On August 14th, the second part of the Republic of China's unrivalled drama "Unwitting Mage" starring Han Dongjun, Chen Yao, Li Landi, and Wang Yanlin will be heavily hit by Tencent's video platform. Tencent's video TV application will be synchronized
Read moreFrom what aspects do consumers want to prevent LED blue light hazards? Release date: 2017-08-11 Source: OFweek semiconductor lighting sharing: Nowadays, the most popular sales in the lighting industry in the market is LED lights . With the continuous development of technolog
Read moreAt 21:19 on August 8, a magnitude 7.0 earthquake occurred in Jiuzhaigou County, Sichuan Province, which shocked the country. But what surprised the media and the public is that at 21:37:15, the China Seismic Network robot automatically wrote the manuscript, only 25 seconds to
Read moreThis article describes the construction of transformerless inverters used in today's commercial and public PV installations. It analyzes how power integrators and utility companies can leverage new capabilities by integrating multiple inverters directly into the grid or with only one medium vo
Read moreAs shown in the circuit, T is an auto-coupled voltage regulator. The output is fixed and the input is automatically adjusted by the servo motor to keep the output constant. Transistor VTl, VT2: 3DK9C, β=65~85; VT3: 3AX818, β=60~80; Diodes VD2, VD3, VD6~VD9: 1N4002; VD4, VD5, VD10: 1N4148;
Read moreElectronic enthusiasts eight o'clock: Yu Chengdong, head of Huawei's mobile phone business, made bold predictions last year, saying that Huawei will surpass Apple in three years and surpass Samsung Electronics in five years to become the world's first smartphone. T
Read moreOn the evening of August 20, Mulinsen released the first half of 2017 performance report. During the reporting period, the company achieved operating income of 3.624 billion yuan, an increase of 73.68%; net profit attributable to shareholders of listed companies was 306 million yuan, an increase of
Read moreMOS power IC full range Industrial Router Crystal 3.2*2.5mm 3225 26M (26.000MHZ) 12PF 10PPM 20PPM 30PPM Probe current voltage pin 420*4450 head diameter 5.0 over current current and voltage pin One-piece inductor Open Frame For Resistive Touch All-in-o
Read moreThe power circuit is shown in the figure. Components such as ICl form a voltage comparator. When the grid voltage changes, the DC voltage after rectification and Cl filtering is also changed by VD. This varying voltage is compared as a sampled voltage to a stable DC voltage. As the grid voltage c
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