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According to PatentlyApple, the U.S. Patent and Trademark Office officially announced 36 new patents granted to Apple today, including patents related to under-screen camera systems and next-generati...[Details]
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The development of electrical equipment maintenance technology can be roughly divided into three stages, namely fault maintenance, regular maintenance and condition maintenance. Condition maintenance...[Details]
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On March 28, 2022, the sorter (wafer transfer equipment) of the first domestically produced 8LP dual overhead crane system independently designed and produced by the R&D team of Shanghai Guona Semico...[Details]
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For a long time, current transformers have been used as a standard device in instruments and equipment to measure precision current. Even in harsh environments and high temperature conditions, this d...[Details]
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An electronic load is actually a device that simulates a load. For example, if you want a 500W load today but you don't have one on hand, you can use an electronic load to simulate the characteristic...[Details]
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Abstract:
With the maintenance and support of digital circuits of new radar equipment as the background, a method for establishing the "MERGE" boundary scan test model is proposed. Based on t...[Details]
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Motor jitter refers to vibration or jitter when the motor is running. It is mainly caused by factors such as motor imbalance, mechanical system instability, design error or component failure. If no...[Details]
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At present, there is a lot of information about lead-free soldering materials and lead-free soldering processes. For factories that need to develop lead-free soldering processes, it is very importa...[Details]
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On January 13, Jiangfeng Electronics issued an announcement stating that the company plans to sign a "Capital Increase Agreement" with Ningbo Haichuang Zhanrui. The company plans to increase the capi...[Details]
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introduction
Accurate measurement of voltage requires minimizing the effects of the instrument wiring to the circuit being tested. Typical digital voltmeters (DVMs) use 10M resistor networks to kee...[Details]
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1. First, the picture above. The second picture is a screenshot of Keil online debugging. This Keil is better. I guess IAR may not have such a graphical interface.
As you can see, the external...[Details]
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The innovative Current Controlled Frequency Flyback (CCFF) technique enables analog power factor correction (PFC) controllers to deliver high efficiency over the full load range, with other known ben...[Details]
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1.
What are the similarities and differences between
the lumen
efficiency
of
a single
LED
and the lumen efficiency of a lamp that uses LED as a light source?
Fo...[Details]
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With the development of society and the transformation of my country's energy structure, water meters and gas meters have entered thousands of households. However, traditional mechanical water and ga...[Details]
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The role of MMU is to convert virtual addresses into physical addresses. The virtual address space of a 32-bit CPU reaches 4GB. 4096 descriptors are used in the first-level page table to represent thi...[Details]