WCDMA

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 Basestation Overview The Nokia Siemens Networks FRGL module consists of two 50 Watt amplifier modules. […]

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nokia siemens frgl rf amplifier 2100 mhz 50 watt

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 for mobile telecommunications. It is GSM / EDGE and WCDMA / HSPA capable. Nokia Siemens

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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 amplifier (part 1 of 2) Specifications The Flexi Multiradio Radio Frequency Module (FXxx) or RF

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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. RRU3928 has a dual-transmitter and dual-receiver structure, which supports higher output power and carrier capacity.

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Huawei RRU3928 1800MHz radio base station teardown (part 1 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. RRU3928 has a dual-transmitter and dual-receiver structure, which supports higher output power and carrier capacity.

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Nokia Siemens Flexi BTS Base Station Teardown: Circuit Analysis (Part 2 of 2)

Circuit analysis of a Nokia Siemens Networks Flexi BTS base station. This have been in service as a 6 antenna GSM system for mobile telecommunications. GSM/EDGE, WCDMA/HSPA and LTE capable. 2×40 Watt output power. If you missed part 1, see it here: https://kaizerpowerelectronics.dk/teardown/nokia-siemens-flexi-bts-base-station-teardown-power-amplifier-part-1-of-2/ Filter Above picture shows the coaxial cavity band pass filter which in

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Nokia Siemens Flexi BTS base station teardown: Power amplifier (part 1 of 2)

Teardown of a Nokia Siemens Networks Flexi BTS base station. This have been in service as a 6 antenna GSM system for mobile telecommunications. Part 2 with circuit analysis of the Nokia Siemens BTS RF circuits can be found on this link. This base station amplifier is capable of GSM/EDGE, WCDMA/HSPA and LTE at 2×40

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base station power amplifier RF

Ericsson Radio Base Station RBS3206 teardown

The RBS3206 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 the above picture and unfortunately I did not have any of the diplexers at the top

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