Category Archives: Teardown

Teardown of a IBM Blade server HS22V

Here I am doing a teardown on a IBM HS22V blade server dated back to 2010. The IBM BladeCenter HS22V blade server supports up to two multi-core Intel Xeon microprocessors and has eighteen memory-module slots, two SSD storage-drives bays, one … Continue reading

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Ericsson Radio Base Station RBS3206 teardown

The RBS3206 macro is an indoor Radio Base Station with one to four carriers and one to  six sectors at 20/40 Watt RF output power per carrier. All the boards that I have comes from the middle row in the … Continue reading

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Ericsson Radio Base Station RBS6000 teardown

The RBS 6201 two radio shelves can be equipped with virtually any combination of GSM, WCDMA and LTE, which are available for all common frequencies. A single radio shelf can provide up to 3×8 GSM or 3×4 MIMO WCDMA or 3×20 MHz MIMO … Continue reading

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Ericsson Radio Base Station RBS3202 teardown

The RBS 3202 macro is an indoor Radio Base Station with one to four carriers and one to  six sectors at 20/40 Watt RF output power per carrier. All the boards that I have comes from the middle row in … Continue reading

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Nokia Siemens Networks Flexi WCDMA teardown: integrated Doherty amplifier (part 5)

Nokia Siemens Networks Flexi Multiradio BTS is a GSM/EDGE, WCDMA/(I-)HSPA, and LTE base station for use in mobile telecommunication antenna networks. A network that you use daily on your cellphone. Teardown of a NXP BLD6G22L-150 integrated Doherty amplifier from a … Continue reading

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Nokia Siemens Networks Flexi WCDMA teardown: Power amplifier (part 4)

Nokia Siemens Networks Flexi Multiradio BTS is a GSM/EDGE, WCDMA/(I-)HSPA, and LTE base station for use in mobile telecommunication antenna networks. A network that you use daily on your cellphone. Part 1: System station, Part 2: Power Amplifier and Part … Continue reading

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Kone elevator 45 kW motor drive teardown

This is a Kone KM997160 variable frequency motor drive that is developed and used for elevators.  Kone has a long history of their own motor drives that came in more or less atypical enclosures compared to other variable frequency drives. … Continue reading

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Teardown video of HP SureStore DLT 818 tape backup station

The HP SureStore E DLT Autoloader 818 is a cost-effective high-performance tape storage solution. This system comes equipped with a DLT8000 drive, which transfers data at up to 12 MB per second (compressed), allowing servers to be backed up or … Continue reading

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Mysterious failure of a Siemens mini circuit breaker C6A (5SY41)

From one day to another this mini circuit breaker stopped working, I had been using it wrongly as a on/off switch and was wondering if there was a mechanism inside to disable it after too many on/off switches, as MCBs … Continue reading

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Teardown video of Eaton PowerWare 30 kVA UPS

Here is a video from taking apart 3 UPS units from Eaton PowerWare, these are 30 kVA units that was previously described in pictures and text in one of my earlier teardown articles: http://kaizerpowerelectronics.dk/electronics/teardown-eaton-powerware-30-kva-ups/ 

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