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0 Introduction
In the 1310-1550 nm band of infrared communication, the main high-sensitivity detection materials are Ge-APD and InGaAs/InP APD. Compared with the two, InGaAs/InP APD has hi...[Details]
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On January 5, an article in the Nikkei Asian Review that explored the development of optical fiber communications caused heated discussions in the industry, and many domestic media platforms also for...[Details]
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In the technical fields of modern electronic measurement, radar, communication systems, electronic countermeasures, etc., signal sources with multiple modes with wide frequency range, high resoluti...[Details]
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Overview
The vast majority of current microcontrollers are based on the von Neumann architecture, which clearly defines the four basic parts required for an embedded system: a central processing...[Details]
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April 7, 2021 - MediaTek and Samsung have launched the first 8K QLED Smart TV to support Wi-Fi 6E, the Samsung 8K QLED Y21, which is equipped with the MediaTek MT7921AU chipset and provides users wit...[Details]
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A circuit that can amplify weak signals is called an amplifier circuit or amplifier. For example, the key component in a hearing aid is an amplifier.
Purpose and composition of amplifier circu...[Details]
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On October 20, according to a technology patent published by the United States Trademark and Patent Office (USPTO), Apple has obtained a technology patent for Vision Pro headsets and future AR glas...[Details]
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High-frequency switching power supplies use pulse width modulation (PWM) technology, and the pulse waveform is rectangular. The rising and falling edges of the switch tube contain a large number of h...[Details]
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The Indian Army will use a hydrogen microgrid to provide off-grid and self-sufficient electricity at a base in the Himalayas.
The National Power Corporation of India (
NT...[Details]
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According to media reports, the main technical and development personnel of Baidu Apollo project have withdrawn and dispersed to other projects and Apollo open source projects. In response, Baidu res...[Details]
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At the WWDC 2020 Developer Conference, Apple released the new watchOS 7, which brings major features such as personalization, health, and fitness to the Apple Watch. In addition to the new watc...[Details]
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The voice output circuit of the smart car is shown in the figure. Among them, VDDH is the reference voltage and VSS is the analog ground of the system. The audio signal is sent to the 9th terminal of ...[Details]
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Preface The programming language of the MCS-51 microcontroller can be assembly language or a high-level language (such as C language). High-level language programming is fast, but the program is lo...[Details]
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This paper proposes a design scheme of intelligent temperature warning system based on single chip microcomputer. With AT89S51 single chip microcomputer as the core, the scheme uses LM386 audio modu...[Details]
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With the improvement of LED in almost every aspect, such as luminous performance and cost, the application scope of LED is getting wider and wider, but the penetration ratio in various application ...[Details]
Power technology
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