Nokia Siemens Flexi 3x70W FXEA 1800MHz Power Amplifier Reverse Engineering (Part 3 of 3)

Da_Stier, a user from www.highvoltageforum.net has reverse engineered the power amplifier module and this is the documentation and test results.

Nokia Siemens Flexi 3x70W FXEA 1800MHz Base Station Circuit Analysis (Part 2 of 3)

Circuit analysis of a Nokia Siemens Networks Flexi Multiradio base station. This have been in service as a 3 antenna system for mobile telecommunications. GSM/EDGE, …

German Weather Balloon Teardown, Vaisala RS41-SGP Probe

During my vacation at the island of Langeland, Denmark, I found a washed up radioprobe from a German weather balloon on the beach. It is …

Dell PowerEdge M1000E Blade Server Teardown

I came by a discarded full size Dell PowerEdge M1000E server rack. Full SAN, 2 large blade servers, 4 or 6 backbone switches, all power …

Nokia Siemens Flexi 3x70W FXEA 1800MHz Base Station Teardown: Power Amplifier (Part 1 of 2)

Teardown of a Nokia Siemens Networks Flexi Multiradio base station. This have been in service as a 3 antenna system for mobile telecommunications. GSM/EDGE, WCDMA/HSPA …

3 kW Yaskawa Servo Motor Teardown – Isolation, Day 38

I scavenged a old 4 ton stone polisher machine for the best components and got off with a 3 kW AC server motor + drive, …

3-Phase IGBT Module Teardown – Fuji 7MBP50RA120 From 3 kW Omron Servo Drive – Isolation, Day 36

I scavenged a old 4 ton stone polisher machine for the best components and got off with a 3 kW AC server motor + drive, …

Omron/Yaskawa 3 kW AC Servo Drive Teardown – Isolation, Day 34

I scavenged a old 4 ton stone polisher machine for the best components and got off with a 3 kW AC server motor + drive, …

3 kW AC Servo Drive From a 4 Ton Stone Polisher – Isolation, Day 32

I scavenged a old 4 ton stone polisher machine for the best components and got off with a 3 kW AC server motor + drive, …

Future Projects, Teardowns and Power Electronics – Isolation, Day 22

A look into what the future brings of projects, teardowns and power electronics. Simple, complex, small and large, there will be it all, stay tuned!