Nokia Siemens 3G Flexi 2100MHz 50W Amplifier Circuit Analysis (Part 2 of 3)

Introduction I have here a circuit analysis of a 2100 MHz cellular amplifier from a UMTS basestation setup. The initial teardown video can be found in Nokia Siemens 3G Flexi 2100MHz 50W Amplifier Teardown (Part 1 of 3). Video Cellular …

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Nokia Siemens 3G Flexi 2100MHz 50W Amplifier Teardown (part 1 of 3)

Teardown of a Nokia Siemens Networks Flexi Multiradio amplifier. This was for example used for mobile phone base station installations and this particular part is a 2×50 Watt FRGL amplifier. This have been in service as a 2 antenna system …

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Nokia Siemens Flexi 3x90W FXEB 1800MHz Base Station Teardown: Power Amplifier (Part 2 of 2)

This Nokia Siemens Networks Multiradio BTS FXEB module is a GSM 1800 MHz 90W amplifier module capable of GSM/EDGE, WCDMA/HSPA and LTE. If you missed part 1, see it here: Nokia Siemens Flexi 3x90W FXEB 1800MHz base station teardown: Power …

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Huawei RRU3928 1800MHz Radio Base Station Circuit Analysis (part 2 of 2)

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. …

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Ericsson Radio Base Station RBS6000 teardown

The RBS 6201 two radio shelves can be equipped with virtually any combination of GSM, WCDMA and LTE, which are available for all common frequencies. A single radio shelf can provide up to 3×8 GSM or 3×4 MIMO WCDMA or 3×20 MHz MIMO …

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Ericsson Radio Base Station RBS3202 teardown

The RBS 3202 macro is an indoor Radio Base Station with one to four carriers and one to  six sectors at 20/40 Watt RF output power per carrier. All the boards that I have comes from the middle row in …

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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. Used in mobile telecommunication antenna networks. A network that you use daily on your cellphone. Part 1: System station and Part 2: Power amplifier Phased Antenna …

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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 use daily on your cellphone. Part 1: System station and Part 3: Antenna The following …

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Nokia Siemens Networks Flexi WCDMA Teardown: System Station (Part 1 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 use daily on your cellphone. Part 2: Power amplifier and Part 3: Antenna In the above picture …

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