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Google has announced that starting with Pixel phones, users can use their fingerprint or screen lock instead of a password to authenticate their identity to certain Google services on the web. ...[Details]
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1. Introduction
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip microcomputer products. Among the flourishing sin...[Details]
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LLC resonant topology Zhenhua's gold-medal power supplies basically all adopt this architecture. Everyone knows the power of the gold medal, and it is the standard configuration of truly high-end ...[Details]
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On the afternoon of September 10, Wu Lei, Secretary of the Party Committee and Chairman of Shanghai Electric Group, conducted a work investigation at Shanghai Electric Energy Storage Technology Co....[Details]
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After the iPhone and iPad successfully changed our lives, the technology industry has been looking for the next such product. Can the latest iPhone 5S or Galaxy Note 3 do this? No! We need a complete...[Details]
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High-end chips manufactured using cutting-edge process technology often require high-quality, multi-layer motherboards. To ensure that such printed circuit boards (PCBs) can be produced in the United...[Details]
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1. Platform Chip: STM8S103F3P6 Environment: IAR + STVP System: WIN7 II. Purpose STM8S103F3P6: Development using the STM8 standard library Role------Slave Method-------------Hardware IIC STM3...[Details]
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1. Introduction
Hollysys LM series PLC is a small integrated PLC product independently developed by Hangzhou Hollysys Company. LM series PLC has the characteristics of high reli...[Details]
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First disconnect, disassemble the power cord, and adjust to the ω position. If it is a star connection, connect one test lead to the star point, and use the other test lead to measure the abc three-p...[Details]
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Abstract: A high-precision digital waveform generator for virtual instruments. The polyline approximation method and the triangular decomposition implementation method are adopted, and the hardw...[Details]
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DS2450 is a single bus four-channel successive approximation A/D converter chip produced by DALLAS. Its input voltage range, conversion accuracy and alarm threshold voltage are all programmable; each ...[Details]
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1 引言
在正激变换器中，有源箝位技术相对其他复位技术，比如RCD，LCDD而言具有如下优点：
(1) 开关管的电流、电压应力小（约为1.3Vinmax）,便于开关器件的选择.
(2) 变压器复位过程中的损耗小,EMI和噪声比较低
(3) 实现开关管的零电压开通,减少了开关管的损耗
(4) 在主开关管关断的时候,有源箝位正激变换器相对于其他复位方式的正激...[Details]
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The reporter learned that the State Grid Corporation of China is stepping up its organization and research work on the "14th Five-Year Plan" power grid planning, and plans to complete the preparati...[Details]
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Hello everyone, we have previously shared how to measure the delay time between two-channel waveforms. Today, let’s take a look at how to use the ZDS2022 oscilloscope to measure the phase difference ...[Details]
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New ST85MM programmable power line communication (PLC) modem natively supports the latest field-proven Meters and More and PRIME1.4 standards, increasing flexibility in smart meter deployments
...[Details]
Microcontroller MCU
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