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

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. 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 related to this Part 1: System station, Part 2: Power Amplifier and Part 3: Antenna

All high resolution pictures of the PCB, ICs and Doherty amplifier for this video can be found in part 4: another Power amplifier

The following 9 minute video shows the teardown step by step with explanations.

Mads Barnkob

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

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