Nokia Siemens Flexi BTS base station teardown: Power amplifier (part 1 of 2)

Teardown of a Nokia Siemens Networks Flexi BTS base station. This have been in service as a 6 antenna GSM system for mobile telecommunications. GSM/EDGE, WCDMA/HSPA and LTE capable. 2×40 Watt output power. also a picture of me pointing at …

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Eaton PowerWare 20 kVA UPS teardown

Here is a little quick, dirty and early morning junk yard teardown of a 20 kVA Eaton PowerWare UPS system. I have earlier taken some of these systems apart and you can see the differences from there photo galleries: File …

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GE AMX-II, mobile 110kV X-RAY system teardown

Teardown of SCR inverter controller, driver and bridge for a General Electric mobile x-ray unit, the AMX-II. Features a 120V battery operated apparatus from 1979 which has a 60 Hz mains inverter and 500 Hz high voltage inverter. All analog …

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