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Vias play an important role in multilayer PCB design, but in high-speed circuits they can introduce signal reflections and additional loss. This article explains via stubs, backdrilling, and how engineers…
Senior PCB Professional
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Controlled impedance is essential in high-speed PCB design to ensure signal integrity and minimize reflections. This article explains how engineers achieve 50Ω and 100Ω impedance through stackup design, trace geometry,…
Senior PCB Professional
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In high-speed PCB design, signal behavior is strongly influenced by its return path. Proper ground plane design ensures stable impedance, reduces EMI, and improves signal integrity. This article explains how…
Senior PCB Professional
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Skin effect is a key factor in high-frequency PCB design. As frequency increases, current concentrates near the surface of the conductor, increasing effective resistance and signal loss. This article explains…
Senior PCB Professional
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Crosstalk is a common issue in high-speed PCB design where signals on adjacent traces interfere with each other. It is typically categorized into near-end crosstalk (NEXT) and far-end crosstalk (FEXT).…
Senior PCB Professional
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Compare HASL, ENIG, and OSP PCB surface finishes: process details, pros, cons, cost, shelf life, and a step-by-step guide to selecting the right finish for your design.
Senior PCB Professional
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Not all FR4 is created equal. From thermal stability to signal integrity, the substrate you choose defines your product's success. Learn how a professional PCB Supplier evaluates laminates within the…
Senior PCB Professional
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A comprehensive step-by-step guide to choosing the right PCB manufacturer. Learn how to evaluate capabilities, certifications, lead times, and pricing — and avoid the common mistakes that cost engineers time…
Senior PCB Professional
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Don't let a misunderstanding of IPC standards ruin your product's reliability. This deep dive explains the critical differences between IPC Class 2 and Class 3. Discover how a professional PCB…
Senior PCB Professional
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Not all boards are created equal. High-stakes industries like medical and automotive demand zero-failure performance. Discover how a specialized PCB Supplier tailors production within the PCB Factory to meet IPC…
Senior PCB Professional
Han Sphere Blog shares the latest trends, technologies, and best practices in PCB design, manufacturing, and the electronics industry. Our expert team regularly shares their knowledge and experience.
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