Teardown

Cisco Cable TV EGC GaN Segmentable Node A90201, RF Amplifier Teardown

Teardown of Cisco Cable TV EGC GAN node and drop amplifier. Electronic Gain Control (EGC) technology and GaN (Gallium Nitride) monolithic microwave integrated circuits (MMICs}. These are modern versions running on fiber networks. These small amplifiers are used in houses where it is not practical to use a receiving antenna to get the signal from …

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10 kW Sirio 10000P Solar Inverter Teardown

Teardown of a Sirio 10000P solar inverter designed in Italy and made in Taiwan. A extremely heavy and well built power house. Full of TO-264 sized IGBTs and a giant single PCB layout for the inverters. To watch more teardown videos with articles full of high resolution pictures, check out the complete list of equipment …

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Washing Machine Motor Burnout and Controller Teardown

I lost my washing machine to the flooding of the basement. I wanted to indulge in the famous Photonicinduction experiment of throwing a large rock into a running washing machine and let it dance for the internet to enjoy. It did not exactly go like that. The motor controller and driver is a Bitron Electrolux …

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50 kW Sedecal SHF-530 X-ray High Voltage Generator Inverter Teardown

This Sedecal SHF-330, with HF meaning High Frequency, was originally a 37.5 kW x-ray high voltage generator. It later received an upgrade, to a Sedecal SHF-530, which is a 50 kW 500mA x-ray high voltage generator. This x-ray generator comes in 3 different versions. Line powered drawing all power directly from mains, 20-50 kW. Capacitor …

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Server PSU Hack – Artesyn 7001138 IBM 24R2730, 12VDC 69A 830W

A guide on how to make the, Artesyn 7001138 IBM 24R2730, server power supply run outside of its server enclosure. It might not be a complete teardown, but I do give a quick rundown on how the circuit works, in functions. To learn how to hack other server power supplies, check out these articles. Server …

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10 kVA Eaton UPS Teardown – Model PowerWare 9355

Test and teardown of a Eaton 9355 UPS (formerly the Powerware 9355). It is a three-phase, double-conversion online UPS. Output power ranges from 10-15 kVA in a changeover scenario as follows: 150% for 5 sec / 125% for 1 min (online), 110% for 10 min. Battery type is 9 Ah, sealed, lead-acid, maintenance-free. Battery charger …

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Fluke Helios Plus 2287A, 1500 I/O Frontend, Teardown and Test

Teardown, cleaning and test of a Fluke Helios Plus 2287A Data Acquisition Frontend and 2181A Extender. The Frontend and extender features two Fluke 2280A-161 High Performance A/D Converter 2280A161 cards and nine 20-channel RTD/Resistance Scanner modules, for a total of 180 inputs in this setup with a Frontend and Extender. Discussion of this equipment can …

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