BADCAPS
DATABASE: WRITTEN RECORDS

ENGINEERING
LOGS & RESEARCH

Microscope Repair
FEATURED ADVANCED REPAIR
JUN 14, 2023 BY ADMIN 12 MIN READ

Reballing the RTX 4090: A Survival Guide

Modern BGAs are prone to cracking under thermal stress. We document the precise heat profiles and flux chemistry required to successfully reball high-end GPUs without delamination.

Capacitor Box
THEORY

Polymer vs Electrolytic: The Reality

Are solid polymer caps really the cure-all for power ripple? We analyze the ESR charts.

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Oscilloscope
TOOLS

Budget Oscilloscopes for 2024

You don't need a Tektronix to find a short. Reviewing the best sub-$300 rigs.

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Old circuit board
RETRO

Restoring the Amiga 500

A complete walk-through on neutralizing battery acid damage on vintage PCBs.

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Soldering
GUIDE

Flux Chemistry 101

Understanding the difference between Rosin, No-Clean, and Water Soluble flux.

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