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We often encounter audio signal acquisition and processing in projects. Today we will make a simplest audio acquisition module. Its circuit is actually an improvement on the transistor amplifier circ...[Details]
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Huawei released its powerful Mate 30 series of mobile phones at noon on the 19th local time in Germany. According to Reuters, due to the US ban, although Huawei's new mobile phones can use the Androi...[Details]
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On April 17, Infit disclosed its first quarter report for 2022. The company achieved operating income of 325 million yuan in the first quarter, a year-on-year increase of 20.07%. Net profit attributa...[Details]
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Bridge safety monitoring, zero-watt standby, smart lighting control, and other seemingly unrelated fields are now linked to a concept: "micro energy harvesting" technology. Although micro energy harv...[Details]
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1. Introduction
Power electronics technology is a discipline that studies the use of power semiconductor devices to achieve power conversion and control. It is an emerging interdisciplinar...[Details]
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Working principle: VTl, VT2 and related components form a multivibrator with a frequency of about 400Hz, which is used to modulate the intermediate frequency signal. The audio signal can also be outp...[Details]
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Examples of products that use dynamic reconfiguration technology. So far, it has been adopted by Fuji Xerox all-in-one machines and Sony broadcasting professional equipment. In addit...[Details]
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iOS 15.4 official version will be released next week Because it has the function of unlocking the iPhone while wearing a mask, it has become the most anticipated system at present! Looking forward to...[Details]
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At the Yunqi Conference Open Day, Alibaba Cloud exhibited two all-in-one computers based on the new generation of shadowless architecture. The two new products are divided into a 23.8-inch standard v...[Details]
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What will happen to traditional broadcast bands when the spotlight goes out? Smartphones have become our constant companions over the past decade, and it's often said that smartphones are so successf...[Details]
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Experiment 1: Requirements: Use dynamic scanning and timer 1 to display the number on the digital tube starting from 7432 and decreasing at a speed of 1/10 second until 7398 and keep displaying this n...[Details]
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The emitter follower (also known as the emitter output, or simply the emitter follower) is a common collector circuit (see the figure below). It inputs the signal from the base and outputs t...[Details]
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How can you make a set of speakers that satisfy you? This article introduces ten
tips
Tip 1: Choose the right speaker unit caliber and understand the unit's technical parameters. It ...[Details]
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Introduction
Compared with the traditional single power supply, parallel power supply has many advantages, such as large capacity, high efficiency, high reliability, redundant system confi...[Details]
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In our previous blog notes, we have explained how improving the efficiency of electric vehicle powertrains can increase their range (Note I) and how better software controlling inverters and electr...[Details]