The 60N60 IGBT full-bridge exploded during a small test of playing MIDI on the DRSSTC. I upgraded it to a SKM200GB123 bricks. DRSSTC IGBT explosions are no joke, 12 days before a show. Can you guess the song that was played? DRSSTC IGBT explosion is properly a bit much to say. It was a silent […]
Tesla coil DRSSTC IGBT explosion. 12 days before a show, panic! Read More »
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 been a on/off gathering of information and then finally making a write-up on it. I
DRSSTC Design Guide Updated With MMC Design Guide Read More »
A walk-through and demonstration of all my video gear and audio equipment that I use for YouTube videos. First, I use a Canon 5D mk III DSLR for high resolution photo and FHD video recording. Secondly, I use a Sony Xperia ZX Premium smartphone for recording close-up video and time lapses. Thirdly, I use a
Video gear & workflow: Canon 5D mk3, RødeLink, FPS1000HD and more Read More »
This is a introduction to the differences between AC and DC fuses. I also use a high voltage / current discharge capacitor for a destructive test of the two difference fuses. You should also check out how ingenious high voltage fuses are made in this article Teardown of a medium voltage fuse (7200 V /
AC vs DC fuses, High Current, Explosive Destructive Testing and Theory Read More »
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. RRU3928 has a dual-transmitter and dual-receiver structure, which supports higher output power and carrier capacity.
Huawei RRU3928 1800MHz Radio Base Station Circuit Analysis (part 2 of 2) Read More »
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 in the menu right side: http://kaizerpowerelectronics.dk/
Merry Christmas & Happy New Year 2018 (X-ray teardown edition) Read More »
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. RRU3928 has a dual-transmitter and dual-receiver structure, which supports higher output power and carrier capacity.
Huawei RRU3928 1800MHz radio base station teardown (part 1 of 2) Read More »
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 it here: https://kaizerpowerelectronics.dk/teardown/nokia-siemens-flexi-bts-base-station-teardown-power-amplifier-part-1-of-2/ Filter Above picture shows the coaxial cavity band pass filter which in
Nokia Siemens Flexi BTS Base Station Teardown: Circuit Analysis (Part 2 of 2) Read More »