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Latest company new about Understanding the Fundamentals Of PCB Design (1)
2022/08/23

Understanding the Fundamentals Of PCB Design (1)

To become a skilled designer, knowing the fundamentals to PCB design is essential. Understanding the correct components selection, schematic check and the final QC is vital to the design to be successful. PCB design in brief The design of a printed circuit board begins by creating an initial block diagram. The block diagram is then converted into the schematic design by using software called CAD. Schematics are the representation of symbols for components as well as internet connections that connect them. Nets are the trace lines that are on the boards. Pre-layout is the next stage during the design process. you will need to ensure that the BOM (bill of materials) from the schematic is checked for components with long lead times as well as obsolete components. Validation involves confirming the manufacturer's parts numbers (MPNs) along with vendor's part number (VPNs). This stage also involves the stack-up design. The next step is then the next step is the PCB design phase. This involves setting the parameters of the board and determining the outline and routing the components and then generating the production documentation using a suitable outline checklist for design.   PCB design basics When creating an entirely new PCB, it's important to stick to basic design principles. If this is not done, it can create a bad design, which will be extremely difficult to make. So, it is important to be aware of the following ideas: Select the appropriate components and sizes of packages As a designer of boards, you must thoroughly research the BOM and study the components which make up the design. If you have enough space on your board, you could choose more powerful components for resistors as well as capacitors. It is best to choose 0603 or 0805 sizes of capacitor/resistor rather than 0402 or 0201. Choose one of the lower size package model of the part if you re experiencing problems with spacing. Also, select the appropriate component and package based upon the voltage, current and frequency. Smaller components are produced by various manufacturers. This allows designers to select alternative components without altering the design or layout in order to provide a prompt solution for parts that aren't readily available. Additionally, it is essential to determine the proper size of the packaging during the PCB design stage. It is advised to select smaller packages only when absolutely necessary or else, select larger ones. The use of too many small components packages could cause problems in the assembly of circuit boards and cause issues in cleaning and working. When you've determined the perfect size for your package then you can select components that fall into the same density category.   Do not use components with long lead times. The inability to supply components could result in significant delays. Therefore, it is recommended to verify availability when checking the spacing of components. If the component you are looking to purchase has a lengthy lead-time, purchase it as soon as you can. It's advantageous to have other components that have identical footprints. The assembly vendors can also acquire the most widely-available components to ensure that each component will be available at the time to build the boards. Schematic checks A schematic is an organized circuit diagram that shows the electrical connections among different electronic components. Schematic design basics often get ignored. Check the following: • Verification of pin numbers and labels in symbologies of components • A polarity test for all the components that are polarized. • Labels that overlap and pins • Assuring that the base, collector and emitter pins conform to the schematic symbols, datasheets and footprint package • Validation of the value of the component and location as well as the reference designations • Descriptions of the symbols in the schematic • Connectors off-page • Examining the reference to the intersheet • Check the decoupling capacitor for the presence of all ICs Ground pin separation based on the type of signal (analog digital, digital ground) • Netlist checks for design accuracy and connections that are not correct Check out our article on netlist and schematic checks to ensure that designs are error-free to comprehend the draft checks, schematic checks check connectivity, ERC checks.   Test points are added to all signals that are important The design for test is needed to test the electrical conductivity of the circuit board. It is important to add test points for all the important signals in order to make it easier for tests on electrical conductivity (E-test) and tests in circuit (ICT). Be aware of the following: 1. Side of the board:If possible, all testing points should be placed in the exact same place on both sides of the boards in order to make testing easier. 2. Minimum distance between test points: The minimum distance between test points is 0.100 inches. This increases test efficiency. 3. Distribution of test points The distribution of test points equally on circuit boards helps in testing using several probes. 4. Area for components that are taller The designation of the area that is designated for taller components will speed up the testing. 5. The tolerances for manufacture: Make sure to take into account manufacturing tolerances when designing the layout that will allow area for test points. Be sure that your BOM is current when designing A BOM is an in-depth listing of all the parts needed to make an item. Make sure that your BOM is kept current while you are making your design, and if you make any modifications in your designs, be sure that you've reflected the changes on the bill of material. For instance, if you alter the part number in your schematic, make sure you update your BOM too. Before you verify the BOM file, be sure that all active components are included. Parts should be verified with regard to some fields, which will be talked about next time.
Latest company new about Retrospect the reason of Kingtech’s new factory’s construction in Jiangxi
2022/03/28

Retrospect the reason of Kingtech’s new factory’s construction in Jiangxi

Hallo, amigo! We just constructed a plant in Jiujiang City, Jiangxi Province, to better serve our consumers. It cost about 2.3 billion yuan and has more modern machinery and ideal production conditions. There are a number of reasons why we constructed it.   One of the reasons for building this new factory in Jiangxi is the local advantage, such as the easy access to transportation and low production costs. On the one hand, Jiangxi boasts a renowned corporate culture in addition to a favorable physical and economic environment. On the other hand, Jiangxi has continued to support a development strategy that is driven by innovation and that deeply integrates science, technology, and culture during the past few years. In order to better meet the new expectations of the people’s spiritual and cultural life, it is advantageous to lead Jiangxi’s reform and development in the new era, accelerate the application of cultural and scientific advancements, and support the development of 5G, artificial intelligence, digitalization, VR/AR, and other new technologies.   Jiangxi stepping up the building of demonstration bases is the second and most crucial factor. Jiangxi will host a large number of national demonstration bases for the fusion of culture and technology by 2025, as well as provincial demonstration bases. Jiangxi also emphasizes the importance of scientific and technological innovation and cultural creativity as “twin engines” and encourages local communities to develop regional patterns for the integration of science, technology, and culture in accordance with their level of economic and social development and available resources.   In order to boost the soft power and added value of “Jiangxi Smart Made,” Jiangxi also emphasizes the industrial application of intelligent manufacturing, additive manufacturing, artificial intelligence, and other cutting-edge technological advancements in production. This promotes the growth of emerging consumer goods like wearable technology, intelligent hardware, immersive experience platforms, and digital media.   Finally, allow me to give you a little introduction to Jiangxi Province, a stunning location. Jiangxi, a lovely region with a profoundly splendid ancient culture, is known for its “Natural Treasures, Outstanding People” reputation. This region has produced numerous cultural ancient relics and scenic spots, including Lushan, Jinggangshan, Tengwang Pavilion, Jingdezhen Folk Expo Area, Cradle of the Republic of Ruijin Scenic Spot, and others. The Kuangshan World Cultural Heritage Site, also known as Lushan, is situated in Jiujiang City, Jiangxi Province, and is well-known around the world. Chinese poets including Bai Li, Juyi Bai, Shi Su, Anshi Wang, and You Lu used it to create more than 4000 historical poetry and songs. Mount Lushan is renowned for its education, culture, and religion and has a rich cultural history.
Latest company new about Annual team building activity of Kingtech
2021/11/10

Annual team building activity of Kingtech

Kingtech Team’s Preparation Life is not only including work, but distance and happiness. In the golden autumn of October with sunshine, in order to enrich employees’ cultural life and intensify team’s cohesion, Guangdong Kingshine’s One-stop Business Department Kingtech, organized all staffs to participate in the group construction activity, the destinations of which are Xunliao Bay and Lion City, Huizhou. We made full preparation for this event, some of colleagues in charge of different regions gathered in Shenzhen. At 9:30 am on the first day, we arrived at the company on time and took a group photo first. Let’s go! Kingtech Team on the way About two hours’ drive later, Kingtech Team arrived at Xunliao Bay, one of the destinations of this journey. Along the way, we enjoyed the beautiful scenery and talked with each other happily, which enhanced our mutual affection. After lunch, we arrived at Victory Air villa to check in, took a rest and then went to a seascape restaurant for BBQ. Everyone was eager to show their exquisite barbecue skills. Blowing the sea breeze, listening to the waves, eating delicious meals, happiness is such simple. During this period, we introduced each other, shared our successful work experience, which enhanced communication and interaction among employees, and effectively promoted the construction and development of the team. The end of the beach barbecue means the first day is over! At 10 o ‘clock of the second day, all the members with the joyful mood set off for the second destination,The Lion City. When we arrived, we immediately was obsessed by the square with European architectural style, and put forward phones to record, then, all of us took a group photo, the background of which is live buildings group with European baroque style! As the banner says, “Harmony, innovation, unity and struggle”, it reflects the spirit and will of KingTech’s people. In the Lion City scenic area, we not only watched Multi-media Water Show in the Victory Square and the Mermaid Show, but also experienced the Karting races, sports climbing, haunted house, indoor CS battle and so on. The happy and relaxing atmosphere lets everyone temporarily put down the busy work, release the pressure and adjust our own state in time.   In the laughter, the group construction activity was close to the end. At 5 o ‘clock in the afternoon, we returned back to our warm home – Shenzhen. Kingtech Team’s Feelings and Gains The group construction activity, made the relationship between Kingtech colleagues become closer, and also let us feel the company’s outstanding team culture of unity, trust and harmonious cooperation. Thus, we will devote ourselves to the future work and life in a more concentrated and positive condition, be consistent with our original aspiration, challenge and achieve ourselves. Live up to the time, bravely go ahead!
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