In today’s rapidly evolving automotive industry, radar technology has become a cornerstone of vehicle safety and autonomous driving capabilities. Among the most significant technological shifts in recent years is the transition from 24GHz to 77GHz radar systems. This change represents more than just a numerical upgrade 鈥� it marks a fundamental improvement in how vehicles […]
Read articlePCB Manufacturing / PCB Design吃瓜tv 路 ENGINEERING REFERENCESTM32 PCB Design: Power, Clock, Debug & Layout ReviewReview power, clock, boot and debug for your exact STM32 device. Build an evidence checklist and prepare a controlled prototype assembly.Discuss your requirementsOpen the worksheetOriginal engineering guidance 路 References checked…
Read articleDecoupling capacitors are just the starting point for ensuring robust power integrity in digital systems. While discrete bypass capacitors remain a standard solution for single ASICs, modern high-speed designs demand a holistic approach鈥攐ne that addresses power delivery network (PDN) impedance across all relevant frequencies, from kHz to GHz. At lower frequencies, traditional discrete capacitors dominate, but their […]
Read articleIn the world of electronics manufacturing and repair, flux plays a crucial role in ensuring high-quality solder joints and overall circuit board performance. Whether you’re a professional engineer or a hobbyist, understanding the importance of flux in PCB (Printed Circuit Board) assembly and maintenance is essential. This comprehensive guide will delve into the world of […]
Read articlePCB Manufacturing / Solder mask吃瓜tv 路 ENGINEERING REFERENCESolder Mask Clearance: Openings, Registration & DFMCheck pad openings, remaining mask webs and registration allowance together. Calculate a simple NSMD geometry before discussing the exact fabrication limits.Discuss your requirementsOpen the worksheetOriginal engineering guidance 路 References checked September 27,…
Read article吃瓜tv 路 ENGINEERING GUIDESolder Mask Expansion: Signed Offsets, CAD Rules and Export VerificationSolder-mask expansion is the offset used to derive a mask opening from a reference shape in CAD. In a simple pad-based rule, a positive offset makes the opening larger and a negative offset…
Read article吃瓜tv 路 ENGINEERING GUIDECopper Filled Via: Electroplated Fill, Geometry and EvidenceA copper filled via contains deposited copper within the via cavity rather than only a hollow plated wall. It can support dense interconnection structures and alter electrical or thermal paths. It is distinct from resin…
Read articleIn the rapidly evolving world of electronics, printed circuit boards (PCBs) are becoming increasingly complex and powerful. With this surge in capability comes a significant challenge: managing the heat generated by these sophisticated components. Effective PCB thermal management is crucial for ensuring the reliability, longevity, and performance of electronic devices. This comprehensive guide delves into […]
Read articlePCB Manufacturing / HDI PCB / Buried Vias吃瓜tv 路 Internal interconnect planningBuried Vias: Plan the Internal BuildMake the internal connection traceable before it is enclosed.Plan buried-via drill pairs, internal subassembly depth and inspection requirements. Prepare a build brief before the final lamination sequence is agreed.Request…
Read article吃瓜tv 路 ENGINEERING GUIDEVia Covering Types: Tenting, Plugging, Filling and CappingVia covering is an umbrella term that can hide several different constructions. Tenting covers an opening with a film or mask; plugging places material into part of the hole; filling occupies the intended hole volume;…
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