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 …

Nokia Siemens Networks Flexi WCDMA teardown: Antenna (part 3 of 3)

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 …

Nokia Siemens Networks Flexi WCDMA teardown: Power amplifier (part 2 of 3)

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 …

GSM 900 MHz power amplifier teardown

I had the opportunity to take apart a GSM 900 MHZ power amplifier and band pass filter. Here I will show you how it is …