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What is the IGBT turnover process? (Lecture 1)

Updated: 2022-03-17
Views: 7198

The IGBT may not be familiar with the IGBT. The full name of the insulated grid bipolar transistor (Insulated Gate Bipolar Transistor) is a composite full -control of MOS (insulating grid field effect tube) and BJT (bipolar crystal tube) The "CPU\\ , Industrial Energy Conservation, Electric Vehicles and New Energy Equi……

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Research Statue of High -Conducting Silic Nitrogen Ceramics Lifth

Updated: 2022-03-17
Views: 6372

At present, there is still a gap between commercial high -conducting SI3N4 ceramic substrates in my country. Therefore, the development of high-heat-conducting SI3N4 ceramic substrates will definitely promote the development of my country's IGBT (Insula-Ted Gate Bipolar Transistor) technology, which will make breakthro……

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1000W High-power density AC/DC case switch power supply, solve the demand for high-power market-LMF1000-20BXX series

Updated: 2022-03-17
Views: 6723

Scenes have different needs for power. This series has the characteristics of small volume (190*127*40.5mm), high power density, intelligent risk control, can be connected in parallel power to meet the standards of IEC/UL/EN62368, GB4943, IEC/ES/EN60601, etc.

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Let the PCB engineer carry the pot? Teach you a trick to solve the hidden dangers in PCB design

Updated: 2022-03-17
Views: 6833

As a PCB engineer who has been engaged in PCB design for many years, long -term painting board work often makes people feel bald. This disturbing pressure is neither due to the design requirements of the board, nor the compatibility between different product structures. What really troubles me is a problem that many en……

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Basic knowledge of AC/DC

Updated: 2022-03-17
Views: 7506

Here, the basic method, transformer method, and switching method of AC (AC) voltage to DC (DC) voltage. In addition, the comparison of transformer and switching methods will be carried out. First of all, "Why do you need AC/DC?" Let's go back to the origin first. Figure 1 is well known that the main power supply of Jap……

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Another design solution of the Hengliu circuit, you may not have used it

Updated: 2022-03-17
Views: 6558

When it comes to the constant current circuit, as a hardware R \\u0026 D engineer, I believe that it will not be unfamiliar. When the LED -driven related project design is designed, such circuit problems are often encountered; for the constant current circuit, the general method is to use the two triode tubes to restra……

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Wolfspeed launched advanced X-band radar device to empower high-performance radio frequency power solutions

Updated: 2022-03-17
Views: 6371

CREE L Wolfspeed, recently launched four new types of multi-pole silicon-nitride (GAN-On-SIC) single-chip microwave integrated circuit (MMIC) device to further expand the scope of radio frequency (RF) solution, which is suitable for including maritime affairs, which Meteorological monitoring and emerging drone system r……

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New trends arise? How will semiconductor design develop in the future!

Updated: 2022-03-17
Views: 6713

The wafer plant has been produced at full load, and semiconductors can be found in more products and systems to provide motivation for various equipment from personal equipment to autonomous vehicles. Although the epidemic has affected the global economy, international data companies (IDC) said that the demand for semi……

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MOSFET's most basic thing, you can understand after reading it

Updated: 2022-03-17
Views: 7379

What is the original meaning of the MOSFET MOSFET: MOS (METAL OXIDE SEMICONDUCTOR metal oxide semiconductor), FET (Field Effect Transistor field effect transistor), that is, the grille of the metal layer (M) uses the effect of the electric field (O). To control semiconductor (S) field effects transistors. The internal ……

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Power isolation analysis of medical devices

Updated: 2022-03-17
Views: 6758

The power isolation analysis of the medical equipment is increasingly closely close to the diagnosis and treatment of modern medical equipment. Any medical equipment is inseparable from a safe and stable power supply, and most of them are switching power supply. Whether a medical equipment can exert its maximum effecti……

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Talk about the power supply system and power driver of new energy vehicles

Updated: 2022-03-17
Views: 6607

With the development of human society, there are more and more demand for energy. Energy use based on traditional methods, in addition to bringing more convenient lifestyle to humans, also brings a series of environmental pollution and climate warming. Negative impact. This prompted people to turn their attention from ……

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Silicon carbide MOSFET can significantly improve high -frequency induction heating efficiency

Updated: 2022-03-17
Views: 6633

High -frequency induction heating is heated using the principle of electromagnetic induction. The distribution of the power density in the heating workpiece can be easily obtained by the frequency selection and the reasonable design of the inductive ring. Due to the constraints of electronic switch components, high -fr……

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