Category Archives: Teardown

Huawei RRU3908 base station circuit analysis (part 2 of 2)

The Huawei RRU3908 is an outdoor Radio Base Station with one to four carriers and one to six sectors at 20/40 Watt RF output power per carrier. Central Processing Units Network communication is handled by a Freescale MPC8321 PowerQUICC2 CPU … Continue reading

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Huawei RRU3908 base station teardown (part 1 of 2)

The Huawei RRU3908 is an outdoor Radio Base Station with one to four carriers and one to six sectors at 20/40 Watt RF output power per carrier. Part 1 is the teardown itself with a walkthrough of different design highlights. … Continue reading

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Ericsson RBS 2216 Auxiliary Power Units teardown

I have updated a old teardown post with a new video about the auxiliary power units. Read the old post and see all the details, pictures and amplifier teardown here: http://kaizerpowerelectronics.dk/teardown/ericsson-rbs-2216-900-mhz-base-station-teardown/

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Teardown of a Merlin Gerin Pulsar ESV 22+ UPS

Here is a new teardown of a small 2.2 kW UPS that provided backup power for a small radio system used by a taxi company.

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Taxi Radio Basestation teardown – UHF/VHF Storno radio

This is a teardown of a complete Taxi computer and radio base station system. The Taxi car computer and connection box is used for location tracking, taxation, passenger detection and correct price calculation. All done in order to make sure … Continue reading

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Teardown of a medium voltage fuse (7200 V / 200 A)

I got my hands of a old NEBB (Norsk Elektriske Brown Boveri) medium voltage fuse, rated for 7200 V, 200 A and 350 MVA. My best guess from the company name is that it originates from before 1988 where NEBB … Continue reading

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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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