PCB
PCB design tips for EMI and thermal management in 800G systems
As the industry accelerates toward 800G Ethernet and optical interconnects, engineers face new challenges in managing electromagnetic interference (EMI) while ensuring signal integrity at unprecedented speeds. The transition to 112G pulse amplitude modulation 4-level (PAM4) SerDes introduces faster edge rates and dense spectral content, elevating the risk of radiated and conducted emissions. Simultaneously, compact module…
Dead RTX 5090 with a cracked PCB gets urgent surgery from repair wizard — tech casually reballs the core, replaces a memory chip twice, and runs more wires across its traces than the NSA
A broken RTX 5090 recently landed on the desk of Northwest Repairs, run by “Tony” who also serves as the face of their chaotic YouTube channel. NorthWest specializes in semiconductor work, particularly GPUs that need to be brought back from the dead. So, when a PNY RTX 5090 came in with a cracked PCB and…
DIY Meshtastic – How To Build Your Own Meshtastic Device with FakeTec PCB & NRF52840
By Adrelien in Meshtastic — May 21, 2025 This guide details building a low-cost Meshtastic node using an NRF52840 Pro Micro, HT-RA62 LoRa module, and FakeTec PCB. Total cost is around $11. Assembly requires SMC soldering skills, followed by bootloader updates and Meshtastic firmware installation. Learn how to build your own low-cost Meshtastic node using…
80+ Interview Question and answers for PCB Designer
In this article, we have listed Interview Questions and Answers for PCB Designer Job opportunities. These PCB Designer Interview Question Answers are divided into various categories which will help you crack Interviews and secure your job. All the categories and questions are listed below, click and explore the l/topic – Interview Questions for PCB Designer…