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PCB BOM Creation as a Living Document PCB BOM Creation as a Living Document The other day my son bought himself a new phone because the navigator in his old phone was defective. Every time that he used the old phone for directions, he would end up getting lost. Although taking the time to get a new phone wasn’t in his plans, he could no longer afford wasting time trying to figure out where he was and where he needed to go next. His difficulties reminded me of the problems that I’ve seen in some PCB design groups where Read Article
Why an Auto-Interactive Router Routes Cleaner Traces than an Auto Router Why an Auto-Interactive Router Routes Cleaner Traces than an Auto Router When I was a boy, my room was always a mess. Since I thought I knew where everything was, there was no reason to clean it. Finally, after a lot of pressure from my parents and my peers, I capitulated and cleaned up the room. The difference was amazing. It was so much easier to get around now that I had a clear path. The same can be said about PCB trace routing from an auto router. Auto routers are known for producing disorganized routes that are Read Article
Bill of Materials Inventory Management and the Benefits of an Online Parts Request System Bill of Materials Inventory Management and the Benefits of an Online Parts Request Documentation Systems I once asked a family member to borrow some money to use as a down payment. His response included a counter-proposal that I didn’t understand, so I let it pass. Unfortunately by not understanding his answer to my request, I missed out on an even better opportunity than what I had initially asked for. That exchange has stayed in my mind as an example of how important clear communication is. In our world of PCB design, the need for clear Read Article
Important Considerations in Your Embedded System's Master-Slave Communication Model Important Considerations in Your Embedded System's Master-Slave Communication Model It can take a few weeks or months to finish a working prototype of an embedded system. Sometimes I would spend days working on a single part of the project. However, when your boss is looking for updates every day, it can be particularly distracting and hinder your productivity. When I started my design company, I learned not to repeat these mistakes on my team. Like a human, embedded systems come in various shapes and sizes, and more importantly Read Article
High Speed PCB Design Considerations: Bypass Capacitor Place and Route Tips High Speed PCB Design Considerations: Bypass Capacitor Place and Route Tips Many years ago, the majority of the board designs that I was involved with were simple digital designs. Placing and routing bypass capacitors in those designs was very easy, and often the circuitry was slow enough that ceramic capacitors were not needed. Most of the time we considered bypass capacitor placement and routing as more of an afterthought than as a primary design consideration. I remember how some of the engineers even instructed me to Read Article
The Importance of Compliance Awareness in Circuit and PCB Design The Importance of Compliance Awareness in Circuit and PCB Design I had an English professor once who was a lot of fun, but man, his requirements for essay writing were brutal. Making a decent grade required a ton of work. I had to check and recheck my paper’s content to make sure that every detail he asked for was painstakingly covered. These tedious rituals, though annoying and painful, helped teach me how to be thorough with my research. This was something that came in handy when I began my career and had to Read Article
Why PCB Design Auto-Interactive Routing is Not a PCB Autorouter Why PCB Design Auto-Interactive Routing is Not a PCB Autorouter Editorial credit: Santiparp Wattanaporn / Shutterstock.com A while back I was given the gift of a flight in an AT-6, a WWII era airplane used for training fighter pilots. There couldn’t have been a better gift for an aviation enthusiast, and I spent the next 5 months eagerly anticipating it. Finally, the day arrived and I couldn’t have been happier as we took off into the wild blue yonder. Then the pilot demonstrated an aileron roll, and my Top Read Article
How to Plan Ahead to Meet PCB Disposal Requirements How to Plan Ahead to Meet PCB Disposal Requirements When I was a kid and learned to solder, I had a mentor that kept an old coffee can on his soldering bench labeled “Lead Waste - DO NOT THROW IN TRASH.” Wire snippings, solder bits, and the random metal detritus that accumulates on a soldering mat all went in there. Apparently, it got full every few years and he took it to a local electronics recycling place to make sure he wasn’t adding any lead or heavy metals to the environment. I was shocked Read Article
Designing a PCB for High voltage: PCB Layers Designing a PCB for High voltage: PCB Layers My sister used to decorate cakes as a 4-H project, while I showed chickens and built a computer. She had to create at least six “show quality” cakes a year, plus all the versions that didn’t come out perfect. It turns out you can actually get tired of eating cake, so eventually you just get styrofoam forms and decorate those. It gives you a chance to practice the design before you actually put it on a real cake. Getting the design right might Read Article
The Best PCB Design Software Tools and How They Work The Best PCB Design Software Tools and How They Work Using the right tools can save you lots of time, money, and frustration no matter what type of design you intend to realize. The old adage “work smarter, not harder” definitely applies to printed board design. Great PCB design software will provide the tools you need to work intelligently, instead of frustrating you with awkward features. Your choice of EDA software is subjective to your design needs. Most of the time it comes down to having the Read Article
Hand Routing vs Using an Automated Router: Why Auto-Interactive Routing Is the Ideal PCB Design Solution Manual Routing vs Using an Automated Router: Why Auto-Interactive Routing Is the Ideal PCB Design Solution I have been designing printed boards for a long time. Like most experienced PCB designers, I have my reservations about autorouters. Autorouters have a reputation for being difficult to set up and run, taking a long time to work, and giving questionable results. Often you would put your board into the router in the evening only to find the next morning that the results were not worth saving. I knew designers who would spend hours and hours Read Article
How PCB BOM Management Tools Facilitate Efficient Communication Between Departments How PCB BOM Management Tools Facilitate Efficient Communication Between Departments Many years ago, I was a junior PCB learning the ropes of the trade in a large company. To help me understand the entire product production process, my boss took me on a tour of the manufacturing floor. The people that I met there were not rude per say, but I noticed a subtle attitude of, “Oh, you’re one of them” that puzzled me. The reason for their annoyance I found out later was that they would routinely suffer delays because of bad information Read Article
Bill of materials in Supply chain management: Part inventory control Bill of Materials in Supply Chain Management: Part Inventory Control Sending information to other departments and personnel is a regular part of the PCB design process. For purchasing, their part of this process starts when engineering sends them a bill of materials () for a new design. At this point in the design cycle, the is a preliminary document and it is constantly changing as are added, updated, or eliminated during the design cycle. The problem for purchasing is that this constantly changing data impacts Read Article
High Speed PCB Design Considerations: Component Shapes Considerations High Speed PCB Design Considerations: Component Shapes Considerations When starting a high speed PCB design, there’s a lot that must be considered before the design ever gets into layout. Schematic organization, board materials & layer configuration, critical component placement, and how high speed signals are to be routed are all aspects of high speed design that need to be planned for. Often there is one area that doesn’t get as much consideration as everything else, and that is the component footprint shapes Read Article
How PCB BOM Management Can Reduce Delays in Manufacturing PCB BOM Management: Spend Less Time on Your BOM and Reduce Delays in Manufacturing Real-time solutions with management tools Cafeterias in colleges, summer camps, and schools are often known for serving up food that has a consistent quality and similar ingredients. For the kids who are tired of eating spaghetti with meatballs, this approach to food production is a downer. However, from a manufacturing point of view, using standard ingredients with minimal variety makes for efficient production. This is also true in circuit Read Article
Introduction to High Speed PCB Designing: Is FR-4 the Best Board Material Choice for High Speed PCB Design? Introduction to High Speed PCB Designing: Is FR-4 the Best High Speed Material Choice for High Speed PCB Design? We’ve all been there at one time or another when we’re tasked with a project that lies outside our comfort zone. For me, that day came when my boss asked me to design a high speed board. While I considered myself to be a somewhat experienced PCB designer, I knew that high speed PCB design has many restrictions that you do not normally encounter when you’re designing an average circuit. Initially I invested time into making my schematics Read Article
PCB Circuit Design Tips: Standard vs. Specialized Component Selection PCB Circuit Design Tips: Standard vs. Specialized Component Selection in PCB Design As a kid, I was fascinated by hovercrafts. These nearly frictionless vehicles go from land to water without pause and spin 360s on demand like a carnival ride. I knew that the cost of a full-scale build would require mowing every yard in the county, so instead, I started by constructing a homemade radio-controlled model. It worked beautifully on ponds and flat parking lots, but in our hilly corner of the woods, the sleek craft required all of the Read Article