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

Leave a Comment / Teardown / /

Nokia Siemens Networks Flexi Multiradio BTS is a GSM/EDGE, WCDMA/(I-)HSPA, and LTE base station. It is used 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 Nokia Siemens Networks Flexi WCDMA base station. The previous teardowns that are also highly […]

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

Nokia Siemens Networks Flexi WCDMA Teardown: Power Amplifier (Part 4)

1 Comment / Teardown / /

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 3: Antenna The following 25 minute video shows the teardown step by step with explanations, high

Nokia Siemens Networks Flexi WCDMA Teardown: Power Amplifier (Part 4) Read More »

Kone elevator 45 kW motor drive teardown

2 Comments / 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. With this KDM model, they do however take the same form as many other drives

Kone elevator 45 kW motor drive teardown Read More »

Kaizer DRSSTC IV – A High Impedance Primary Circuit Experiment

Leave a Comment / Tesla Coils / /

A new article has been added that describes the thoughts, design, construction and test of a very high impedance primary circuit QCW DRSSTC, where the voltage ramp is coming straight from half wave rectified mains supply and a mains synced interrupter is used to trigger at the right interval. Read it all, see all the

Kaizer DRSSTC IV – A High Impedance Primary Circuit Experiment Read More »

A new dedicated high voltage forum!

1 Comment / Electronics, High Voltage, News, Tesla Coils / /

Hello everyone! The comment sections on my website have grown long with questions, advices and solutions. So I have expanded the site with a brand new forum, on a dedicated domain. We are a group of seasoned high voltage and electronics enthusiasts that have created a new high voltage forum and community. A modern forum

A new dedicated high voltage forum! Read More »

Teardown video of HP SureStore DLT 818 tape backup station

Leave a Comment / Teardown / /

Teardown of HP SureStore DLT 818 tape backup station that has room for 6 cartridge’s and can auto load. If you like teardown videos, check out the complete list of teardowns I have done. HP SureStore DLT 818 Description The HP SureStore E DLT Autoloader 818 is a cost-effective high-performance tape storage solution. This system

Teardown video of HP SureStore DLT 818 tape backup station Read More »

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

2 Comments / Electronics, Teardown / /

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 are only rated for a finite number of operations.

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

Teardown video of Eaton PowerWare 30 kVA UPS

1 Comment / Teardown / /

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: https://kaizerpowerelectronics.dk/electronics/teardown-eaton-powerware-30-kva-ups/ 

Teardown video of Eaton PowerWare 30 kVA UPS Read More »

Scroll to Top