Nokia Siemens Flexi WCDMA 2100MHz Base Station Teardown: System Station. (Part 1 of 3)
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- เผยแพร่เมื่อ 12 ก.ย. 2024
- Teardown of a Nokia Siemens Networks Flexi WCDMA base station. This have been in service as a 6 antenna GSM system for mobile telecommunications. GSM/EDGE, WCDMA/HSPA and LTE capable. 3x60 Watt output power.
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Hughe jobs to do by those boards.
Cheers from Indonesia
lost 3.3v source on main controller? help me explain?
great video. thank you for sharing.
Interesting teardown! I see a lot of what look like TI SMPS modules on the boards. You might want to keep those, they're quite nice.
I did not save any complete SMPS modules, as they are mostly DC-DC converters I did not imagine a use for it right now or in a distant future :)
the one i gathered had a PC module on the right containing a chipset, some ram chips and a Intel processor( WPIXP2350ADT) some LAN and one fibre port.
That sounds very much like the Central processing unit DXU-31 I have from a older system, check it out here: kaizerpowerelectronics.dk/teardown/ericsson-rbs-2216-900-mhz-base-station-teardown/
97 amps at 48 volts..
That's a lot of signal.
About 90% of it is heat dissipation, normally the transit power is around 40-90W per channel.
For some reason, I thought it was larger
Thumbs up :)