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At present, the power supply of other circuits (such as control circuits, drive elements, etc.) of two-wire (no neutral input) electronic wall switches other than the power supply circuit mostly adop...[Details]
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On November 2, the 2021 China Integrated Circuit Manufacturing Annual Conference (CICD) Summit Forum was held in Guangzhou. In the invited expert report session of this summit forum, Chen Wei, Presid...[Details]
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my country is located between the two major seismic belts in the world: the Pacific seismic belt and the Eurasian seismic belt, and is one of the countries prone to earthquakes. According to the Chin...[Details]
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By managing heat transfer between the chip and the surrounding air, optocoupler characteristics are maintained and failure is avoided.
The behavior of any semiconductor device depends on the t...[Details]
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Summary: RC5060 is an ACPI switching power supply controller available for Camino, Whitney and Tehama platforms. The independent power supply system designed using it can output four voltages: 5V...[Details]
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1. Introduction
Semiconductor lighting is supported as a key point in the country's "Eleventh Five-Year Plan". New words such as green lighting and energy-saving lighting can be seen every...[Details]
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Many people don't know that in the daily production process of power transformers, the choice of materials determines the quality of the transformer. We should not only look at the low price, but i...[Details]
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Ceramic capacitors are made of ceramics with high dielectric constant (barium titanate monoxide) squeezed into round tubes, discs or disks as dielectrics, and silver is plated on the ceramics as el...[Details]
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After the sudden outbreak of the COVID-19 epidemic, a large-scale city blockade was carried out to control the epidemic, making it impossible to export many parts and raw materials made in China. It ...[Details]
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Goldman Sachs analyst Rod Hall told CNBC on Tuesday that consumers may not notice improvements in phone performance when using 5G phones. "We call 5G a brand, not a feature," Hall said when discussi...[Details]
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1. Functional requirements of automotive multimeter In the detection and diagnosis of engine electronic control system faults, in addition to the parameters such as voltage, resistance and current th...[Details]
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The three terminals of the function generator in Multisim, "+" and "-" output signals with the same amplitude but opposite polarity (all relative to "COM"), that is, when the output waveform of the "...[Details]
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When it comes to power supply testing, the first thing that comes to mind is ripple testing, overload testing, and dynamic slope. For DC power supplies, the best test method for evaluating DC purity i...[Details]
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1. Send SMS in text format Send a text message to China Unicom: ~ : microcom -s 115200 /dev/ttyUSB1 at OK Set the SMS format to Text mode: at+cmgf=1 OK at+cmgs="+861300711**** " Enter the content ...[Details]
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From November 5 to November 10, 2024, Synopsys will appear at the 7th China International Import Expo, leading technological innovation and accelerating the development of new quality productivity ...[Details]