Author: Grace

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Artificial intelligence “invades” chip manufacturing
ByGrace January 2, 2025December 31, 2024
Artificial intelligence (AI) is currently transforming multiple industries. There is an interesting phenomenon: artificial intelligence is helping to promote the advancement of artificial intelligence chips. As early as June 2021, Google used AI to design its TPU chip. Google said that artificial intelligence can complete chip design work that takes months to complete manually in…
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How to choose PCB materials for microwave amplifiers/millimeter wave amplifiers
ByGrace January 1, 2025December 30, 2024
5G represents the latest and greatest in wireless technology, and both design and manufacturing will be challenging, and of course circuit board materials will be challenging, because it will operate at many different frequencies, such as 6 GHz and below, as well as millimeter wave frequencies (typically 30 GHz and above). It will also combine…
Read More How to choose PCB materials for microwave amplifiers/millimeter wave amplifiers
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How to solve signal interference in the design of radio frequency printed circuit board (PCB)
ByGrace January 1, 2025December 30, 2024
With the development of electronic communication technology, wireless radio frequency circuit technology is more and more widely used. The performance index of radio frequency circuit directly affects the quality of the whole product. The anti-interference design of radio frequency printed circuit board (PCB) is of great significance to reduce the electromagnetic information radiation of the…
Read More How to solve signal interference in the design of radio frequency printed circuit board (PCB)
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Four common methods for analyzing circuits
ByGrace January 1, 2025December 31, 2024
Electronic circuit diagrams are used to represent the composition, structure, nominal value of components and other information of actual electronic circuits. The actual circuit situation can be known through the circuit diagram. In this way, when we analyze the circuit, we don’t have to turn the physical object over and over again, but just take…
Read More Four common methods for analyzing circuits
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Let you know what is the DPC process of copper-clad ceramic substrate
ByGrace January 1, 2025December 30, 2024
Let you know what is the DPC process of copper-clad ceramic substrateDirect Plating Copper (DPC) process: It is a process method for preparing high-density electronic packaging materials. This process is the main method for metal film deposition in microelectronics manufacturing. It mainly uses surface deposition processes such as evaporation and magnetron sputtering to metallize the…
Read More Let you know what is the DPC process of copper-clad ceramic substrate
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Precautions in PCB design
ByGrace January 1, 2025December 30, 2024
As an electronic engineer, designing circuits is a necessary hard work. However, no matter how perfect the principle design is, if the circuit board design is unreasonable, the performance will be greatly reduced, and in serious cases, it may not work properly. Based on my experience, I have summarized the following points that should be…
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Full introduction to PCB vias
ByGrace January 1, 2025December 30, 2024
Via is one of the important components of multi-layer PCBs, and the cost of drilling holes usually accounts for 30% to 40% of the cost of PCB board manufacturing. Simply put, every hole on a PCB can be called a via. From the perspective of function, vias can be divided into two categories:One is used…
Read More Full introduction to PCB vias
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Reliability Design of PCB Boards for High-speed DSP Systems
ByGrace January 1, 2025December 30, 2024
This article introduces the characteristics of PCB boards for high-speed DSP systems and several issues that should be paid attention to in reliability design, including power supply design, software and hardware anti-interference design, electromagnetic compatibility design, heat dissipation design, and wiring methods for important signal lines of high-speed circuits, so that each design is more…
Read More Reliability Design of PCB Boards for High-speed DSP Systems
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Reliability Design of PCB Boards for High-speed DSP Systems
ByGrace January 1, 2025December 30, 2024
This article introduces the characteristics of PCB boards for high-speed DSP systems and several issues that should be paid attention to in reliability design, including power supply design, software and hardware anti-interference design, electromagnetic compatibility design, heat dissipation design, and wiring methods for important signal lines of high-speed circuits, so that each design is more…
Read More Reliability Design of PCB Boards for High-speed DSP Systems
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Electromagnetic compatibility design of RF circuit printed circuit board
ByGrace January 1, 2025December 30, 2024
With the development of communication technology, handheld wireless RF circuit technology is increasingly used, such as wireless pagers, mobile phones, wireless PDAs, etc. The performance indicators of the RF circuits directly affect the quality of the entire product. One of the biggest features of these handheld products is miniaturization, and miniaturization means that the density…
Read More Electromagnetic compatibility design of RF circuit printed circuit board
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Development Trends of Foreign Printed Circuit Board Manufacturing Technology
ByGrace January 1, 2025December 30, 2024
I. Brief Introduction to Foreign Printed Circuit Board Manufacturing Technology With the development of micro-device manufacturing and surface mounting technology, the manufacturing technology of printed circuit boards has been innovated and improved faster, especially the wire width of circuit graphics. Currently, the widely used wire width abroad is three wires between pins, and the wire…
Read More Development Trends of Foreign Printed Circuit Board Manufacturing Technology
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Detection methods for hazardous substances in the RoHS directive in the PCB industry
ByGrace January 1, 2025December 30, 2024
1.X-ray fluorescence spectrometry ① Scope of application: Screening test of lead, mercury, cadmium, total chromium and bromine in plastic parts, metal parts and electronic components ② Technical features: One-time rapid qualitative analysis of lead, mercury, cadmium, chromium and bromine in samples. No sample preparation is required for homogeneous samples, and non-destructive testing can be performed….
Read More Detection methods for hazardous substances in the RoHS directive in the PCB industry
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Physical recycling and comprehensive utilization technology of waste PCB
ByGrace January 1, 2025December 30, 2024
How to effectively recycle waste circuit boards has become a new topic related to the sustainable development of my country’s economy, society and environment and the recycling of renewable resources in my country. Printed circuit boards (PCBs) are made of glass fiber, reinforced resin and a variety of metal compounds. If waste circuit boards are…
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Conductive pattern wiring design
ByGrace January 1, 2025December 30, 2024
Wiring is to lay out printed conductors according to the electrical schematic or logic diagram and network table as well as the required wire width and spacing. The width and spacing of the wires cannot exceed the limit of the manufacturability requirements of the printed board. And the impact of manufacturing tolerances on the width…
Read More Conductive pattern wiring design
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Why can conventional impedance control only be 10%?
ByGrace January 1, 2025December 31, 2024
With high-speed signal transmission, higher requirements are put forward for high-speed PCB design. Impedance control is a conventional design of high-speed PCB design. There will be processing errors in more than a dozen processes of PCB processing. At present, the impedance control of conventional board factories is within 10% error. In theory, the smaller this…
Read More Why can conventional impedance control only be 10%?

Author: Grace

Artificial intelligence “invades” chip manufacturing

How to choose PCB materials for microwave amplifiers/millimeter wave amplifiers

How to solve signal interference in the design of radio frequency printed circuit board (PCB)

Four common methods for analyzing circuits

Let you know what is the DPC process of copper-clad ceramic substrate

Precautions in PCB design

Full introduction to PCB vias

Reliability Design of PCB Boards for High-speed DSP Systems

Reliability Design of PCB Boards for High-speed DSP Systems

Electromagnetic compatibility design of RF circuit printed circuit board

Development Trends of Foreign Printed Circuit Board Manufacturing Technology

Detection methods for hazardous substances in the RoHS directive in the PCB industry

Physical recycling and comprehensive utilization technology of waste PCB

Conductive pattern wiring design

Why can conventional impedance control only be 10%?

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