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Simulation integrated circuit design process -layout design basis (2)

Updated: 2022-03-17
Views: 10098

Due to the simple design of the anti -phase device and the small number of devices, the demonstration of the Layout L tool after this article is still using the Layout XL tools. You can test it by yourself. After adjusting the NMOS and PMOS transistors, select the device, press the shortcut key Q according to the size ……

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Simulation integrated circuit design process -layout design basis (1)

Updated: 2022-03-17
Views: 9788

In the design of the simulated integrated circuit, in addition to the design and simulation of the circuit, the layout design is also very important. The quality of the layout design is directly related to the performance of the chip. The next few contents will learn the content of the layout design with you. How is th……

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Three design schemes of Hengli circuit

Updated: 2022-03-17
Views: 8355

As a hardware R \\u0026 D engineer, I believe that it will not be unfamiliar with the constant current circuit. This article describes the principle diagram of the three constant current circuits. The conformity circuit of the triode constant pipe constant flow circuit of the transistor circuit is mainly to use the bas……

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IC design changes, "fixed numbers" and "variables" of EDA tools

Updated: 2022-03-17
Views: 9454

In this era, it is not possible to change in this era for EDA manufacturers. Flexibility will become an important performance indicator of the EDA tool, and flexibility is the ability of clouds. Frank Schirrmeiste said: "The industry is ushered in the era of SaaS as an EDA tool use model. Automation will provide users ……

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Detailed explanation of diode limited amplitude circuit and clamp circuit

Updated: 2022-03-17
Views: 8413

The most important feature of the diode is one -way conductivity. Using this feature can design a lot of fun and practical circuits. This article mainly describes the limited amplitude circuit and clamp circuit. When the catalog of this article is half a week and the voltage of VIN is greater than equal to 0.7V, the di……

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RS-485 bus, this article is very detailed

Updated: 2022-03-17
Views: 9317

What does RS mean in the past and present RS-485? It is the abbreviation of recomdynded standard, which means recommended standards. 485 is the standard identification number. As for why this identification number is determined, there is no need to study. RS-485, also known as ANSI/TIA/EIA-485, these prefixes are the a……

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Introduce the H bridge motor drive circuit

Updated: 2022-03-17
Views: 8011

What is the name of the H bridge because the circuit grows like a letter H, usually it contains four independent switching components, for example, there are four MOSFET switching components Q1, Q2, Q3, Q4. They are usually used to drive large loads, such as motors. There is a DC motor M in the middle of the H bridge c……

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How is the negative voltage commonly used in single -chip microcomputer generated?

Updated: 2022-03-17
Views: 8539

The principle of negative voltage generation circuit diagram often needs negative voltage in electronic circuits. For example, when we use op amp, we often need to establish a negative voltage. The following is simply taking a positive 5V voltage to a negative voltage 5V as an example to talk about its circuit. General……

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The reliability and application of the SIC power device of Zhanxin Core Electronic Analysis

Updated: 2022-03-17
Views: 7389

The advantages can better meet the development requirements of future power and electronic technology. After three years of in -depth research and development and hard work, Shanghai Zhanzhan Electronics has become the first company in China to master the 6 -inch SIC MOSFET and SBD technology, as well as SIC MOSFET dri……

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The strongest chip industry chain science, chip independent controllable in -depth analysis (1)

Updated: 2022-03-17
Views: 7804

If someone tells you, "Hi, the chip I made is 100%autonomous and controllable!" Wait, you will not rush to worship (believe) him, please read this article ... First of all, what is autonomous autonomy? The controlled and most intuitive understanding is that when others are "stuck\\ The integrated circuit industry is us……

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The strongest chip industry chain science, chip independent controllable in -depth analysis (2)

Updated: 2022-03-17
Views: 9198

The strongest chip industry chain science is connected, and the chip autonomous controllable in -depth analysis (1) The etching of the etching machine is the process of removing unnecessary materials on the wafer surface. The etching process is located after the light carvings. The light carvings use the light to copy ……

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The cold thinking behind the "gimmick theory"

Updated: 2022-03-17
Views: 8655

Recently, the article from Professor Chen Yongzhen of Liaoning University of Technology, "Nitride 镓 FET use electrolytic capacitors is just a gimmick?" Small, when the manufacturing process has no essential changes, its parasitic inductance cannot be significantly reduced, and it has an inductive characteristics at a h……

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