I need help. For class D amplifiers like tpa3245, the power supply is +24v and there is no negative power. What is the input signal range? The manual says it is positive and negative. How can negative...
Line Regulation 1. Definition: Also known as source effect or grid regulation, it refers to the fluctuation of output voltage with linear change of input voltage, under the condition of full load. (W...
The word "5G" is often encountered these days, such as "Huawei's 5G technology is leading, and others will catch up in 2 to 3 years", "Trump urges the United States to step up 5G/6G", and yesterday's ...
Recently, a 5A USB port was loose, so I fixed it based on the idea that electronic engineers should do more hands-on work (poor, no money, can't bear to throw it away). The effect is quite satisfactor...
Samsung has announced the Galaxy A03 series of smartphones. A few months ago, the A03s was launched. It was followed by the Galaxy A03 Core which was launched last week. Now, the South Korean tech ...[Details]
Editor's note: Since the escalation of the Sino-US trade situation, domestic mobile phone supply chain manufacturers are accelerating the "southward migration" of the industry in order to alleviate t...[Details]
Production of electronic scales, capable of peeling, range 10KG The microcontroller source program is as follows: /************************************************ Function: Button K1 is for t...[Details]
Recently, Yijing Technology, a solid-state LiDAR solution provider, completed its A+ round of financing, which was jointly led by Fosun Ruizheng Capital and Songhe Capital, with a total financing amo...[Details]
1. Full charge and full discharge system
. That is, the wind turbines are installed and charged centrally, and the batteries are distributed to households, with each household using two batteries...[Details]
The well-known mobile phone review organization DXOMARK recently announced the scores of the ASUS ZenFone 7 Pro's front camera, with a photo score of 104, a video recording score of 96, and an overal...[Details]
According to Jiwei.com, the chip industry has always been extremely dependent on intellectual property (IP). Especially as IC design enters the system-on-chip (SoC) era, the integration is getting hi...[Details]
International market research firm IC Insights recently announced the sales rankings of the world's top 10 semiconductor manufacturers in the first quarter of 2020, and HiSilicon became the first Chi...[Details]
Recently, a new Xiaodu delivery product equipped with LRAY VCSEL light source products from Ruishi was launched. It can perceive the surrounding environment in all directions and flexibly avoid...[Details]
1. Detection method Battery loss due to the electrical switch not being turned off when parking; battery loss due to self-discharge caused by short circuit or oxidation of the battery plates; leakag...[Details]
The working principle of the reset circuit is introduced in the book. To reset the 51 single-chip microcomputer, you only need to connect a high level to the 9th pin for 2us. How is this process real...[Details]
Thanks to Moore's Law, automotive electrical systems have experienced rapid technological growth. Modern cars have come a long way from being simple engine electrical systems coupled to an AM radio. ...[Details]
AT24C Series AT24C series is a common EEPROM memory chip, often used to save parameters and power-off memory data Capacity: The model represents its capacity, from AT24C01 to AT24C1024, the stora...[Details]
Following the 98-inch smart TV, Redmi recently released another cost-effective smart TV - Redmi MAX 86-inch smart TV, priced at only 7,999 yuan. It is the lowest-priced product in the 85-inch and 86-...[Details]
Yan'an High-tech Zone Investment Promotion Team went to Chengdu and Wenzhou to conduct investment promotion inspection activities. From October 14th to 19th, Qin Li, member of the Party Working Commit...[Details]
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