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1 Introduction At present, due to the high price of spectrum analyzers, only a few laboratories in colleges and universities are equipped with spectrum analyzers. However, in the teaching of electr...[Details]
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As a representative field of the most advanced and cutting-edge technology, the development level of the chip and semiconductor industry has now risen to the level of national strategy of various cou...[Details]
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When you see the title "How to replace 12V solar LED street lights with 220V LED street lights", are you surprised? In fact, this is also a solution I provided to a customer in July.
At that t...[Details]
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Recently, Yunhe Zhiwang announced that it has completed two rounds of financing totaling nearly 400 million yuan. The angel round of financing was led by Qiming Venture Partners, followed by Inspur G...[Details]
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ARM is a RISC structure. The movement of data from memory to CPU can only be completed through L/S instructions, that is, ldr/str instructions. For example, if you want to read data from somewhere in...[Details]
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Each GPI/O port has two 32-bit configuration registers (GPIOx_CRL, GPIOx_CRH), two 32-bit data registers (GPIOx_IDR and GPIOx_ODR), a 32-bit set/reset register (GPIOx_BSRR), a 16-bit reset registe...[Details]
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LDO linear regulators are often used as a secondary measure by design engineers and are often selected in the late stages of product development. Design engineers are more concerned with making com...[Details]
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Liu Weiliang and Luo Suming studied the infrared radiation of ceramics at room temperature. The infrared emissivity of the tested ceramic samples was about 0.82~0.94. The far-infrared ceram...[Details]
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1. Understand the address decoding of microcontroller. 2. Understand the 8255 chip structure and programming methods. 3. Understand the 8255 input and output experimental methods. 4. Be familiar wit...[Details]
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The microwave vector network analyzer is mainly composed of four major parts: synthetic sweep source (excitation source), test device (signal separation part), receiving part, and microprocessor. The...[Details]
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December 14, 2021 - The Global Semiconductor Alliance (GSA) is pleased to announce that this year's GSA Awards Virtual Ceremony was held on December 9. For more than a quarter century, the GSA A...[Details]
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A few days ago, the news that China Southern Airlines stewardess Ma Ailun died of an electric shock while talking on the phone while charging her iPhone 5 attracted a lot of attention. However, apa...[Details]
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LED manufacturers recommend controlling the forward current to keep the light-emitting diode at the rated luminous flux and a specific color temperature. Given that the brightness of the LED is pro...[Details]
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For a long time,
display
applications have been
the main demand of
LED
light-emitting
components
, and high heat dissipation of LED is not required. Therefore, most LEDs...[Details]
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On October 27, the Organization Department of the Liaoning Provincial Party Committee issued a public notice of candidates for leadership positions. Among them: Li Xianfeng, male, Han nationality, bor...[Details]