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Regulatory authorities continue to maintain a high-pressure crackdown on virtual currency speculation and have taken further practical actions. According to foreign media reports, Bitcoin fell belo...[Details]
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MEMS microphones for high-fidelity audio playback, VoIP, and speech recognition
Many portable electronic devices are at the forefront of an audio revolution. While designers have been worki...[Details]
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Preface
The AC response characteristics of LED
driver
chips are often overlooked, but they are quite important. AC response affects
the image quality of
LED display...[Details]
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According to the application scenario, the test types of Fluke fiber certification tester are divided into three types: intelligent remote, loopback and remote light source. Intelligent remote can re...[Details]
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Han's Laser held the 34th meeting of the 6th Board of Directors and reviewed and approved the "Proposal on Authorizing the Company's Management to Initiate Preliminary Preparations for the Domestic L...[Details]
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O Introduction
A rotary transformer is an electromagnetic induction sensor used to measure the angular displacement and angular velocity of a rotating object. It consists of a stator and a rot...[Details]
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Abstract: ISDN, telecommunications, and other systems require a negative current-sense amplifier. This application note describes a method for designing a negative current-sense amplifier. This m...[Details]
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Huawei recently announced a list of devices that will receive EMUI 12 starting from the first half of 2022. It will be pushed to overseas models rather than the domestic HarmonyOS. As can be seen f...[Details]
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Recently, the Pan-Smart Screen BU of TCL Electronics Holdings Co., Ltd. (hereinafter referred to as "TCL Electronics") and Mosing Semiconductor jointly established the "Semiconductor Technology Joint...[Details]
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I have to say that the replacement of car chips is really fast. No, while many car companies are still using the Qualcomm 8155 chip as a selling point, many new models have been equipped with the lat...[Details]
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PS: When I encountered variables such as _armboot_start and _bss_start in the u-boot source code, I didn't know what address they pointed to, so I looked it up and figured out what the pseudo-instruct...[Details]
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Stepper Motor Driver Tutorial
A stepper motor is a special motor whose position and movement can be controlled by inputting pulse signals. A stepper motor usually consists of a motor body and ...[Details]
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Improved circuit of Sanyo DC-SL mini stereo
I have a Sanyo DC-Sl mini stereo in my bedroom. I have been using it for years. Although it does not have the popular VCD/DVD playback a...[Details]
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Abstract: In view of the increasing concern of people about heart diseases, a new type of ECG detection system is introduced. It has the characteristics of small size, strong practicality, low price...[Details]
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An amplifier is a device that can amplify the voltage or power of an input signal. It is composed of electron tubes or transistors, power transformers and other electrical components. It is used in v...[Details]