SFP Cage Shielding Effectiveness: Single vs Stacked EMI Guide

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LINK-PP Official  ·

Jun 05,2026
Master SFP cage shielding effectiveness (SE) to pass EMC tests. Compare single vs stacked configurations, spring fingers vs gaskets, and stop EMI leakage.

Bidirectional Fiber (BiDi): Architecture, WDM & Standards

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LINK-PP Official  ·

Jun 04,2026
Explore the engineering principles of Bidirectional (BiDi) Fiber, including WDM mechanics, technical specifications, deployment scenarios, and IEEE standards.

SFP Cage Design: Thermal, EMI & Press-Fit Guide (1G-50G)

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LINK-PP Official  ·

Jun 03,2026
Discover the ultimate engineering guide to SFP, SFP+, and SFP28 cage design. Learn thermal management, EMI shielding, and press-fit PCB rules from a 25-year architect.

SFP28 Press-Fit vs Solder: Fixing 25G Via Stub SI Failures

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LINK-PP Official  ·

Jun 01,2026
Scrapping 25G boards due to S21 insertion loss? Discover why wave-soldering QSFP cages destroys via back-drilling, and why EON press-fit is mandatory.

Fixing SFP28 EMI Failures: Pass FCC at 14GHz

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LINK-PP Official  ·

May 30,2026
Failing FCC Class B? Discover why 25G SFP28 cages act as 14GHz slot antennas. Learn PCB via stitching, stripline routing, and BeCu shielding solutions.

QSFP28 Thermal Design: Riding Heat Sinks vs Vented Cages

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LINK-PP Official  ·

May 27,2026
Stop 100G QSFP28 thermal throttling. Learn why 5W+ optical modules destroy vented cages, and how to select pin-fin vs straight-fin riding heat sinks.

IEEE 802.3dj Standard: 1.6TbE & 800GbE Specs Explained

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LINK-PP Official  ·

May 27,2026
Comprehensive engineering guide to the IEEE 802.3dj standard. Explore 200G/lane PAM4 signaling, FEC architecture, 1.6 TbE specs, and AI/ML data center deployments.

Why 25G/100G Cages Fail: Solving SFP28/QSFP Thermal & EMI Leaks

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By [Kovant/LINK-PP], Principal Data Center Hardware Architect  ·

May 26,2026
Standard SFP cages fail at 25G/100G due to 5W+ thermal throttling and 14GHz EMI leakage. Learn how riding heat sinks, BeCu springs, and press-fit architecture prevent board respins.
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