Huawei RRU3908 Base Station Teardown (Part 1 of 2)

The Huawei RRU3908 is an outdoor Radio Base Station with one to four carriers and one to six sectors at 20/40 Watt RF output power per carrier.

Part 1 is the teardown itself with a walkthrough of different design highlights.

Part 2 is coming online in the following 1-2 weeks.

Part 2 is a complete circuit analysis and will also have high resolution pictures uploaded to this article.

For some different RF technology and techniques explained, here are some highlights from my previous videos.

Up/Downconversion explained: https://youtu.be/qO127zY3voE?t=865
SAW filters explained: https://youtu.be/qO127zY3voE?t=963
Ceramic bandpass filter explained: https://youtu.be/h9-KhfQM3nI?t=729