1. In the power-on startup waveform below, the AC input current Iac has two oscillations with short periods before the LLC circuit works. What's going on?From my understanding of the first paragraph, ...
I am working on a project that requires UCGUI. The control chip is DSPIC30F5011, 66KFlash, 4KRAM. Can UCGUI be ported? I am mainly worried that the RAM is not enough. Thank you!...
The long and short printed plug PCB uses a design with different lengths of printed plugs to meet the protection of grounding first and then powering on when the printed plug is plugged in and out of ...
Recently, the 15MW/30MWh electrochemical energy storage system of the 100MW photovoltaic power generation project of Hubei Energy Shuanghe New Energy 90 Group was successfully connected to the grid...[Details]
In the gate circuit of IGBT, the main factors to be considered include the positive and negative values of gate voltage U and the size of gate resistance R. They have different degrees of influence...[Details]
Jiwei.com reported on February 7 that with the coming of the Spring Festival, major apps have launched red envelopes and replaced the red envelope amount with the App icon. Among them, Douyin distrib...[Details]
1. Preface
In order to adapt to the development of the power grid and meet the requirements of modern management, realize the "unmanned and less-staffed" operation and management mode of th...[Details]
Yesterday, Xiaomi's new trendy series of mobile phones - Xiaomi Civi was officially released. With the new velvet AG craftsmanship, a body of only 6.98mm and a weight of 166g, Xiaomi Civi has become ...[Details]
Chinese society should highly respect and understand Huawei, and support it in the way it needs, rather than burdening it with excessive moral responsibilities that it cannot bear as a commercial com...[Details]
1 Introduction
A switching power supply is a power supply that uses modern power electronics technology to control the time ratio of the switching transistor to turn on and off to maintain a s...[Details]
The Sino-US trade war is becoming increasingly fierce. The US even plans to include products such as mobile phones and laptops in the tariff list. Apple may be affected, which in turn dragged down Ho...[Details]
The principle of quaternary phase modulation
Four-phase absolute phase modulation (4BPSK): The relationship between the two-bit code ak, bk and the carrier phase is shown in the...[Details]
NXP Semiconductors and Volkswagen have announced the first concept car to use ultra-wideband (UWB) technology, showcasing one of the technology’s key benefits: preventing immobilizer relay failure, t...[Details]
With the advancement of technology, video playback applications have been widely used in commercial electronic products (such as mobile phones and MP3 players). Mobile phones and MP3 players are cu...[Details]
1. Overview
The grain quality rapid tester uses near-infrared spectroscopy to detect the internal quality of grains, such as crude protein, moisture, etc. With the continuous development of op...[Details]
Industrial Internet of Things, also known as Industrial Internet, is one of the key areas of digital "new infrastructure" and is regarded as the second half of the Internet. With the promotion of fav...[Details]
SQLite is a lightweight database and an ACID-compliant relational database management system. It is designed for embedded use and is currently used in many embedded products. It takes up very little ...[Details]
In industrial production, closed-loop control is often required to control continuously changing analog quantities such as temperature, pressure, and flow. Whether it is an analog control system ...[Details]
Power technology
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