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1.2 Radio Frequency (RF), Intermediate Frequency (IF) and Baseband Signals Downconversion and upconversion are fundamental operations in all wireless systems, where the signal spectrum is shifted dow...[Details]
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On August 24, the Shenzhen Stock Exchange announced that the convertible bond application of Hangzhou Jizhi Mechanical & Electrical Co., Ltd. (hereinafter referred to as "Jizhi Shares") was approve...[Details]
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On the afternoon of October 9, the 2019 Nobel Prize in Chemistry was awarded to John Goodenough, Stanley Whittingham and Akira Yoshino in recognition of their outstanding contributions to the field o...[Details]
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On July 29, the team of Guo Wanlin, an academician of the Chinese Academy of Sciences and professor of Nanjing University of Aeronautics and Astronautics, proposed the hydrovoltaic effect, which di...[Details]
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I talked with a friend today. At present, both the current technology, CTP (Cell to Pack) and CTC (Cell to Chassis) are facing problems, such as advanced design and large-scale platform application. ...[Details]
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O Introduction
LED display is a flat display screen composed of light-emitting diode dot matrix modules or pixel units. It has the advantages of high luminous efficiency, long service life, flexible...[Details]
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We often hear
that
the triggering modes
of
oscilloscopes
include level triggering and edge triggering, etc., but what exactly is triggering? What is its use in oscilloscopes? In orde...[Details]
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1: STM32F030 controls the buzzer to ring regularly (1) In main.c: u16 StartTime=0; void main() { StartTime=500; // duration of buzzer sounding SPOKE(1); } void SPEAK(u8 num) { TIM_Cmd(TIM...[Details]
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OPPO Vice President @沈义人Brian said last night that the OPPO Reno phone now has low-brightness flicker-free dimming, which is previously known as DC dimming. Now users can choose to turn it on ...[Details]
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Function generators often play a vital role in the design, testing, and use of encoders, modulators, demodulators, and measurement instruments. This article describes how to use a low-cost method t...[Details]
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Introduction
A few months ago I was looking for some LED suppliers and found out there were UV LEDs. My heart went straight to upgrading my not so big setup so I started looking for informatio...[Details]
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Since 2012, electric vehicles have been launched in large numbers, and the automotive lithium-ion rechargeable battery market has expanded rapidly. Orders from not only joint ventures wit...[Details]
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When it comes to Baidu, many people only limit its positioning to the world's largest Chinese search engine, while ignoring its existence as a world-renowned leading AI intelligence company. Yes, as ...[Details]
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Not long ago, Huawei P50 Pocket, the first dual-screen flagship of Huawei P series and resembling a makeup box, was officially released. It has three color schemes: Crystal White, Obsidian Black...[Details]
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Recently, at a busy energy storage power station construction site, the 2.5MW liquid-cooled energy storage inverter innovatively launched by Kehua Digital Energy is being installed in an orderly ma...[Details]
Talking
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