Author Archives: Mads Barnkob

About Mads Barnkob

Electrician, programmer, experimenter and amateur scientist with experience in industry automation, programming and all kinds of high voltage generating electronics. Administrator of www.kaizerpowerelectronics.dk and the high voltage community forum www.highvoltageforum.net

DRSSTC design guide updated with MMC design guide

It only took me a mere 4 years from I first started this article about the MMC until it is now done for public released 🙂 Not that it took me 4 full years to write on it, but it has … Continue reading

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Video gear & workflow: Canon 5D mk3, Rødelink, FPS1000HD and more

A walk-through and demonstration of all my video and audio equipment that I use for youtube videos.

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AC vs DC fuses, high current, explosive destructive testing and theory

Littlefuse 300A 32VDC fuse destructive test Protistor 200A 690VAC fuse (naked) destructive test: Protistor 200A 690VAC fuse (housed) destructive test: High Voltage Fuse Teardown video: https://www.youtube.com/watch?v=XoW5iqfq4tA Semiconductor Fuse Applications Guide: https://ep-us.mersen.com/fileadmin/catalog/Literature/Brochures/BR-Semiconductor-Fuse-Applications-Guide-Brochure.pdf

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Huawei RRU3928 1800MHz radio base station circuit analysis (part 2 of 2)

The RRU3928 is an outdoor remote radio unit. It processes baseband and RF signal data. With the Software Defined Radio (SDR)technology, the RRU3928 supports the dual-mode operation of any two modes of GSM, UMTS, and LTE through software configuration modification. … Continue reading

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Merry Christmas & Happy New Year 2018 (X-ray teardown edition)

Pictures as promised: https://highvoltageforum.net/index.php?topic=523.0 Teaser for the upcoming teardown videos of the Siemens Polyphos 30 x-ray machine, complete with control panel, inverter, collimator, detector/grid plate and x-ray head. Never miss a post, subscribe to email notifications on kaizerpowerelectronics.dk, find it … Continue reading

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Huawei RRU3928 1800MHz radio base station teardown (part 1 of 2)

The RRU3928 is an outdoor remote radio unit. It processes baseband and RF signal data. With the Software Defined Radio (SDR)technology, the RRU3928 supports the dual-mode operation of any two modes of GSM, UMTS, and LTE through software configuration modification. … Continue reading

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Nokia Siemens Flexi BTS base station teardown: Circuit analysis (part 2 of 2)

Circuit analysis 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. If you missed part 1, see … Continue reading

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Youtube subscription change, please check!

Since youtube changed their notification setup a long while ago, you might be missing out on notifications about my new videos. Be sure to check if you have the “bell” clicked next to the subscription! Thank you 🙂 Check here: https://www.youtube.com/channel/UCSukTlgTEWiL-sl0UeYeJvQ

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Moving to a new lab (part 5 and 6) tour and finally its operational

Here you get a short glimpse of the new space for the laboratory and the final setup. This is part 5 and 6 in a series of videos on moving out, moving in and setting up the new lab / … Continue reading

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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 … Continue reading

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