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Although output voltages continue to drop and regulation requirements become increasingly stringent, your task may not be as difficult as it appears. Even if you must design with 1% or greater tole...[Details]
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1 Introduction
This paper attempts to review the new microelectronic packaging technologies that have developed rapidly since the 1990s, including ball grid array packaging (BGA), c...[Details]
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1. Introduction
EEFL is the abbreviation of External Electrode Fluorescent Lamp. Its structural feature is that there is no electrode inside the lamp tube. In addition to the working gas and t...[Details]
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Why is 2440 connected to the SDRAM address line with two wrong bits? It is said on the Internet that two wrong bits are for 32-bit alignment (the address is an 8-bit data address, the 2440-bit width ...[Details]
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On January 7, rumors about updates to Apple's iPhone 14 series, which will be launched this fall, continue. Whistleblower @DylanDKT claimed on Twitter that the front camera of the iPhone 14 Pro serie...[Details]
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Recently, a colleague of mine encountered a problem when taking a private job. He could use Keil-5 to open the project given by the client, but there were errors in simulation and downloading. Accord...[Details]
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According to the latest research report from Counterpoint, Xiaomi surpassed Samsung in the Russian online mobile phone market share in the fourth quarter of 2020, ranking first. Apple entered the top...[Details]
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In the morning, I wanted to use Timer10 to make a relatively accurate delay function, but I found that the actual delay value was always only half of the value when I used an oscilloscope. I was puzz...[Details]
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According to Jiwei.com, driven by the rising prices of upstream raw materials, the price of PCB boards has also been rising. Recently, Shenzhen Nan Circuit released an investor activity record sheet ...[Details]
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During the cycle process, the early degradation of lithium-ion batteries is generally linear, but in the later stages of the cycle life, we often find that the degradation of lithium-ion batteries sh...[Details]
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The figure shows an application circuit using W723 multi-terminal adjustable integrated voltage regulator to form an adjustable output voltage of 10~37V and an output current of 2A.
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Lei Jun, founder, chairman and CEO of Xiaomi Group, wrote that Xiaomi Mi 6 is a legendary phone. It was released in April 2017. More than four years have passed and it still has 2.15 million users. ...[Details]
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What is a software stack and what is a hardware stack? What is the difference between the two?
See if the stack top pointer has a special association with the CPU. If it has an association (such as...[Details]
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1. When using STM8L, the Rx interrupt and IDLE interrupt flags cannot be read at the same time. Finally, DMA is used to get data, see (3. DMA to implement data copy): 1.1 uart configuration void ...[Details]
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LED packaging development analysis
After years of development, China's LED packaging industry has entered a stable development stage. With the economic recovery and the opening of...[Details]
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