assembly drawing pcb

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Basic knowledge of component packaging
ByGrace February 7, 2025February 6, 2025
Packaging refers to connecting the circuit pins on the silicon chip to the external connector with wires so as to connect with other devices. The packaging form refers to the shell used to install the semiconductor integrated circuit chip. It not only plays the role of installing, fixing, sealing, protecting the chip and enhancing the…
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Basic methods to minimize RF effects during PCB interconnect design
ByGrace February 7, 2025February 6, 2025
The interconnection of the circuit board system includes three types of interconnection: chip to circuit board, interconnection within the PCB board, and between the PCB and external devices. In RF design, the electromagnetic characteristics at the interconnection point are one of the main problems faced by engineering design. This article introduces various techniques for the…
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Design skills and key points for efficient automatic wiring of PCB
ByGrace February 7, 2025February 6, 2025
Although the current EDA tools are very powerful, as the PCB size requirements are getting smaller and smaller and the device density is getting higher and higher, the difficulty of PCB design is not small. How to achieve a high PCB routing rate and shorten the design time? This article introduces the design skills and…
Read More Design skills and key points for efficient automatic wiring of PCB
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Reliability Design of Mobile Phone PCB
ByGrace February 5, 2025February 5, 2025
With the increase of mobile phone functions, the design requirements for PCB boards have become increasingly higher. With the advent of a new round of Bluetooth devices, cellular phones and the 3G era, engineers are paying more and more attention to the design skills of RF circuits. Radio frequency (RF) circuit board design is often…
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PCB Design Specifications for LED Switching Power Supply
ByGrace January 20, 2025January 17, 2025
In any switching power supply design, the physical design of the PCB board is the last link. If the design method is not appropriate, the PCB may radiate too much electromagnetic interference, causing the power supply to work unstably. The following is an analysis of the matters that need to be paid attention to in…
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78% of hardware failures are caused by welding problems
ByGrace January 11, 2025January 10, 2025
Have you been entangled in the failure analysis of circuit boards for a long time? Do you spend a lot of energy in the process of sample debugging? Have you doubted your original correct design?Perhaps many hardware engineers have had similar psychological dialogues. Data show that 78% of hardware failures are caused by poor welding…
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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…
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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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About the design skills of printed circuit boards
ByGrace December 30, 2024December 27, 2024
At present, electronic equipment used in various electronic equipment and systems still uses printed circuit boards as the main assembly method. Practice has proved that even if the circuit schematic is designed correctly, improper design of the printed circuit board will have an adverse effect on the reliability of electronic equipment. For example, if two…
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assembly drawing pcb | PCB Assembly
Optimizing Assembly Drawings for PCB Design and Production
ByAndwin Circuits December 22, 2024
This article explores best practices for optimizing assembly drawings in PCB design and production, highlighting techniques to enhance clarity, accuracy, and efficiency, ultimately streamlining the manufacturing process and reducing errors.
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Follow these 5 steps to debug
ByGrace December 17, 2024December 16, 2024
Test before power on After a circuit board is soldered, when checking whether the circuit board can work normally, it is usually not directly powered on, but the following steps should be followed to ensure that there is no problem in each step before powering on. 1.Whether the connection is correct Check the schematic diagram….
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assembly drawing pcb | PCB Assembly
Understanding PCB Assembly Drawings for Effective Design
ByAndwin Circuits December 16, 2024
This article explores the essential components of PCB assembly drawings, providing insights into effective design practices. It highlights key elements, symbols, and techniques to enhance understanding and improve the assembly process for successful outcomes.
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Mentor explains 3D PCB system design technology for PCB design challenge
ByGrace December 4, 2024December 3, 2024
At the Mentor 2013 China PCB Technology Forum, Mentor explained three-dimensional (3D) PCB system design technology, multi-board system design, advanced packaging and appearance collaborative design methods, the concept of improving design efficiency through reuse, and power integrity and other design methods for the challenges faced by complex PCB design. Challenges of PCB design In the…
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High Temperature PCB – Circuit Boards for High Temperature Applications
ByGrace December 2, 2024November 28, 2024
It’s no secret that designers are squeezing more performance out of printed circuit boards. Power densities are rising, and with them come higher temperatures that can wreak havoc on conductors and dielectrics. Increased temperatures—whether from I2R losses or environmental factors—affect thermal and electrical impedances, leading to erratic system performance, if not outright failure. Differences in…
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Improvement method of hole/permeation problem when using PCB dry film
ByGrace November 28, 2024November 26, 2024
1. Dry film masking holes appear broken Many customers believe that after the occurrence of broken holes, the film temperature and pressure should be increased to enhance the bonding force. In fact, this view is incorrect. Because the temperature and pressure are too high, the solvent of the resist is excessively volatilized and dried. The…
Read More Improvement method of hole/permeation problem when using PCB dry film