reading and writing the pm_test attribute file int pm_test_level = TEST_NONE; static const char * const pm_tests = { = "none", = "core", = "processors", = "platfo...[Details]
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This article describes the method of using a multimeter to detect field effect tubes. Method of using a multimeter to detect field effect tubes . Determination of D pole (drain) and S pole (so...[Details]
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According to the previous sdram code, the startup code turns off the watchdog, initializes the storage controller (mainly Norflash of BANK0 and SDRAM of BANK6), sets the stack to the highest addres...[Details]
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New IEEE automotive Ethernet standards continue to emerge, and one of the latest is 10BASE-T1S Ethernet. This article will discuss some of the major trends in the automotive industry that are dictati...[Details]
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According to supply chain media DigiTimes, while sensor-shift optical image stabilization is currently limited to the iPhone 12 Pro Max, the feature will be expanded to all iPhone 13 models later thi...[Details]
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Mentor Graphics, a leading manufacturer of electronic design automation technology, recently released a research report on how to use modern wiring design tools to meet the challenges of complexity. ...[Details]
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Voltage type single-phase half-bridge rectifier circuit
I. Structure of the main circuit 1. Voltage doubler circuit: If it is assumed that T1/T2 is always in the off state, then during the posit...[Details]
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Looking back, Meizu used to be on par with Xiaomi, but now it has become a small factory in Zhuhai due to various problems, which is really sad. Meizu once had a lot of loyal users, but many consumer...[Details]
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The schematic block diagram of a digital frequency meter is shown in the figure below. The measured signal with a frequency of The input terminal a of the gate is added to the other input terminal b ...[Details]
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Circuit description: Safety is our biggest concern in daily life. Everyone feels that the security issue is very crucial, and the door and security in the home can be as safe as possible. For door ac...[Details]
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According to foreign media reports, the R&D departments of OnePlus and OPPO have been merged, and offers for new employees in R&D positions are all issued by OPPO, not OnePlus. An OPPO insider said...[Details]
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Since its launch, PAVO, a single-line TOF laser radar from StarMill Technology, has been widely used in many fields such as autonomous driving, robots, AGV, digital multimedia, etc. In this process, ...[Details]
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Guangzhou, October 18, 2024 /PRNewswire/ -- On October 17, at the new product and service launch event of the 136th China Import and Export Fair (also known as the "Canton Fair"), SGS, an internati...[Details]
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